diff --git a/lib/BME280/BME280.cpp b/lib/BME280/BME280.cpp
new file mode 100644
index 0000000..501abff
--- /dev/null
+++ b/lib/BME280/BME280.cpp
@@ -0,0 +1,230 @@
+/*
+BME280.cpp
+This code records data from the BME280 sensor and provides an API.
+This file is part of the Arduino BME280 library.
+Copyright (C) 2016  Tyler Glenn
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Written: Dec 30 2015.
+Last Updated: Jan 1 2016. - Happy New year!
+
+This header must be included in any derived code or copies of the code.
+
+Based on the data sheet provided by Bosch for the Bme280 environmental sensor,
+calibration code based on algorithms providedBosch, some unit conversations courtesy
+of www.endmemo.com, altitude equation courtesy of NOAA, and dew point equation
+courtesy of Brian McNoldy at http://andrew.rsmas.miami.edu.
+ */
+
+
+/* ==== Includes ==== */
+#include <Wire.h>
+#include "BME280.h"
+/* ====  END Includes ==== */
+
+/* ==== Methods ==== */
+
+float BME280::CalculateTemperature(int32_t raw, int32_t& t_fine, bool celsius)
+{
+  // Code based on calibration algorthim provided by Bosch.
+  int32_t var1, var2, final;
+  uint16_t dig_T1 = (dig[1] << 8) | dig[0];
+  int16_t  dig_T2 = (dig[3] << 8) | dig[2];
+  int16_t  dig_T3 = (dig[5] << 8) | dig[4];
+  var1 = ((((raw >> 3) - ((int32_t)dig_T1 << 1))) * ((int32_t)dig_T2)) >> 11;
+  var2 = (((((raw >> 4) - ((int32_t)dig_T1)) * ((raw >> 4) - ((int32_t)dig_T1))) >> 12) * ((int32_t)dig_T3)) >> 14;
+  t_fine = var1 + var2;
+  final = (t_fine * 5 + 128) >> 8;
+  return celsius ? final/100.0 : final/100.0*9.0/5.0 + 32.0;
+}
+
+float BME280::CalculateHumidity(int32_t raw, int32_t t_fine){
+  // Code based on calibration algorthim provided by Bosch.
+  int32_t var1;
+  int8_t  dig_H1 =  dig[24];
+  int16_t dig_H2 = (dig[26] << 8) | dig[25];
+  int8_t  dig_H3 =  dig[27];
+  int16_t dig_H4 = (dig[28] << 4) | (0x0F & dig[29]);
+  int16_t dig_H5 = (dig[30] << 4) | ((dig[29] >> 4) & 0x0F);
+  int8_t  dig_H6 =  dig[31];
+
+  var1 = (t_fine - ((int32_t)76800));
+  var1 = (((((raw << 14) - (((int32_t)dig_H4) << 20) - (((int32_t)dig_H5) * var1)) +
+  ((int32_t)16384)) >> 15) * (((((((var1 * ((int32_t)dig_H6)) >> 10) * (((var1 *
+  ((int32_t)dig_H3)) >> 11) + ((int32_t)32768))) >> 10) + ((int32_t)2097152)) *
+  ((int32_t)dig_H2) + 8192) >> 14));
+  var1 = (var1 - (((((var1 >> 15) * (var1 >> 15)) >> 7) * ((int32_t)dig_H1)) >> 4));
+  var1 = (var1 < 0 ? 0 : var1);
+  var1 = (var1 > 419430400 ? 419430400 : var1);
+  return ((uint32_t)(var1 >> 12))/1024.0;
+}
+
+float BME280::CalculatePressure(int32_t raw, int32_t t_fine, uint8_t unit){
+  // Code based on calibration algorthim provided by Bosch.
+  int64_t var1, var2, pressure;
+  float final;
+
+  uint16_t dig_P1 = (dig[7]  << 8) | dig[6];
+  int16_t  dig_P2 = (dig[9]  << 8) | dig[8];
+  int16_t  dig_P3 = (dig[11] << 8) | dig[10];
+  int16_t  dig_P4 = (dig[13] << 8) | dig[12];
+  int16_t  dig_P5 = (dig[15] << 8) | dig[14];
+  int16_t  dig_P6 = (dig[17] << 8) | dig[16];
+  int16_t  dig_P7 = (dig[19] << 8) | dig[18];
+  int16_t  dig_P8 = (dig[21] << 8) | dig[20];
+  int16_t  dig_P9 = (dig[23] << 8) | dig[22];
+
+  var1 = (int64_t)t_fine - 128000;
+  var2 = var1 * var1 * (int64_t)dig_P6;
+  var2 = var2 + ((var1 * (int64_t)dig_P5) << 17);
+  var2 = var2 + (((int64_t)dig_P4) << 35);
+  var1 = ((var1 * var1 * (int64_t)dig_P3) >> 8) + ((var1 * (int64_t)dig_P2) << 12);
+  var1 = (((((int64_t)1) << 47) + var1)) * ((int64_t)dig_P1) >> 33;
+  if (var1 == 0) { return NAN; }                                      // Don't divide by zero.
+  pressure  = 1048576 - raw;
+  pressure = (((pressure << 31) - var2) * 3125)/var1;
+  var1 = (((int64_t)dig_P9) * (pressure >> 13) * (pressure >> 13)) >> 25;
+  var2 = (((int64_t)dig_P8) * pressure) >> 19;
+  pressure = ((pressure + var1 + var2) >> 8) + (((int64_t)dig_P7) << 4);
+
+  final = ((uint32_t)pressure)/256.0;
+
+  // Conversion units courtesy of www.endmemo.com.
+  switch(unit){
+    case 0x1: /* hPa */
+      final /= 100.0;
+      break;
+    case 0x2: /* inHg */
+      final /= 3386.3752577878;       /* final pa * 1inHg/3386.3752577878Pa */
+      break;
+    case 0x3: /* atm */
+      final /= 101324.99766353; /* final pa * 1 atm/101324.99766353Pa */
+      break;
+    case 0x4: /* bar */
+      final /= 100*1000;          /* final pa * 1 bar/100kPa */
+      break;
+    case 0x5: /* torr */
+      final /= 133.32236534674;        /* final pa * 1 torr/133.32236534674Pa */
+      break;
+    case 0x6: /* N/m^2 */
+      break;                      /* 1Pa / N/m^2 */
+    case 0x7: /* psi */
+      final /= 6894.744825494;  /* final pa * 1psi/6894.744825494Pa */
+      break;
+    default: /* Pa (case: 0) */
+      break;
+  }
+  return final;
+}
+
+BME280::BME280(uint8_t tosr, uint8_t hosr, uint8_t posr, uint8_t mode, uint8_t st, uint8_t filter,
+  bool spiEnable):
+    tempOversamplingRate(tosr), humidityOversamplingRate(hosr),
+    pressureOversamplingRate(posr), mode(mode), standbyTime(st), filter(filter),
+    spiEnable(spiEnable)
+{
+  // ctrl_hum register. (ctrl_hum[2:0] = Humidity oversampling rate.)
+  controlHumidity = humidityOversamplingRate;
+  // ctrl_meas register. (ctrl_meas[7:5] = temperature oversampling rate, ctrl_meas[4:2] = pressure oversampling rate, ctrl_meas[1:0] = mode.)
+  controlMeasure = (tempOversamplingRate << 5) | (pressureOversamplingRate << 2) | mode;
+  // config register. (config[7:5] = standby time, config[4:2] = filter, ctrl_meas[0] = spi enable.)
+  config = (standbyTime << 5) | (filter << 2) | spiEnable;
+}
+
+void BME280::setMode(uint8_t mode){
+  controlMeasure = controlMeasure | mode;
+  WriteRegister(CTRL_MEAS_ADDR, controlMeasure);
+}
+
+float BME280::temp(bool celsius){
+  int32_t data[8];
+  int32_t t_fine;
+  if(!ReadData(data)){ return NAN; }
+  uint32_t rawTemp  = (data[3] << 12) | (data[4] << 4) | (data[5] >> 4);
+  return CalculateTemperature(rawTemp, t_fine, celsius);
+}
+
+float BME280::press(uint8_t unit){
+  int32_t data[8];
+  int32_t t_fine;
+  if(!ReadData(data)){ return NAN; }
+  uint32_t rawTemp     = (data[3] << 12) | (data[4] << 4) | (data[5] >> 4);
+  uint32_t rawPressure = (data[0] << 12) | (data[1] << 4) | (data[2] >> 4);
+  CalculateTemperature(rawTemp, t_fine);
+  return CalculatePressure(rawPressure, t_fine, unit);
+}
+
+float BME280::hum(){
+  int32_t data[8];
+  int32_t t_fine;
+  if(!ReadData(data)){ return NAN; }
+  uint32_t rawTemp = (data[3] << 12) | (data[4] << 4) | (data[5] >> 4);
+  uint32_t rawHumidity = (data[6] << 8) | data[7];
+  CalculateTemperature(rawTemp, t_fine);
+  return CalculateHumidity(rawHumidity, t_fine);
+}
+
+void BME280::read(float& pressure, float& temp, float& humidity, bool metric, uint8_t p_unit){
+  int32_t data[8];
+  int32_t t_fine;
+  if(!ReadData(data)){
+    pressure = temp = humidity = NAN;
+    return;
+  }
+  uint32_t rawPressure = (data[0] << 12) | (data[1] << 4) | (data[2] >> 4);
+  uint32_t rawTemp = (data[3] << 12) | (data[4] << 4) | (data[5] >> 4);
+  uint32_t rawHumidity = (data[6] << 8) | data[7];
+  temp = CalculateTemperature(rawTemp, t_fine, metric);
+  pressure = CalculatePressure(rawPressure, t_fine, p_unit);
+  humidity = CalculateHumidity(rawHumidity, t_fine);
+}
+
+float BME280::alt(bool metric, float seaLevelPressure){
+  float temp, hum, pres;
+  read(pres, temp, hum, metric);
+  return alt(pres, metric, seaLevelPressure);
+}
+
+float BME280::alt(float pressure, bool metric, float seaLevelPressure){
+  // Equations courtesy of NOAA;
+  float altitude = NAN;
+  if (!isnan(pressure) && !isnan(seaLevelPressure)){
+    altitude = 1000.0 * ( seaLevelPressure - pressure ) / 3386.3752577878;
+  }
+  return metric ? altitude * 0.3048 : altitude;
+}
+
+float BME280::dew(bool metric){
+  float temp, hum, pres;
+  read(pres, temp, hum, metric);
+  return dew(temp, hum, metric);
+}
+
+float BME280::dew(float temp, float hum, bool metric){
+  // Equations courtesy of Brian McNoldy from http://andrew.rsmas.miami.edu;
+  float dewPoint = NAN;
+  if (metric && !isnan(temp) && !isnan(hum)){
+    dewPoint = 243.04 * (log(hum/100.0) + ((17.625 * temp)/(243.04 + temp)))
+    /(17.625 - log(hum/100.0) - ((17.625 * temp)/(243.04 + temp)));
+  }else if (!isnan(temp) && !isnan(hum)){
+    float ctemp = (temp - 32.0) * 5.0/9.0;
+    dewPoint = 243.04 * (log(hum/100.0) + ((17.625 * ctemp)/(243.04 + ctemp)))
+    /(17.625 - log(hum/100.0) - ((17.625 * ctemp)/(243.04 + ctemp)));
+    dewPoint = dewPoint * 9.0/5.0 + 32.0;
+  }
+  return dewPoint;
+}
+
+/* ==== END Methods ==== */
diff --git a/lib/BME280/BME280.h b/lib/BME280/BME280.h
new file mode 100644
index 0000000..a1ccff2
--- /dev/null
+++ b/lib/BME280/BME280.h
@@ -0,0 +1,116 @@
+/*
+BME280.h
+This code records data from the BME280 sensor and provides an API.
+This file is part of the Arduino BME280 library.
+Copyright (C) 2016  Tyler Glenn
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Written: Dec 30 2015.
+Last Updated: Jan 1 2016. - Happy New year!
+This code is licensed under the GNU LGPL and is open for ditrbution
+and copying in accordance with the license.
+This header must be included in any derived code or copies of the code.
+
+Based on the data sheet provided by Bosch for the Bme280 environmental sensor.
+ */
+#ifndef TG_BME_280_H
+#define TG_BME_280_H
+
+/* ==== Includes ==== */
+#include "Arduino.h"
+/* ==== END Includes ==== */
+
+/* ==== Defines ==== */
+#define CTRL_HUM_ADDR  0xF2
+#define CTRL_MEAS_ADDR 0xF4
+#define CONFIG_ADDR    0xF5
+#define PRESS_ADDR     0xF7
+#define TEMP_ADDR      0xFA
+#define HUM_ADDR       0xFD
+#define TEMP_DIG_ADDR  0x88
+#define PRESS_DIG_ADDR 0x8E
+#define HUM_DIG_ADDR1  0xA1
+#define HUM_DIG_ADDR2  0xE1
+/* ==== END Defines ==== */
+
+
+class BME280{
+protected:
+  uint8_t tempOversamplingRate, humidityOversamplingRate, pressureOversamplingRate; // B000 = Skipped, B001 = x1, B010 = x2, B011 = x4, B100 = x8, B101/other = x16
+  uint8_t mode;                               // Sleep = B00, Normal = B01 and B10, Forced = B11
+  uint8_t standbyTime;                        // B000 = 0.5ms, B001 = 62.5ms, B010 = 125ms, B011 = 250ms, B100 = 250ms, B101 = 1000ms, B110 = 10ms, B111 = 20ms
+  uint8_t filter;                             // B000 = off, B001 = 2, B010 = 4, B011 = 8, B100/other = 16
+  uint8_t controlHumidity;                    // ctrl_hum register. (ctrl_hum[2:0] = Humidity oversampling rate.)
+  uint8_t controlMeasure;                     // ctrl_meas register. (ctrl_meas[7:5] = temperature oversampling rate, ctrl_meas[4:2] = pressure oversampling rate, ctrl_meas[1:0] = mode.)
+  uint8_t config;                             // config register. (config[7:5] = standby time, config[4:2] = filter, ctrl_meas[0] = spi enable.)
+  uint8_t dig[32];
+  bool spiEnable;
+
+
+  /* ==== Write values to BME280 registers. ==== */
+  virtual void WriteRegister(uint8_t addr, uint8_t data)=0;
+
+  /* ==== Read the the trim data from the BME280, return true if successful. ==== */
+  virtual bool ReadTrim()=0;
+
+  /* ==== Read the raw data from the BME280 into an array and return true if successful. ==== */
+  virtual bool ReadData(int32_t data[8])=0;
+
+  /* ==== Calculate the temperature from the BME280 raw data and BME280 trim, return a float. ==== */
+  float CalculateTemperature(int32_t raw, int32_t& t_fine, bool celsius = true);
+
+  /* ==== Calculate the humidity from the BME280 raw data and BME280 trim, return a float. ==== */
+  float CalculateHumidity(int32_t raw, int32_t t_fine);
+
+  /* ==== Calculate the pressure from the BME280 raw data and BME280 trim, return a float. ==== */
+  float CalculatePressure(int32_t raw, int32_t t_fine, uint8_t unit = 0x0);   // unit: B000/other = Pa, B001 = hPa, B010 = inHg, B011 = atm, B100 = bar, B101 = torr, B110 = N/m^2, B111 = psi
+
+public:
+  /* ==== Constructor used to create the class. All parameters have default values. ==== */
+  BME280(uint8_t tosr = 0x1, uint8_t hosr = 0x1, uint8_t posr = 0x1, uint8_t mode = 0x3,
+    uint8_t st = 0x5, uint8_t filter = 0x0, bool spiEnable = false);  // Oversampling = 1, mode = normal, standby time = 1000ms, filter = none.
+
+  /* ==== Method used at start up to initialize the class. ==== */
+  virtual bool begin()=0;
+
+  void setMode(uint8_t mode);
+
+  /* ==== Read the temperature from the BME280 and return a float. ==== */
+  float temp(bool celsius = true);
+
+  /* ==== Read the pressure from the BME280 and return a float with the specified unit.  ==== */
+  float press(uint8_t unit = 0x0);   // unit: B000 = Pa, B001 = hPa, B010 = Hg, B011 = atm, B100 = bar, B101 = torr, B110 = N/m^2, B111 = psi
+
+  /* ==== Read the humidity from the BME280 and return a percentage as a float. ==== */
+  float hum();
+
+  /* ==== Read the data from the BME280 with the specified units. ==== */
+  void  read(float& pressure, float& temp, float& humidity, bool metric = true, uint8_t p_unit = 0x0);
+
+
+  /* ==== Read the data from the BME280 with the specified units and then calculate the altitude. ==== */
+  float alt(bool metric = true, float seaLevelPressure = 101325);
+
+  /* ==== Calculate the altitude based on the pressure with the specified units. ==== */
+  float alt(float pressure, bool metric = true, float seaLevelPressure = 101325); // Pressure given in Pa.
+
+  /* ==== Read BME280 data and calculate the dew point with the specified units. ==== */
+  float dew(bool metric = true);
+
+  /* ==== Calculate the dew point based on the temperature and humidity with the specified units. ==== */
+  float dew(float temp, float hum, bool metric = true);
+
+};
+#endif // TG_BME_280_H
diff --git a/lib/BME280/BME280I2C.cpp b/lib/BME280/BME280I2C.cpp
new file mode 100644
index 0000000..004ce98
--- /dev/null
+++ b/lib/BME280/BME280I2C.cpp
@@ -0,0 +1,142 @@
+/*
+BME280I2CI2C.cpp
+This code records data from the BME280I2C sensor and provides an API.
+This file is part of the Arduino BME280I2C library.
+Copyright (C) 2016  Tyler Glenn
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Written: Dec 30 2015.
+Last Updated: Jan 1 2016. - Happy New year!
+
+This header must be included in any derived code or copies of the code.
+
+Based on the data sheet provided by Bosch for the BME280I2C environmental sensor,
+calibration code based on algorithms providedBosch, some unit conversations courtesy
+of www.endmemo.com, altitude equation courtesy of NOAA, and dew point equation
+courtesy of Brian McNoldy at http://andrew.rsmas.miami.edu.
+ */
+
+
+/* ==== Includes ==== */
+#include <Wire.h>
+#include "BME280I2C.h"
+/* ====  END Includes ==== */
+
+/* ==== Methods ==== */
+
+bool BME280I2C::Initialize() {
+  WriteRegister(CTRL_HUM_ADDR, controlHumidity);
+  WriteRegister(CTRL_MEAS_ADDR, controlMeasure);
+  WriteRegister(CONFIG_ADDR, config);
+  return ReadTrim();
+}
+
+
+void BME280I2C::WriteRegister(uint8_t addr, uint8_t data)
+{
+    Wire.beginTransmission(bme_280_addr);
+    Wire.write(addr);
+    Wire.write(data);
+    Wire.endTransmission();
+}
+
+bool BME280I2C::ReadTrim()
+{
+  uint8_t ord(0);
+
+  // Temp. Dig
+  Wire.beginTransmission(bme_280_addr);
+  Wire.write(TEMP_DIG_ADDR);
+  Wire.endTransmission();
+
+  Wire.requestFrom(bme_280_addr, (uint8_t)6);
+  while(Wire.available()){
+    dig[ord++] = Wire.read();
+  }
+
+  // Pressure Dig
+  Wire.beginTransmission(bme_280_addr);
+  Wire.write(PRESS_DIG_ADDR);
+  Wire.endTransmission();
+
+  Wire.requestFrom(bme_280_addr, (uint8_t)18);
+  while(Wire.available()){
+    dig[ord++] = Wire.read();
+  }
+
+  // Humidity Dig 1
+  Wire.beginTransmission(bme_280_addr);
+  Wire.write(HUM_DIG_ADDR1);
+  Wire.endTransmission();
+
+  Wire.requestFrom(bme_280_addr, (uint8_t)1);
+  while(Wire.available()){
+    dig[ord++] = Wire.read();
+  }
+
+  // Humidity Dig 2
+  Wire.beginTransmission(bme_280_addr);
+  Wire.write(HUM_DIG_ADDR2);
+  Wire.endTransmission();
+
+  Wire.requestFrom(bme_280_addr, (uint8_t)7);
+  while(Wire.available()){
+    dig[ord++] = Wire.read();
+  }
+  return ord == 32;
+}
+
+bool BME280I2C::ReadData(int32_t data[8]){
+  uint8_t ord = 0;
+
+  // Registers are in order. So we can start at the pressure register and read 8 bytes.
+  Wire.beginTransmission(bme_280_addr);
+  Wire.write(PRESS_ADDR);
+  Wire.endTransmission();
+
+  Wire.requestFrom(bme_280_addr, (uint8_t)8);
+  while(Wire.available()){
+      data[ord++] = Wire.read();
+  }
+  return ord == 8;
+}
+
+
+BME280I2C::BME280I2C(uint8_t tosr, uint8_t hosr, uint8_t posr, uint8_t mode, uint8_t st, uint8_t filter,
+  bool spiEnable, uint8_t bme_280_addr):
+    BME280(tosr, hosr, posr, mode, st, filter, spiEnable), bme_280_addr(bme_280_addr)
+{
+  // ctrl_hum register. (ctrl_hum[2:0] = Humidity oversampling rate.)
+  controlHumidity = humidityOversamplingRate;
+  // ctrl_meas register. (ctrl_meas[7:5] = temperature oversampling rate, ctrl_meas[4:2] = pressure oversampling rate, ctrl_meas[1:0] = mode.)
+  controlMeasure = (tempOversamplingRate << 5) | (pressureOversamplingRate << 2) | mode;
+  // config register. (config[7:5] = standby time, config[4:2] = filter, ctrl_meas[0] = spi enable.)
+  config = (standbyTime << 5) | (filter << 2) | spiEnable;
+}
+
+#if defined(ARDUINO_ARCH_ESP8266)
+bool BME280I2C::begin(int SDA, int SCL) {
+  // allow config of pins
+  Wire.begin(SDA,SCL);
+  return Initialize();
+}
+#endif
+
+bool BME280I2C::begin(){
+  Wire.begin();
+  return Initialize();
+}
+
+/* ==== END Methods ==== */
diff --git a/lib/BME280/BME280I2C.h b/lib/BME280/BME280I2C.h
new file mode 100644
index 0000000..b63305a
--- /dev/null
+++ b/lib/BME280/BME280I2C.h
@@ -0,0 +1,69 @@
+/*
+BME280I2C.h
+This code records data from the BME280 sensor and provides an API.
+This file is part of the Arduino BME280 library.
+Copyright (C) 2016  Tyler Glenn
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Written: Sep 19 2016.
+Last Updated: Sep 19 2016. - Happy Fall! <5
+This code is licensed under the GNU LGPL and is open for ditrbution
+and copying in accordance with the license.
+This header must be included in any derived code or copies of the code.
+
+Based on the data sheet provided by Bosch for the Bme280 environmental sensor.
+ */
+#ifndef TG_BME_280_I2C_H
+#define TG_BME_280_I2C_H
+
+/* ==== Includes ==== */
+#include "BME280.h"
+/* ==== END Includes ==== */
+
+/* ==== Defines ==== */
+
+/* ==== END Defines ==== */
+
+
+class BME280I2C: public BME280{
+  uint8_t bme_280_addr;
+
+  /* ==== Write configuration to BME280, return true if successful. ==== */
+  bool Initialize();
+
+  /* ==== Write values to BME280 registers. ==== */
+  virtual void WriteRegister(uint8_t addr, uint8_t data);
+
+  /* ==== Read the the trim data from the BME280, return true if successful. ==== */
+  virtual bool ReadTrim();
+
+  /* ==== Read the raw data from the BME280 into an array and return true if successful. ==== */
+  virtual bool ReadData(int32_t data[8]);
+
+public:
+  /* ==== Constructor used to create the class. All parameters have default values. ==== */
+  BME280I2C(uint8_t tosr = 0x1, uint8_t hosr = 0x1, uint8_t posr = 0x1, uint8_t mode = 0x3,
+    uint8_t st = 0x5, uint8_t filter = 0x0, bool spiEnable = false,
+    uint8_t bme_280_addr = 0x76);  // Oversampling = 1, mode = normal, standby time = 1000ms, filter = none.
+
+  /* ==== Method used at start up to initialize the class. Starts the I2C interface. ==== */
+  virtual bool begin();
+#if defined(ARDUINO_ARCH_ESP8266)
+  /* ==== On esp8266 it is possible to define I2C pins ==== */
+  bool begin(int SDA, int SCL);
+#endif
+
+};
+#endif // TG_BME_280_I2C_H
diff --git a/lib/BME280/LICENSE b/lib/BME280/LICENSE
new file mode 100644
index 0000000..733c072
--- /dev/null
+++ b/lib/BME280/LICENSE
@@ -0,0 +1,675 @@
+                    GNU GENERAL PUBLIC LICENSE
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+  To do so, attach the following notices to the program.  It is safest
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+if any, to sign a "copyright disclaimer" for the program, if necessary.
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+
diff --git a/lib/BME280/README.md b/lib/BME280/README.md
new file mode 100644
index 0000000..5e7b5f8
--- /dev/null
+++ b/lib/BME280/README.md
@@ -0,0 +1,225 @@
+
+
+
+# BME280
+Provides an Arduino library for reading and interpreting Bosch BME280 data.
+
+## Table of Contents
+
+* [BME280](#bme280)
+* [Table of Contents](#table_of_contents)
+* [Summary](#summary)
+* [Installation](#installation)
+* [Usage](#usage)
+* [Methods](#methods)
+
+ * [BME280(uint8_t tosr = 0x1, uint8_t hosr = 0x1, uint8_t posr = 0x1, uint8_t mode = 0x3, uint8_t st = 0x5, uint8_t filter = 0x0, bool spiEnable = false, uint8_t bme_280_addr = 0x76)](#methods)
+ * [bool  begin()](#methods)
+ * [void  setMode(uint8_t mode)](#methods)
+ * [float temp(bool celsius = true)](#methods)
+ * [float pres(uint8_t unit = 0x0)](#methods)
+ * [float hum()](#methods)
+ * [void  data(float& pressure, float& temp, float& humidity, bool metric = true, uint8_t p_unit = 0x0)](#methods)
+ * [float alt(bool metric = true, float seaLevelPressure = 101325)](#methods)
+ * [float alt(float pressure, bool metric = true, float seaLevelPressure = 101325)](#methods)
+ * [float dew(bool metric = true)](#methods)
+ * [float dew(float temp, float hum, bool metric = true)](#methods)
+* [Contributing](#contributing)
+* [History](#history)
+* [Credits](#credits)
+* [License](#license)
+<snippet>
+<content>
+
+## Summary
+
+Reads temperature, humidity, and pressure. Calculates altitude and dew point. Provides functions for english and metric. Also reads pressure in Pa, hPa, inHg, atm, bar, torr, N/m^2 and psi.
+
+## Installation
+
+To use this library download the zip file, uncompress it to a folder named BME280. Move the folder to {Arduino Path}/libraries.
+
+## Usage
+
+Include the library at the top of your Arduino script. `#include <BME280>`
+Create a global or local variable. `BME280 bme`
+In your start up call `bme.begin()`.
+Read the temperature, humidity, pressure, altitude and/or dew point.
+
+`float pres, temp, hum`
+`bme.data(pres, temp, hum)`
+
+or
+
+`temp = bme.temp()`
+`hum = bme.hum()`
+`pres = bme.pres()`
+
+`float altitude, dewPoint`
+`altitude = bme.alt()`
+`dewPoint = bme.dew()`
+
+Use `setMode(0x01)` to trigger a new measurement in forced mode. NOTE: It takes ~8ms to measure all values (temp, humidity & pressure) when using x1 oversampling (see datasheet 11.1). Thus a delay of >8ms should be used after triggering a measurement and before reading data to ensure that read values are the latest ones.
+
+## Methods
+
+
+#### BME280(uint8_t tosr = 0x1, uint8_t hosr = 0x1, uint8_t posr = 0x1, uint8_t mode = 0x3, uint8_t st = 0x5, uint8_t filter = 0x0, bool spiEnable = false, uint8_t bme_280_addr = 0x76)
+
+  Constructor used to create the class. All parameters have default values.
+  Return: None
+
+    * Temperature Oversampling Rate (tosr): uint8_t, default = 0x1
+      values: B000 = Skipped, B001 = x1, B010 = x2, B011 = x4, B100 = x8, B101/other = x16
+
+    * Humidity Oversampling Rate (hosr): uint8_t, default = 0x1
+      values: B000 = Skipped, B001 = x1, B010 = x2, B011 = x4, B100 = x8, B101/other = x16
+
+    * Pressure Oversampling Rate (posr): uint8_t, default = 0x1
+      values: B000 = Skipped, B001 = x1, B010 = x2, B011 = x4, B100 = x8, B101/other = x16
+
+    * Mode: uint8_t, default = Normal
+      values: Sleep = B00, Forced = B01 and B10, Normal = B11
+
+    * Standby Time (st): uint8_t, default = 1000ms
+      values: B000 = 0.5ms, B001 = 62.5ms, B010 = 125ms, B011 = 250ms, B100 = 250ms, B101 = 1000ms, B110 = 10ms, B111 = 20ms
+
+    * Filter: uint8_t, default = None
+      values: B000 = off, B001 = 2, B010 = 4, B011 = 8, B100/other = 16
+
+    * SPI Enable: bool, default = false
+      values: true = enable, false = disable
+
+    * BME280 Address: uint8_t, default = 0x76
+      values: any uint8_t
+
+
+
+
+#### bool  begin()
+
+  Method used at start up to initialize the class. Starts the I2C interface.
+  Return: bool, true = success, false = failure (no device found)
+
+#### void setMode(uint8_t mode)
+
+  Method to set the sensor mode. Sleep = B00, Forced = B01 and B10, Normal = B11. Set to B01 to trigger a new measurement when using forced mode.
+
+#### float temp(bool celsius = true)
+
+  Read the temperature from the BME280 and return a float.
+  Return: float = temperature
+
+    * Celsius: bool, default = true
+      values: true = return temperature in degrees Celsius, false = return
+      temperature in degrees Fahrenheit
+
+
+#### float pres(uint8_t unit = 0x0)
+
+  Read the pressure from the BME280 and return a float with the specified unit.
+  Return: float = pressure
+
+    * Unit: uint8_t, default = 0x0
+      values: B000 = Pa, B001 = hPa, B010 = Hg, B011 = atm, B100 = bar,
+      B101 = torr, B110 = N/m^2, B111 = psi
+
+#### float hum()
+
+  Read the humidity from the BME280 and return a percentage as a float.
+  Return: float = percent relative humidity
+
+#### void  data(float& pressure, float& temp, float& humidity, bool metric = true, uint8_t p_unit = 0x0)
+
+  Read the data from the BME280 with the specified units.
+  Return: None, however, pressure, temp and humidity are changed.
+
+    * Pressure: float, reference
+      values: reference to storage float for pressure
+
+    * Temperature: float, reference
+      values: reference to storage float for temperature
+
+    * Humidity: float, reference
+      values: reference to storage float for humidity
+
+    * Metric: bool, default = true
+      values: true = meters, false = feet
+
+    * Pressure Unit: uint8_t, default = 0x0
+        values: B000 = Pa, B001 = hPa, B010 = Hg, B011 = atm, B100 = bar,
+        B101 = torr, B110 = N/m^2, B111 = psi
+
+#### float alt(bool metric = true, float seaLevelPressure = 101325)
+
+  Read the data from the BME280 with the specified units and then calculate the altitude.
+  Return: float = altitude
+
+    * Metric: bool, default = true
+      values: true = meters, false = feet
+
+    * Sea Level Pressure: float, unit = Pa, default = 101325
+      values:  any float
+
+
+#### float alt(float pressure, bool metric = true, float seaLevelPressure = 101325)
+
+  Calculate the altitude based on the pressure with the specified units.
+  Return: float = altitude
+
+    * Pressure: float, unit = Pa
+      values: any float
+
+    * Metric: bool, default = true
+      values: true = meters, false = feet
+
+    * Sea Level Pressure: float, unit = Pa, default = 101325
+      values:  any float
+
+#### float dew(bool metric = true)
+
+  Read BME280 data and calculate the dew point with the specified units.
+  Return: float = dew point
+
+    * Metric: bool, default = true
+      values: true = return temperature in degrees Celsius, false = return
+      temperature in degrees Fahrenheit
+
+#### float dew(float temp, float hum, bool metric = true)
+
+  Calculate the dew point based on the temperature and humidity with the specified units.
+  Return: float = dew point
+
+    * Temperature: float, unit = Celsius if metric is true, Fahrenheit if metric is false
+      values: any float
+
+    * Humidity: float, unit = % relative humidity
+      values: any float
+
+    * Metric: bool, default = true
+      values: true = return degrees Celsius, false = return degrees Fahrenheit
+
+## Contributing
+
+1. Fork the project.
+2. Create your feature branch: `git checkout -b my-new-feature`
+3. Commit your changes: `git commit -am 'Add some feature'`
+4. Push to the branch: `git push origin my-new-feature`
+5. Submit a pull request.
+
+## History
+
+Jan 1, 2016 - Version 1.0.0 released.
+Sep 19, 2016 - Version 2.0.0 released (support for I2C and SPI).
+
+## Credits
+
+Written by Tyler Glenn, 2016.
+
+Special thanks to Mike Glenn for editing and reviewing the code.
+
+## License
+
+GNU GPL, see License.txt
+</content>
+</snippet>
diff --git a/lib/BME280/examples/BME280_Modes/BME280_Modes.ino b/lib/BME280/examples/BME280_Modes/BME280_Modes.ino
new file mode 100644
index 0000000..a344fcd
--- /dev/null
+++ b/lib/BME280/examples/BME280_Modes/BME280_Modes.ino
@@ -0,0 +1,123 @@
+/*
+BME280I2C Modes.ino
+This code shows how to use predefined recommended settings from Bosch for
+the BME280I2C environmental sensor.
+This file is an example file, part of the Arduino BME280I2C library.
+Copyright (C) 2016  Tyler Glenn
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Written: Dec 30 2015.
+Last Updated: Jan 1 2016.
+ */
+
+/* ==== Includes ==== */
+#include <BME280I2C.h>
+#include <Wire.h>             // Needed for legacy versions of Arduino.
+/* ====  END Includes ==== */
+
+/* ==== Defines ==== */
+#define SERIAL_BAUD 115200
+/* ==== END Defines ==== */
+
+/* ==== Global Variables ==== */
+BME280I2C bme;                     // Default : forced mode, standby time = 1000 ms
+                                // pressure ×1, temperature ×1, humidity ×1, filter off
+
+/* Based on Bosch BME280I2C environmental sensor data sheet. */
+
+//BME280I2C bme;                   // Weather Monitoring : forced mode, 1 sample/minute
+                                // pressure ×1, temperature ×1, humidity ×1, filter off
+                                // Current Consumption =  0.16 μA
+                                // RMS Noise = 3.3 Pa/30 cm, 0.07 %RH
+                                // Data Output Rate 1/60 Hz
+
+//BME280I2C bme(0, 1, 1);          // Humidity Sensing : forced mode, 1 sample/second
+                                // pressure ×0, temperature ×1, humidity ×1, filter off
+                                // Current Consumption = 2.9 μA
+                                // RMS Noise = 0.07 %RH
+                                // Data Output Rate =  1 Hz
+
+//BME280I2C bme(5, 2, 1, 1, 0, 4); // Indoor Navigation : normal mode, standby time = 0.5ms
+                                // pressure ×16, temperature ×2, humidity ×1, filter = x16
+                                // Current Consumption = 633 μA
+                                // RMS Noise = 0.2 Pa/1.7 cm
+                                // Data Output Rate = 25Hz
+                                // Filter Bandwidth = 0.53 Hz
+                                // Response Time (75%) = 0.9 s
+
+
+//BME280I2C bme(3, 1, 0, 1, 0, 4); // Gaming : normal mode, standby time = 0.5ms
+                                // pressure ×4, temperature ×1, humidity ×0, filter = x16
+                                // Current Consumption = 581 μA
+                                // RMS Noise = 0.3 Pa/2.5 cm
+                                // Data Output Rate = 83 Hz
+                                // Filter Bandwidth = 1.75 Hz
+                                // Response Time (75%) = 0.3 s
+
+bool metric = false;
+/* ==== END Global Variables ==== */
+
+/* ==== Prototypes ==== */
+/* === Print a message to stream with the temp, humidity and pressure. === */
+void printBME280Data(Stream * client);
+/* === Print a message to stream with the altitude, dew point and. === */
+void printBME280CalculatedData(Stream* client);
+/* ==== END Prototypes ==== */
+
+void setup() {
+  Serial.begin(SERIAL_BAUD);
+  while(!Serial) {} // Wait
+  while(!bme.begin()){
+    Serial.println("Could not find BME280I2C sensor!");
+    delay(1000);
+  }
+}
+
+void loop() {
+   printBME280Data(&Serial);
+   printBME280CalculatedData(&Serial);
+   delay(500);
+}
+void printBME280Data(Stream* client){
+  float temp(NAN), hum(NAN), pres(NAN);
+   uint8_t pressureUnit(3);   // unit: B000 = Pa, B001 = hPa, B010 = Hg, B011 = atm, B100 = bar, B101 = torr, B110 = N/m^2, B111 = psi
+  bme.ReadData(pres, temp, hum, pressureUnit, metric);                // Parameters: (float& pressure, float& temp, float& humidity, bool hPa = true, bool celsius = false)
+  /* Alternatives to ReadData():
+    float ReadTemperature(bool celsius = false);
+    float ReadPressure(uint8_t unit = 0);
+    float ReadHumidity();
+
+    Keep in mind the temperature is used for humidity and
+    pressure calculations. So it is more effcient to read
+    temperature, humidity and pressure all together.
+   */
+  client->print("Temp: ");
+  client->print(temp);
+  client->print("°"+ String(metric ? 'C' :'F'));
+  client->print("\t\tHumidity: ");
+  client->print(hum);
+  client->print("% RH");
+  client->print("\t\tPressure: ");
+  client->print(pres);
+  client->print(" atm");
+}
+void printBME280CalculatedData(Stream* client){
+  float altitude = bme.CalculateAltitude(metric);
+  client->print("\t\tAltitude: ");
+  client->print(altitude);
+  client->print((metric ? "m" : "ft"));
+  client->println();
+
+}
diff --git a/lib/BME280/examples/BME_280_I2C_Test/BME_280_I2C_Test.ino b/lib/BME280/examples/BME_280_I2C_Test/BME_280_I2C_Test.ino
new file mode 100644
index 0000000..5bf48b4
--- /dev/null
+++ b/lib/BME280/examples/BME_280_I2C_Test/BME_280_I2C_Test.ino
@@ -0,0 +1,111 @@
+/*
+BME280 I2C Test.ino
+This code shows how to record data from the BME280 environmental sensor
+using I2C interface. This file is an example file, part of the Arduino
+BME280 library.
+Copyright (C) 2016  Tyler Glenn
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Written: Dec 30 2015.
+Last Updated: Sep 19 2016.
+
+Connecting the BME280 Sensor:
+Sensor              ->  Board
+-----------------------------
+Vin (Voltage In)    ->  3.3V
+Gnd (Ground)        ->  Gnd
+SDA (Serial Data)   ->  A4 on Uno/Pro-Mini, 20 on Mega2560/Due, 2 Leonardo/Pro-Micro
+SCK (Serial Clock)  ->  A5 on Uno/Pro-Mini, 21 on Mega2560/Due, 3 Leonardo/Pro-Micro
+
+ */
+
+/* ==== Includes ==== */
+#include <BME280I2C.h>
+#include <Wire.h>             // Needed for legacy versions of Arduino.
+/* ====  END Includes ==== */
+
+/* ==== Defines ==== */
+#define SERIAL_BAUD 115200
+/* ==== END Defines ==== */
+
+/* ==== Global Variables ==== */
+BME280I2C bme;                   // Default : forced mode, standby time = 1000 ms
+                              // Oversampling = pressure ×1, temperature ×1, humidity ×1, filter off,
+bool metric = false;
+/* ==== END Global Variables ==== */
+
+
+/* ==== Prototypes ==== */
+/* === Print a message to stream with the temp, humidity and pressure. === */
+void printBME280Data(Stream * client);
+/* === Print a message to stream with the altitude, and dew point. === */
+void printBME280CalculatedData(Stream* client);
+/* ==== END Prototypes ==== */
+
+/* ==== Setup ==== */
+void setup() {
+  Serial.begin(SERIAL_BAUD);
+  while(!Serial) {} // Wait
+  while(!bme.begin()){
+    Serial.println("Could not find BME280 sensor!");
+    delay(1000);
+  }
+}
+/* ==== END Setup ==== */
+
+/* ==== Loop ==== */
+void loop() {
+   printBME280Data(&Serial);
+   printBME280CalculatedData(&Serial);
+   delay(500);
+}
+/* ==== End Loop ==== */
+
+/* ==== Functions ==== */
+void printBME280Data(Stream* client){
+  float temp(NAN), hum(NAN), pres(NAN);
+   uint8_t pressureUnit(3);                                           // unit: B000 = Pa, B001 = hPa, B010 = Hg, B011 = atm, B100 = bar, B101 = torr, B110 = N/m^2, B111 = psi
+   bme.read(pres, temp, hum, metric, pressureUnit);                   // Parameters: (float& pressure, float& temp, float& humidity, bool celsius = false, uint8_t pressureUnit = 0x0)
+  /* Alternatives to ReadData():
+    float temp(bool celsius = false);
+    float pres(uint8_t unit = 0);
+    float hum();
+
+    Keep in mind the temperature is used for humidity and
+    pressure calculations. So it is more effcient to read
+    temperature, humidity and pressure all together.
+   */
+  client->print("Temp: ");
+  client->print(temp);
+  client->print("°"+ String(metric ? 'C' :'F'));
+  client->print("\t\tHumidity: ");
+  client->print(hum);
+  client->print("% RH");
+  client->print("\t\tPressure: ");
+  client->print(pres);
+  client->print(" atm");
+}
+void printBME280CalculatedData(Stream* client){
+  float altitude = bme.alt(metric);
+  float dewPoint = bme.dew(metric);
+  client->print("\t\tAltitude: ");
+  client->print(altitude);
+  client->print((metric ? "m" : "ft"));
+  client->print("\t\tDew point: ");
+  client->print(dewPoint);
+  client->println("°"+ String(metric ? 'C' :'F'));
+
+}
+/* ==== END Functions ==== */
diff --git a/lib/BME280/keywords.txt b/lib/BME280/keywords.txt
new file mode 100644
index 0000000..1a49671
--- /dev/null
+++ b/lib/BME280/keywords.txt
@@ -0,0 +1,8 @@
+BME280	KEYWORD1
+begin KEYWORD2
+temp KEYWORD2
+pres  KEYWORD2
+hum KEYWORD2
+data  KEYWORD2
+alt KEYWORD2
+dew KEYWORD2
diff --git a/lib/BME280/library.properties b/lib/BME280/library.properties
new file mode 100644
index 0000000..b025f33
--- /dev/null
+++ b/lib/BME280/library.properties
@@ -0,0 +1,9 @@
+name=BME280
+version=2.0.01
+author=Tyler Glenn <protglenn@gmail.com>
+maintainer=Tyler Glenn <protglenn@gmail.com>
+sentence=Provides a library for reading and interpreting Bosch BME280 environmental sensor data over I2C.
+paragraph=Reads temperature, humidity, and pressure. Calculates altitude and dew point. Provides functions for english and metric. Also reads pressure in Pa, hPa, inHg, atm, bar, torr, N/m^2 and psi.
+category=Sensors
+url=https://www.github.com/finitespace/BME280
+architectures=*
diff --git a/mobile-sensebox.ino b/mobile-sensebox.ino
index 7ef7ff9..e0197a9 100644
--- a/mobile-sensebox.ino
+++ b/mobile-sensebox.ino
@@ -1,4 +1,5 @@
 #include "lib/TinyGPS++/TinyGPS++.h"
+#include "lib/BME280/BME280I2C.h"
 #include "config.h"
 #include "gps.h"
 #include "wifi.h"
@@ -15,6 +16,8 @@ TelnetPrint telnet = TelnetPrint();
 OsemApi api = OsemApi();
 Gps gps = Gps();
 
+BME280I2C bme(1, 1, 1, 3, 5, 0, false, 0x77);
+
 unsigned long cycleStart;
 WifiState wifiState; // global, as both measure and upload need the state
 TinyGPSLocation location;
@@ -30,7 +33,8 @@ bool storeMeasurement(float lat, float lng, float value, const char* timeStamp,
 }
 
 void measure(WifiState& wifiState, TinyGPSLocation& loc) {
-  char dateString[20];
+  char dateString[22];
+  float temperature, humid, pressure;
 
   // measure WiFi
   wifiState = wifi.scan(WIFI_SSID);
@@ -46,11 +50,16 @@ void measure(WifiState& wifiState, TinyGPSLocation& loc) {
   loc = gps.getLocation();
   gps.getISODate(dateString);
 
+  bme.read(pressure, temperature, humid, 1, true);
+
   // print state
   DEBUG_OUT << "homeAvailable:  " << wifiState.homeAvailable << EOL;
   DEBUG_OUT << "numAPs:         " << wifiState.numAccessPoints << EOL;
   DEBUG_OUT << "numNetworks:    " << wifiState.numNetworks << EOL;
   DEBUG_OUT << "numUnencrypted: " << wifiState.numUnencrypted << EOL;
+  DEBUG_OUT << "temperature: " << temperature << EOL;
+  DEBUG_OUT << "pressure: " << pressure << EOL;
+
   DEBUG_OUT.print("lat: ");
   DEBUG_OUT.print(loc.lat(), 8);
   DEBUG_OUT.print(" lng: ");
@@ -69,6 +78,12 @@ void measure(WifiState& wifiState, TinyGPSLocation& loc) {
   if (!storeMeasurement(loc.lat(), loc.lng(), wifiState.numUnencrypted, dateString, ID_SENSOR_WIFI_OPEN))
     DEBUG_OUT << "measurement (wifi open) store failed!" << EOL;
 
+  if (!storeMeasurement(loc.lat(), loc.lng(), temperature, dateString, ID_SENSOR_TEMP))
+    DEBUG_OUT << "measurement (temperature) store failed!" << EOL;
+
+  if (!storeMeasurement(loc.lat(), loc.lng(), pressure, dateString, ID_SENSOR_PRESSURE))
+    DEBUG_OUT << "measurement (pressure) store failed!" << EOL;
+
   DEBUG_OUT << EOL;
 }
 
@@ -142,7 +157,7 @@ void adaptiveDelay(unsigned long ms, TinyGPSLocation& lastLoc, unsigned long off
 
 /* MAIN ENTRY POINTS */
 void setup() {
-  pinMode(BUILTIN_LED, OUTPUT);   // status indicator LED: on = no GPS fix
+  pinMode(BUILTIN_LED, OUTPUT); // status indicator LED: on = no GPS fix
   digitalWrite(BUILTIN_LED, LOW);
   pinMode(PIN_MEASURE_MODE, INPUT_PULLUP); // switch for measurements (pull it down to disable)
   pinMode(PIN_UPLOAD_MODE, INPUT_PULLUP);  // switch for API uploads  (pull it down to disable)
@@ -152,6 +167,11 @@ void setup() {
   wifi.begin(WIFI_SSID, WIFI_PASS);
   DEBUG_OUT.begin(115200);
 
+  while(!bme.begin(D14, D15)){
+    adaptiveDelay(1000, location);
+    DEBUG_OUT.println("Could not find BME280I2C sensor!");
+  }
+
   // wait until we got a first fix from GPS, and thus an initial time
   // exception: measure mode is disabled (for quick upload only)
   if (digitalRead(PIN_MEASURE_MODE) == HIGH) {