Difference between revisions of "Sensors: BME680"

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  2018-07-05 13:27:43 T: 25.13 degC, P: 942.12 hPa, H: 74.29 %rH, G: 9043 Ohms
 
  2018-07-05 13:27:43 T: 25.13 degC, P: 942.12 hPa, H: 74.29 %rH, G: 9043 Ohms
 
  2018-07-05 13:27:46 T: 25.11 degC, P: 942.10 hPa, H: 74.38 %rH, G: 9976 Ohms
 
  2018-07-05 13:27:46 T: 25.11 degC, P: 942.10 hPa, H: 74.38 %rH, G: 9976 Ohms
 +
**** Measurement finished ****
 +
 +
Oops!  Looks like we have a problem with the temperature readings going to zero.  Notice that the pressure reading shifts about 60 hPa and rH shifts about 4% when the temperature goes to zero.  Maybe try the SPI interface?
 +
 +
 +
**** BME680 start measurements  ****
 +
2018-07-05 14:28:38 T: 23.37 degC, P: 942.85 hPa, H: 84.02 %rH, G: 186746 Ohms
 +
2018-07-05 14:28:41 T: 23.37 degC, P: 942.87 hPa, H: 84.05 %rH, G: 211715 Ohms
 +
2018-07-05 14:28:44 T: 23.37 degC, P: 942.85 hPa, H: 84.06 %rH, G: 223194 Ohms
 +
**** Measurement finished ****
 +
**** BME680 start measurements  ****
 +
2018-07-05 14:28:53 T: 0.00 degC, P: 905.57 hPa, H: 80.40 %rH, G: 186007 Ohms
 +
2018-07-05 14:28:56 T: 0.00 degC, P: 905.57 hPa, H: 80.41 %rH, G: 212125 Ohms
 +
2018-07-05 14:28:59 T: 0.00 degC, P: 905.57 hPa, H: 80.41 %rH, G: 223043 Ohms
 +
**** Measurement finished ****
 +
**** BME680 start measurements  ****
 +
2018-07-05 14:29:08 T: 0.00 degC, P: 905.59 hPa, H: 80.46 %rH, G: 185797 Ohms
 +
2018-07-05 14:29:11 T: 0.00 degC, P: 905.61 hPa, H: 80.45 %rH, G: 212261 Ohms
 +
2018-07-05 14:29:14 T: 0.00 degC, P: 905.61 hPa, H: 80.43 %rH, G: 223497 Ohms
 +
**** Measurement finished ****
 +
**** BME680 start measurements  ****
 +
2018-07-05 14:29:23 T: 23.35 degC, P: 942.87 hPa, H: 84.19 %rH, G: 186640 Ohms
 +
2018-07-05 14:29:26 T: 23.35 degC, P: 942.87 hPa, H: 84.20 %rH, G: 213361 Ohms
 +
2018-07-05 14:29:29 T: 23.35 degC, P: 942.87 hPa, H: 84.18 %rH, G: 223497 Ohms
 +
**** Measurement finished ****
 +
**** BME680 start measurements  ****
 +
2018-07-05 14:29:39 T: 23.35 degC, P: 942.87 hPa, H: 84.23 %rH, G: 186428 Ohms
 +
2018-07-05 14:29:42 T: 23.36 degC, P: 942.87 hPa, H: 84.19 %rH, G: 213361 Ohms
 +
2018-07-05 14:29:45 T: 23.36 degC, P: 942.89 hPa, H: 84.03 %rH, G: 223043 Ohms
 +
**** Measurement finished ****
 +
**** BME680 start measurements  ****
 +
2018-07-05 14:29:54 T: 0.00 degC, P: 905.55 hPa, H: 80.39 %rH, G: 186640 Ohms
 +
2018-07-05 14:29:57 T: 0.00 degC, P: 905.55 hPa, H: 80.46 %rH, G: 211715 Ohms
 +
2018-07-05 14:30:00 T: 0.00 degC, P: 905.53 hPa, H: 80.49 %rH, G: 224105 Ohms
 
  **** Measurement finished ****
 
  **** Measurement finished ****

Revision as of 04:48, 5 July 2018

BME680

Download the drivers

git clone https://github.com/BoschSensortec/BME680_driver.git
git clone https://github.com/twartzek/bme680-raspberry.git


Compile

gcc bme680_main.c bme680.c -o bme680

Wiring Adafruit

Note that this pin out is only for the Hive Interface boards ver 1.0. The wiring will be slightly different for the ver 0.3 boards and earlier.

H2 I2C Bus ver 1.0 Adafruit break out board
Pin Signal BME680
1 +3.3 VIN
2 I2C SDI
3 I2C SCK
4 NC
5 Ground GND


Test

./bme680
**** BME680 start measurements  ****
2018-07-05 13:27:40 T: 25.14 degC, P: 942.12 hPa, H: 74.29 %rH, G: 8029 Ohms
2018-07-05 13:27:43 T: 25.13 degC, P: 942.12 hPa, H: 74.29 %rH, G: 9043 Ohms
2018-07-05 13:27:46 T: 25.11 degC, P: 942.10 hPa, H: 74.38 %rH, G: 9976 Ohms
**** Measurement finished ****

Oops! Looks like we have a problem with the temperature readings going to zero. Notice that the pressure reading shifts about 60 hPa and rH shifts about 4% when the temperature goes to zero. Maybe try the SPI interface? 


**** BME680 start measurements  ****
2018-07-05 14:28:38 T: 23.37 degC, P: 942.85 hPa, H: 84.02 %rH, G: 186746 Ohms
2018-07-05 14:28:41 T: 23.37 degC, P: 942.87 hPa, H: 84.05 %rH, G: 211715 Ohms
2018-07-05 14:28:44 T: 23.37 degC, P: 942.85 hPa, H: 84.06 %rH, G: 223194 Ohms
**** Measurement finished ****
**** BME680 start measurements  ****
2018-07-05 14:28:53 T: 0.00 degC, P: 905.57 hPa, H: 80.40 %rH, G: 186007 Ohms
2018-07-05 14:28:56 T: 0.00 degC, P: 905.57 hPa, H: 80.41 %rH, G: 212125 Ohms
2018-07-05 14:28:59 T: 0.00 degC, P: 905.57 hPa, H: 80.41 %rH, G: 223043 Ohms
**** Measurement finished ****
**** BME680 start measurements  ****
2018-07-05 14:29:08 T: 0.00 degC, P: 905.59 hPa, H: 80.46 %rH, G: 185797 Ohms
2018-07-05 14:29:11 T: 0.00 degC, P: 905.61 hPa, H: 80.45 %rH, G: 212261 Ohms
2018-07-05 14:29:14 T: 0.00 degC, P: 905.61 hPa, H: 80.43 %rH, G: 223497 Ohms
**** Measurement finished ****
**** BME680 start measurements  ****
2018-07-05 14:29:23 T: 23.35 degC, P: 942.87 hPa, H: 84.19 %rH, G: 186640 Ohms
2018-07-05 14:29:26 T: 23.35 degC, P: 942.87 hPa, H: 84.20 %rH, G: 213361 Ohms
2018-07-05 14:29:29 T: 23.35 degC, P: 942.87 hPa, H: 84.18 %rH, G: 223497 Ohms
**** Measurement finished ****
**** BME680 start measurements  ****
2018-07-05 14:29:39 T: 23.35 degC, P: 942.87 hPa, H: 84.23 %rH, G: 186428 Ohms
2018-07-05 14:29:42 T: 23.36 degC, P: 942.87 hPa, H: 84.19 %rH, G: 213361 Ohms
2018-07-05 14:29:45 T: 23.36 degC, P: 942.89 hPa, H: 84.03 %rH, G: 223043 Ohms
**** Measurement finished ****
**** BME680 start measurements  ****
2018-07-05 14:29:54 T: 0.00 degC, P: 905.55 hPa, H: 80.39 %rH, G: 186640 Ohms
2018-07-05 14:29:57 T: 0.00 degC, P: 905.55 hPa, H: 80.46 %rH, G: 211715 Ohms
2018-07-05 14:30:00 T: 0.00 degC, P: 905.53 hPa, H: 80.49 %rH, G: 224105 Ohms
**** Measurement finished ****
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