bme680-sensor

bme680

Node.js module for controlling Bosch Sensortec BME680 and BME688 sensors.

Installation

npm install bme680-sensor

Wiring

bme680 pin	Raspberry Pi pin	Raspberry Pi GPIO
VIN (3,3 V)	1
GND	6
SDI	3	2
SCK	5	3

BME688 support

The changes in the Pimoroni Python library regarding the BME688 variant have been backported to this library. The variant is automatically detected by retrieving it from the I2C address and a different gas measurement calculation is used.

Available Methods

initialize

Initialize the sensor.

Setting	Default value
Temperature offset	0 °C
Gas heater temperature	320 °C
Gas heater duration	150 ms
Gas heater profile	0

Usage:

'use strict';

const { Bme680 } = require('bme680-sensor');
const bme680 = new Bme680(1, 0x76);

bme680.initialize().then(async () => {
    console.info('Sensor initialized');
    setInterval(async () => {
        console.info(await bme680.getSensorData());
    }, 3000);
});

Credits

• BoschSensortec/BME680_driver to understand the i2C communication between the sensor and the controller - Bosch Sensortec GmbH license
• pimoroni/bme680 to understand the i2C communication between the sensor and the controller - MIT
• kelly/node-i2c to communicate with i2c devices - BSD-3-Clause-Attribution