Sensors

Compatible sensors

Module	Purpose
DHT11	Temperature, Humidity
DHT22	Temperature, Humidity
HCSR501	PIR
BH1750	Digital light
BME280	Temperature, Humidity, Pressure
BMP280	Temperature, Pressure
C-37, YL-83, HM-RD	Leak, Water
HTU21	Temperature, Humidity
GPIO Input	Inputs
GPIO KeyCode	Keycode
INA226	Current, Voltage
MQ2	Gas (flammable)
TEMT6000	Luminosity
TSL2561	Luminosity

Pinout

Module	Arduino Pin	ESP8266 Pin	ESP32 Pin
Analog reading	A0	A0	A0
BH1750 SDA	A4	D2	21
BH1750 SCL	A5	D1	22
BME280/BMP280 SDA	A4	D2	21
BME280/BMP280 SCL	A5	D1	22
C-37, YL-83, HM-RD	A0 + D14	A0 + D14	A7 + D14
DHT11/22	D8	D1	16
HC-SR501/HC-SR505	7	D5	5
HTU21 SDA	A4	D2	21
HTU21 SCL	A5	D1	22
INA226 SDA	A4	D2	21
INA226 SCL	A5	D1	22
MQ02	A0 + D4	A0 + D4	A0 + D4
TEMT6000	A0	A0	A0
TSL2561 SDA	A4	D2	21
TSL2561 SCL	A5	D1	22

Vcc pin of the board and the Module to a 3.3V or 5V supply source depending on sensor voltage requirement. Ground pins of the board and the Module to the ground of the supply source.