We have Summer vacation from
03 Aug 2019 to 18 Aug 2019
In this period you can place your orders online
but they will be processed on 19 Aug 2019!
SNS-MQ3 is a sensor module that detects alcohol and benzin in the air. It has higher sensitivity to alcohol and lower sensitivity to benzine.
Heater voltage 5V, 31 ohm (40mA consumption)