Gas leak detector
I want to build a gas leak detector on an Arduino Uno with an MQ-2 gas sensor, a buzzer and a red LED that warns when the gas level rises.
Parts
Arduino Uno R3 CH340G ATmega328P Board In stock
MQ-2 Gas Sensor Module In stock
Active Buzzer Module 3-5V 85dB In stock
5mm LED Assorted Pack (Red, Green, Blue, Yellow, White) In stock
Male-to-Male Breadboard Jumper Wires (20 cm, 24 AWG) In stock
USB Type A to B Cable (1m) In stock
120 Resistors 1/4W Carbon Film Assortment Kit In stock
Pins, wiring and code
The pin table, the wiring steps and the code for this build are in Soldr. Start this build on Soldr - you can change it before you buy.