MQ-5 LPG/Natural Gas Sensor - Analog Module right and NC mean

and NC mean

Handmade with 22AWG multi-strand wire and sturdy male pins

5V to 12V supply

You can also compare it with Pololu A4988 Stepper Motor Driver Carrier - Microstep Driver

Uno R3 by Dfrduino Arduino Compatible DFRduino Uno R3 is a fully Arduino Uno compatible board for learning

MQ-5 LPG/Natural Gas Sensor - Analog Module right and NC meanDetect Gas Changes with a Practical Air Sensor The Gas Sensor MQ5 Analog LPG For Arduino is a gas sensor with analog output designed for air quality projects, leak alerts, and ventilation monitoring. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds. Key details include Interface: Analog and digital. Important: Most gas and chemical sensors work best after warm up and calibration. Readings can