MQ-7 Carbon monoxide Gas Sensor
Gas sensor MQ7 detects the presence of Carbon Monoxide (CO) in the air. The best results are given when alcohol is in liquid form, however, it still does an amazing job when measuring in gas form. It needs a bit of time to warm up in order to work correctly.
• Detects: Carbon Monoxide (CO)
• Dimensions: 32mm x 22mm x 27mm
• Voltage: 5V
• Digital(HIGH/LOW) and analog(0V-5V) output
• With LM393 comparator
• Comes with soldered 4-pin male header