MQ-2 Module Size: 37×20×25mm
Input Voltage: DC5V
Power Dissipation: 150mA
DO Output: 0.1-5V
AO Output: 0.1-0.3V
Detectable Concentration: 300-10000ppm
characteristics:
With a signal output instruction
Dual signal output (analog output, and TTL level output)
TTL output
0~5V analog output voltage, the higher the concentration the higher the voltage
The gas, natural gas, city gas, smoke better sensitivity
Before use, please heat the board for about 20 seconds