برد کامل سنسورهای گاز MQ

Specification:

Product dimensions: 32 x 20 x 22 (L x W x H)
Chip: LM393
Working voltage: DC 5V

Electrical properties:

Input voltage: DC5V
Power consumption (current): 150mA
DO output: TTL digital 0 and 1 (0.1 and 5V)
AO output: 0.1 – 0.3V (relative to pollution), the maximum concentration of a voltage of about 4V

Wiring:

1, VCC: positive power supply (5V)
2, GND: Gound
3, DO: TTL switching signal output
4, AO: analog signal output