ماژول راه انداز سنسور گاز FC-22

FC-22 Harmful Gas Detector Sensor Module for Arduino (Works with Official Arduino Boards)
Specification
Chip: LM393
Working voltage: DC 5V
Electrical
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