MQ-2/3/4/5/6/7 Universal Base Modules Socket

Product Description

MQ-2/3/4/5/6/7 Universal Base Modules Socket

1, using high-quality dual-panel design, with power indicator and TTL signal output instructions;
2, with a DO switch signal (TTL) output and analog output AO;
3, TTL output high and low. (Can be directly connected microcontroller or relay module)
4, analog output voltage change with concentration.
5, liquefied petroleum gas, natural gas, city gas, smoke have better sensitivity.
6, there is a screw hole for easy positioning;
7, with a long life and reliable stability
8, fast response and resume
Electrical performance:
Input voltage: DC5V Power (current): 150mA
DO output: TTL digital 0 and 1 (0.1 and 5V)
Output AO: analog level signal
Special note: When the sensor is powered, needs to warm up about 20S, measured data becomes stable, heat sensor is a normal phenomenon, because the inside with an electric wire, if not normal hot.
Wiring:
1, VCC: positive power supply (5V)
2, GND: negative one
3, DO: TTL switching signal output
4, AO: Analog output
5, a fixed bolt hole for easy installation

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