Adopt high-quality double-panel
design, with power indicator and TTL signal output indicator. With DO switch
signal (TTL) output and AO analog signal output TTL output high and low level.
(Can be directly connected to the microcontroller or relay module). The analog
output voltage changes with the concentration. Fast response feature. Has long
service life and stability.
Electrical performance:
Input voltage: DC5V
Power consumption (current): 150mA
DO output: TTL digital quantities 0 and 1 (0.1 and 5V)
AO output: analog level signal
Reminder:
After the sensor is powered on, it
needs to be preheated for about 20S, and the measured data is stable. It is
normal for the sensor to heat up, because there is a heating wire inside, if it
is hot, it will not be normal.
Wiring:
1. VCC: connect to the pole of the
power supply (5V)
2. GND: connect to the negative pole
of the power supply
3. DO: TTL switch signal output
4. AO: analog signal
outputColour:greenMaterial:Metal
Package Contents:
1 x MQ136 Hydrogen Sulfide Sensor
Module
Note: Light and different displays
may cause the color of the item in the a little different from the real thing.
The measurement allowed error is +/- 1-3cm.
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