MQ 3 Alcohol Ethanol Sensor Module Gas Detector
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Having a signal output instruction Dual signal output (analog output, and TTL level output) TTL output valid signal is low. (Low-level signal when the output light can be directly connected to the microcontroller) 0 ~ 5V analog output voltage, the higher the concentration the higher the voltage Has a long life and reliable stability
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Amazon
Having a signal output instruction Dual signal output (analog output, and TTL level output) TTL output valid signal is low. (Low-level signal when the output light can be directly connected to the microcontroller) 0 ~ 5V analog output voltage, the higher the concentration the higher the voltage Has a long life and reliable stability
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Having a signal output instruction Dual signal output (analog output, and TTL level output) TTL output valid signal is low. (Low-level signal when the output light can be directly connected to the microcontroller) 0 ~ 5V analog output voltage, the higher the concentration the higher the voltage Has a long life and reliable stability
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