+ 5 =
₱2,800.00 ₱2,520.00
mg-811-co2-carbon-dioxide-sensor-module
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MQ-4 gas sensor has high sensivity to Methane, also to Propane and Butane. The sensor could be used to detect different combustible gas.
Sense the presence of an object by using the reflective IR beam from the object
The Vibration module based on the vibration sensor SW-420 and Comparator LM393 to detect if there is any vibration that beyond the threshold. The threshold can be adjusted by the on-board potentiometer.
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