Five Channel Infrared Detection Tracing Photoelectric Sensor Tracking ModuleBFD-1000 specifically designed as black(white) Seek line, especially for complex black and white lines, ..
Ex Tax: $14.05
Adopt LM393 main chip
Electric condenser microphone
Features Single channel signal output
Low level output signal used for sound control light
Great module for sound al..
Ex Tax: $1.85
With signal output instructions
TTL output signal is low level
Analog 0 ~ 5 v voltage output, the higher the concentration, the higher the voltage
Ex Tax: $4.65
This is a summary of the soil moisture sensor can be used to detect moisture, when the soil is dry, the module outputs a high level, whereas output low. Using this sensor make an a..
Ex Tax: $2.75
MQ-3 Alcohol Ethanol Sensor Breath Gas Detector Ethanol Detection For Arduino
1. High quality double panel design, with power indicator and T..
Ex Tax: $5.60
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