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Categories: Sensors
MQ-4 Methane Natural Gas Sensor
Rated 0 out of 5
0 ReviewsFeatures :
- Signal output indicator
- Dual Signals output (analog output and TTL output)
- The TTL output signal is low level, allows to connect with SCM directly
- Analog output 0~5V voltage
- High sensitivity
- Long working life and stable performance
- Quick response and recovery.
Categories: Sensors
Rain Sensor Module
Rated 0 out of 5
0 Reviews- Adopts high quality of RF-04 double sided material.
- Area:5cm x4cm nickel plateon side
- Anti-oxidation,anti-conductivity, with long use time
- Comparator output signal clean waveform is good, driving ability, over 15mA
- Potentiometer adjust the sensitivity
- Working voltage 5V
- Output format: Digital switching output (0 and 1) and analog voltage output AO
- With bolt holes for easy installation
- Small board PCB size: 3.2cm x 1.4cm
- Uses a wide voltage LM393 comparator
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