Features :
- 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.
Package Includes :
1 x MQ-4 High Sensitivity Gas Methane (CNG) Detector Sensor Module







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