Description Features: Gas leakage monitoring device can be used in homes and factories, and is suitable for the detection of alcohol; Sensitivity adjustable the blue digital potentiometer adjustment (Figure) Before the use of the operating voltage 5V power supply at least warm-up for more than two minutes, the sensor slightly hot is normal; Output in the form analog voltage output digital switching outputs (0 and 1) With fixed bolt hole for easy installation Small board PCB size: 4.5cm * 1.8cm Module interface specification (4-wire) VCC 5V operating voltage GND to connect GND DO small board digital switch output interfaces (0 and 1) The AO small board analog output interface 电源指示= Power Supply Indicator; 开关指示 = Switch Indicator Documentation please see on this page.
