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1 PIECE MQ-2 gas smoke sensor module, US $10.99 – Picture 0
1 PIECE MQ-2 gas smoke sensor module, US $10.99 – Picture 0

1 Piece Mq-2 Gas Smoke Sensor Module

US $10.99

  • Taiwan, Taiwan
  • Feb 25th
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1 PIECE MQ-2 gas smoke sensor module lpz000783 1TH module description  1 can be used for homes and factories of the gas leak detection device, suitable for the detection of gas, butane, propane, methane, alcohol, smoke and the like;  2 adjustable sensitivity (shown in blue digital potentiometer adjustment)  3 Operating voltage 5V before use, power preheat for at least 2 minutes or more, a little hot sensor is normal;  4 analog outputs in the form of a voltage output             b digital switching output (0 and 1)  5 has a fixed bolt holes for easy installation  6 small plates PCB size: 4.5cm * 1.8cm 2TH module interface specification (4-wire)  1 VCC 5V operating voltage  2 GND GND External  3 DO small board digital switching output interface (0 and 1)  4 AO small plates analog output interface 3TH instructions  1 MQ-2 environment sensor module LPG, butane, propane, methane, alcohol, smoke and other more sensitive.  2 modules at no influence or set the gas concentration does not exceed the threshold of gas, DO digital interface port output high voltage analog interface A0 basically about 0v, when the gas is affected more than the set threshold, the digital interface module D0 Output Low level, analog interface A0 output voltage will gradually increase as the impact of the gas;  3 digital outputs D0 small plates can be directly connected to the microcontroller through the microcontroller to detect high and low, thereby detecting ambient gas;  4 small plates digital output DO OUR relay module can directly drive, which can be composed of a gas switch;  5 small plates digital output can directly drive DO OUR active buzzer module, which can be composed of a gas alarm;  6 small plates AO analog output modules can be connected to the shop AD by AD conversion, accurate values can be obtained ambient gas concentration; will be sent from taiwan we only access paypal   this item will not be supplied shipping tracking number if you want tracking number please pay extra 1.5 us dollar!please send us an email to confirm for needing tracking number as soon as you order it . and please set confirmed address in paypal other wise we will not send out before we get confirmed address of your paypal!

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