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SunFounder MQ-2 Sensor Module Compatible with Arduino and Raspberry Pi

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Product ID: 18219567
Brand:
sunfounder
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About the item

  • An MQ-2 sensor module that outputs an analog value when sensing combustible . The higher concentration of the is, the greater value it will output. When the value exceeds the threshold set, the signal indicator will light up..
  • High sensitivity to liquefied , natural , town , smog, etc..
  • With a comparator LM393 to output both digital and analog signals at the same time.
  • Working voltage: 3.3V - 5V; PCB size: 2.3 x 4.0cm.
  • Equipped with power light and a signal output indicator.
Introduction Adopt the universal 32.768kHz crystal oscillator With a button cell holder for LIR2032 rechargeable Li-ion battery Use three lines (CE, I/O, SCLK) to synchronously communicate with CPU, or have a 3-wire interface; support clock signals or RAM data under a multi-byte mode (burst) Operating temperature: 0°C ~ +70°C Power: less than 1mW (data and clock information stored) 　 Application Hand-hold devices Electronic watch Electronic alarm Component List -1 x RTC-DS1302 module
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