MQ-7 high-sensitivity CO sensor Potentiometer for calibration Designed to use 5V power supply
CO click carries an MQ-7 sensor for detection of Carbon Monoxide (CO). The gas-sensing layer on the sensor unit is made of Tin Dioxide (SnO2), an inorganic compound which has lower conductivity in clean air. The conductivity increases as the level of Carbon Monoxide gas rises. The detection range is between 20 and 2000 parts per million.
To calibrate the sensor for the environment you'll be using it in, this board has a small potentiometer that allows you to adjust the load resistance of the sensor circuit. For precise calibration, the sensor should be powered up for 48 hours.
CO click communicates with your target board through the mikroBUS AN (OUT) line.
Note: This board is designed to use 5V power supply only.
mikroBUS Click Boards Overview Click boards come with header pins that you must solder yourself. After that, they just plug directly into a mikroBUS socket. mikroBUS is a specially designed plug-and-play pinout standard. The sockets are found on Clicker boards, these mikromedia shields, and development systems from mikroElektronika (V7 systems and later).
You also can connect Click boards to many other popular platforms via these adapters:
- PC — Click USB Adapter (MIKROE-1433)
- Arduino — Arduino UNO click shield (MIKROE-1581)
- Raspberry Pi — Pi click shield (MIKROE-1512)
- BeagleBone Black — BeagleBone click shield (MIKROE-1596)
- STM32F3 Discovery — STM32F3 Discovery Shield (MIKROE-1447)
- STM32F4 Discovery — STM32F4 Discovery Shield (MIKROE-1481)
- Stellaris LM4F120 LaunchPad / Tiva TM4C123G LaunchPad — Click BOOSTER PACK (MIKROE-1363)
In addition, it is royalty-free to add mikroBUS to your own designs. Visit the mikroBUS Category to see the full line of Click boards.
Carbon Monoxide Sensor mikroBUS Module Resources