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# 2514/U, 7th 'A' Main Road, Opp. to BBMP Swimming Pool, Hampinagar, Vijayanagar 2nd Stage. 560104 Bangalore IN
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# 2514/U, 7th 'A' Main Road, Opp. to BBMP Swimming Pool, Hampinagar, Vijayanagar 2nd Stage. Bangalore, IN
+918023404924 https://cdn1.storehippo.com/s/59c9e4669bd3e7c70c5f5e6c/ms.settings/5256837ccc4abf1d39000001/webp/59dafe26aef6e1d20402c4c3-480x480.png" info@tenettech.com
5aba43295fe7ae3048e93aee CO click https://cdn1.storehippo.com/s/59c9e4669bd3e7c70c5f5e6c/ms.products/5aba43295fe7ae3048e93aee/images/5aba43295fe7ae3048e93aef/5aba419f3f44cc30243e76f1/webp/5aba419f3f44cc30243e76f1.jpg

Description

CO click carries the MQ-7 gas sensor with high sensitivity to carbon monoxide. The click is designed to run on a 5V power supply only. It communicates with the target micarocontroller over the AN pin on the mikroBUS™ line.

The board also features a calibration potentiometer, a mikroBUS™ host socket, two jumpers and a power indicator LED.

MQ-7 sensor features

The MQ-7 sensor has high sensitivity to carbon monoxide. The gas sensing layer on the sensor unit is made of Tin dioxide (SnO2), which has lower conductivity in clean air. The conductivity increases as the levels of Carbon monoxide rise. The detection range of the sensor is 20ppm-2000ppm of CO.

Calibrating the sensor

To calibrate the sensor for the environment you’ll be using it in, CO click has a small potentiometer that allows you to adjust the Load Resistance of the sensor circuit. For precise calibration, the sensor needs to preheat (once powered up, it takes 48h to reach the right temperature).

Carbon monoxide detection

Carbon monoxide gas sensors are used to detect the presence of that gas and prevent carbon monoxide poisoning.

Since carbon monoxide has no smell or color, humans cannot detect it. In high concentrations, it can be lethal.

Specification

Type Gas
Applications Measuring pollution, designing safety alarms, performing experiments
On-board modules MQ-7 sensor for Carbon monoxide
Key Features Gas sensing layer on the sensor unit is made of Tin dioxide (SnO2)
Key Benefits Potentiometer for calibration
Interface Analog
Input Voltage 3.3V or 5V
Compatibility mikroBUS
Click board size M (42.9 x 25.4 mm)

Documentation

Pinout diagram

This table shows how the pinout on CO click corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).

Notes Pin Mikrobus logo.png
mikroBUStm
Pin Notes
Analog output AN 1 AN PWM 16 NC Not connected
Not connected NC 2 RST INT 15 NC Not connected
Not connected NC 3 CS TX 14 NC Not connected
Not connected NC 4 SCK RX 13 NC Not connected
Not connected NC 5 MISO SCL 12 NC Not connected
Not connected NC 6 MOSI SDA 11 NC Not connected
Not connected NC 7 3.3V 5V 10 +5V Power supply
Ground GND 8 GND GND 9 GND Ground

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    CO click

    Description of product

    Description

    CO click carries the MQ-7 gas sensor with high sensitivity to carbon monoxide. The click is designed to run on a 5V power supply only. It communicates with the target micarocontroller over the AN pin on the mikroBUS™ line.

    The board also features a calibration potentiometer, a mikroBUS™ host socket, two jumpers and a power indicator LED.

    MQ-7 sensor features

    The MQ-7 sensor has high sensitivity to carbon monoxide. The gas sensing layer on the sensor unit is made of Tin dioxide (SnO2), which has lower conductivity in clean air. The conductivity increases as the levels of Carbon monoxide rise. The detection range of the sensor is 20ppm-2000ppm of CO.

    Calibrating the sensor

    To calibrate the sensor for the environment you’ll be using it in, CO click has a small potentiometer that allows you to adjust the Load Resistance of the sensor circuit. For precise calibration, the sensor needs to preheat (once powered up, it takes 48h to reach the right temperature).

    Carbon monoxide detection

    Carbon monoxide gas sensors are used to detect the presence of that gas and prevent carbon monoxide poisoning.

    Since carbon monoxide has no smell or color, humans cannot detect it. In high concentrations, it can be lethal.

    Specification

    Type Gas
    Applications Measuring pollution, designing safety alarms, performing experiments
    On-board modules MQ-7 sensor for Carbon monoxide
    Key Features Gas sensing layer on the sensor unit is made of Tin dioxide (SnO2)
    Key Benefits Potentiometer for calibration
    Interface Analog
    Input Voltage 3.3V or 5V
    Compatibility mikroBUS
    Click board size M (42.9 x 25.4 mm)

    Documentation

    Pinout diagram

    This table shows how the pinout on CO click corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).

    Notes Pin Mikrobus logo.png
    mikroBUStm
    Pin Notes
    Analog output AN 1 AN PWM 16 NC Not connected
    Not connected NC 2 RST INT 15 NC Not connected
    Not connected NC 3 CS TX 14 NC Not connected
    Not connected NC 4 SCK RX 13 NC Not connected
    Not connected NC 5 MISO SCL 12 NC Not connected
    Not connected NC 6 MOSI SDA 11 NC Not connected
    Not connected NC 7 3.3V 5V 10 +5V Power supply
    Ground GND 8 GND GND 9 GND Ground