Arduino CO2 Sensörü eBay

MQ4 Methane Sensor Circuit Built with an Arduino

The MQ4 can be obtained very cheaply, just a few bucks. A good place to look for it is on ebay, which always has auctions on them for the 23 range. Important, it is recommended that you do not obtain the standalone sensor but the whole MQ4 board. This is because if you buy the standalone sensor, you will have to finish building the whole schematic before you can connect it to the arduino ...

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CO2 Sensor code 8 by cattledog

20210531· CO2 Sensor code. Using Arduino. Programming Questions. ingusbmns January 31, 2021, 5:24pm 1. Paul_KD7HB January 31, 2021, 6:24pm 2. Perhaps you can get help if you show a schematic or a block diagram of how YOU have the sensor, the Arduino , and power connected together. Also need to know which method you are using to communicate with the sensor. Are you leaving it …

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