Hi there, I would like to build a CO2 ppm meter using a UNO + MQ 135 sensor + I2C LED display. Might anyone have a schematic for such a project? Cheers!
Hi there, I would like to build a CO2 ppm meter using a UNO + MQ 135 sensor + I2C LED display. Might anyone have a schematic for such a project? Cheers!