MQ2 gas sensor with Arduino pro mini case
thingiverse
I'm building a simple gas sensor system with an Arduino Pro Mini and a computer buzzer. I connect the board to a power source using a USB cable. The Arduino code uses the digital output of the MQ2 sensor, allowing you to adjust the threshold from the bottom potentiometer. By default, the sensor has a HIGH output on D-OUT, but other sensors may vary. Printer Settings: Printer: Fox3D Rafts: No Supports: No Resolution: 0.2 mm Infill: 30% Notes: Esun PLA
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