Parallax Carbon Monoxide Sensor on Fio 6

Parallax Carbon Monoxide Sensor on Fio
We’ve been struggling with connecting the Parallax Carbon Monoxide (CO) break-out board for a while now. We finally have it functioning properly and safely. We’ll cover initializing the sensor, circuit setup, configuring pulse width modulation, adding signal lights and voltage monitoring for shutting down the device in case the separated CO power supply drops below ...