pcomp: out of soap

i wrote in a previous post about a sensor/light system that lets you know when you’re running low on something. the code was straightforward! i just smushed together the last sensor testing lab with arduino’s built-in “blink” program. i don’t really understand why i have to map the sensor to the 0-255 range, but other than that i think the program will function as needed if i just build some physical cues around the circuit.

"out of soap" circuit
“out of soap” circuit

 

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