[Fjord Carver] brings together an RGB LED and CdS Photoresistor to make a color sensor ... around it’s an Arduino doing the measuring instead of a PIC. So why isn’t that sensor shown in ...
[Jordan’s] sensor includes just a single pixel. The sensor is really just an infrared photodiode inside of a tube. The diode is connected to an analog input pin on an Arduino. The sensor can be ...
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