[Steve Gilissen], an appreciator of unusual electronic instruments, discovered that while there had been projects that turned ... a PCB that hosts an Arduino Nano to accept input, two MCP23017 ...

Arduino RFID projects have become increasingly popular in recent years due to the simplified technological mechanisms provided by the Arduino platform. The integration of RFID technology with Arduino ...

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Connect the output (S) lead to a digital input pin (e.g. pin 2) on the Arduino Nano. Connect the two potentiometers to the breadboard. Connect the center lead of each potentiometer to an analog input ...