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Basic Resistor Sensor Reading On Raspberry Pi

Adafruitraspberrypi

Reads resistance values from a photocell without an ADC, using GPIO timing.

In stock

Specifications

1
Operating Voltage
3.3V (Raspberry Pi) / 5V (Capacitor) V

Pinout

1

Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.

PinNameFunctionsNotes
D18GPIO18
GPIO
Used for measuring resistance changes in a photocell.

Interactive pinout

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