X9C103S Digital Potentiometer Module 10 kΩ
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Prices updated: 12 Oct 2026
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About this product
A digital potentiometer module built around the X9C103S chip, providing a 10 kΩ resistance divided into 100 wiper steps. It is adjusted with three control lines instead of a knob, which suits microcontroller-driven gain, volume and calibration adjustments. The wiper position is kept in non-volatile memory.
Specifications
- Total resistance
- 10 kΩ
- Wiper steps
- 100
- Control interface
- 3-wire (INC, U/D, CS)
- Wiper memory
- Non-volatile
Frequently asked questions
How do I change the resistance from an Arduino?
Set CS low to enable the device and set U/D high to step up or low to step down. Each falling edge on INC moves the wiper by one step.
Can I use it as a voltage divider?
Yes. Connect the two end terminals across the reference voltage and take the output from the wiper terminal. Keep the voltage on the terminals within the datasheet limits and the supply rails.
