X9C103S Digital Potentiometer Module — 10kΩ, SPI Control

X9C103S Digital Potentiometer Module — 10kΩ, SPI Control

The X9C103S digital potentiometer module provides a digitally controlled 10kΩ potentiometer with 100 wiper positions via a simple 3-wire SPI-like interface. The wiper position is stored in non-volatile memory — retaining the last set resistance after power-off. Replace mechanical potentiometers with digital control in Arduino projects.

Key Specifications

• IC: X9C103S | Resistance: 10kΩ | Steps: 100
• Interface: 3-wire SPI-like (INC / U/D / CS)
• Non-volatile: Yes (retains wiper position after power-off)
• Supply voltage: 5V | Resistance tolerance: ±20%
• Compliance: RoHS compliant

Why Choose This?

• ✅ Non-volatile wiper position — retains setting after power-off
• ✅ 100 steps — fine resistance control in 100Ω increments
• ✅ Simple 3-wire control — easy Arduino integration
• ✅ Replaces mechanical pot — digitally control volume, gain and bias

Typical Applications

• Digitally controlled audio volume and tone
• Programmable gain amplifier control
• LCD contrast and bias adjustment
• Sensor calibration and offset adjustment

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