Description
Description
The X9C103S Digital Potentiometer Board is a programmable resistance adjustment module designed for embedded control, signal tuning, and analog circuit applications. It is based on the X9C103S non-volatile digital potentiometer IC with a total resistance range of 10 k and 100 adjustable wiper positions. The module operates from 3 V to 5 V supply voltage and supports bidirectional resistance control through digital signals. Its compact PCB layout allows easy integration into microcontroller projects, automation systems, and electronic prototyping applications.
Features:
- X9C103S digital potentiometer IC
- 10 k total resistance range
- 100 programmable wiper positions
- Non-volatile resistance memory
- 3 V to 5 V operating voltage
- Digital up/down resistance control
- Low wiper resistance around 40
- Compact 27 13 mm PCB size
- Supports analog signal adjustment
- Suitable for microcontroller interfacing
- Stable resistance switching performance
- Compatible with Arduino systems
- Ideal for gain and voltage tuning
- Easy soldered pin connections
- Designed for embedded applications
Specifications
- Chip: X9C103S
- Resistance Value: 10 k
- Wiper Positions: 100 Steps
- Supply Voltage: 3 V 5 V
- Wiper Resistance: Typical 40
- End-to-End Resistance Tolerance: 20%
- Interface Type: Digital Up/Down Control
- Memory Type: Non-Volatile
- Resistance Adjustment Method: Incremental
- Terminal Voltage Range: -5 V to +5 V
- PCB Dimensions: 27 13 mm
- Mounting Type: Through-Hole Pins
- Operating Function: Digital Variable Resistor
- Application Type: Signal and Voltage Adjustment
- Compatibility: Arduino, ESP32, STM32, AVR Platforms
Links
- Digital Potentiometer Board 3D Model
- Digital Potentiometer Board X9C103S Datasheet
Tutorials
- X9C103S Digital Potentiometer – Detailed Explanation, Testing, Interfacing with Arduino

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