X9C103S Digital Potentiometer Module DC3V-5V 10K 100 Levels

= Precision Digital Potentiometer for Arduino =

The X9C103S Digital Potentiometer Module is a solid-state, digitally controlled potentiometer (XDCP) that allows you to adjust resistance via a microcontroller . Featuring a 10K Ohm range with 100 selectable wiper tap points, it provides a reliable alternative to mechanical potentiometers in applications requiring remote control or automated adjustment .

= Technical Specifications =

= Key Features =

100 Tap Points - 100 selectable wiper positions for precise adjustment

NonVolatile Memory Retains wiper position after power-off

Wide Terminal Voltage Handles 5V to +5V across potentiometer endpoints

Easy 3Wire Control Simple interface with any microcontroller

Low Power - CMOS technology for minimal current draw

== Applications ==

• Digitally controlled volume and gain adjustment
• Sensor calibration and offset trimming
• Programmable filters and oscillators
• Automated test equipment and calibration
• Audio processing and signal conditioning
• Arduino and ESP32 projects

= Wiring Guide =

= Arduino Test Code =

int CS = 5;

int INC = 6;

int UD = 4;

int analogPin = A0;

void setup() {

pinMode(CS, OUTPUT);

pinMode(INC, OUTPUT);

pinMode(UD, OUTPUT);

digitalWrite(CS, HIGH);

digitalWrite(INC, HIGH);

Serial.begin(9600);

}

void setWiperPosition(int position) {

digitalWrite(CS, LOW);

for(int i = 0; i < 100; i++) {

if(i < position) {

digitalWrite(UD, HIGH);

} else {

digitalWrite(UD, LOW);

}

digitalWrite(INC, LOW);

delay(1);

digitalWrite(INC, HIGH);

delay(1);

}

digitalWrite(CS, HIGH);

}

void loop() {

for(int pos = 0; pos < 100; pos += 10) {

setWiperPosition(pos);

int val = analogRead(analogPin);

Serial.print(pos);

Serial.println(val);

delay(500);

}

}

= Why Choose X9C103S? =

√ Compatible with Arduino, ESP32, PIC, and STM32

√ Replaces mechanical potentiometers in circuits

√ Stores wiper position for next power cycle

√ 3mA max active current for battery projects

√ 100 year data retention

= Safety Precautions =

The X9C103S Digital Potentiometer Module provides precise, programmable resistance control in a compact, easytouse package. Perfect for automated calibration, audio control, and sensor adjustment projects.