Adafruit DS3502 I2C Digital 10K Potentiometer Breakout – STEMMA QT/Qwiic


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SKU: 1012195
  1. The microcontroller adjusts the resistance itself
  2. Control Interface: I2C
  3. Resistance Value: 0 – 10kΩ
  4. Number of Positions: 128


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Brand: Adafruit
Category: Breakout Board
Tags: DS3502

The DS3502 I2C Digital Potentiometer allows you to let your microcontroller adjust the resistance for you! Talking over an I2C bus, your Arduino, CircuitPython board,  or Python-powered computer can talk to the DS3502 and tell it to vary its resistance at your back and call.

Working with the DS3502 is easy as an I2C controllable pie. We’ve put it on a breakout PCB with the required support circuitry and SparkFun qwiic compatible STEMMA QT connectors to allow you to use it with other similarly equipped boards without needing to solder.

This handy little helper can work with 3.3V or 5V micros, so it’s ready to get to work with a range of development boards. The DS3502 is a simple chip that does one thing well and so it’s very easy to work with. Wire it up and set the value for the wiper, that’s it. To make things even easier we’ve gone and written Arduino and CircuitPython/Python 3 drivers to simplify interfacing with your new knob-replacing friend.

The wiper value is a 7-bit number meaning there are 128 possible levels of resistance to choose from 0-10K ohms. You can even set a default value that will be set on power-up. The analog voltage-controlled can be from 4.5-15.5V. Additionally, you can use the address jumpers or pins to set the I2C address to one of four values, allowing you to have four DS3502s on the same I2C bus.


  1. Allows microcontrollers to adjust the resistance
  2. Communicates via I2C bus
  3. Allow similarly equipped boards to connect to the potentiometer without any need to solder them
  4. 7-bit wiper value with 128 possible levels of resistance
  5. 0Ω to 10kΩ resistance range

Package Includes:

1 x Adafruit DS3502 I2C Digital 10K Potentiometer Breakout – STEMMA QT/Qwiic

SKU: 1012195 Category: Tag:
Resistance (Ω)


Interface Type


Digital Operating Voltage

3.3V to 5V

Analog Operating Voltage

4.5V to 15.5V

Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.005 kg
Shipping Dimensions 3 × 2 × 1 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: United States (US)