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DS1841 I2C Digital Potentiometer Module STEMMA QT / Qwiic Compatible Robotics Bangladesh
  • DS1841 I2C Digital Potentiometer Module STEMMA QT / Qwiic Compatible Robotics Bangladesh
  • DS1841 I2C Digital Potentiometer Module STEMMA QT / Qwiic Compatible Robotics Bangladesh

DS1841 I2C Digital Potentiometer Module STEMMA QT / Qwiic Compatible

RBD-4220

The DS1841 I2C Digital Potentiometer Module is a programmable digital resistor module based on the DS1841 IC. It offers precise resistance adjustment with 256 linear steps and supports multiple resistance value options, making it an effective replacement for traditional mechanical potentiometers.

BDT 1,138
BDT 1,138 BDT 1,138 BDT 1,138 BDT 1,138
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Description

Product Overview
The DS1841 I2C Digital Potentiometer Module is a programmable digital resistor module based on the DS1841 IC. It offers precise resistance adjustment with 256 linear steps and supports multiple resistance value options, making it an effective replacement for traditional mechanical potentiometers.

Designed with a STEMMA QT / Qwiic connector, the module enables solder-free I2C connectivity and is compatible with both 3.3V and 5V systems. It is well suited for analog circuit tuning, sensor calibration, and digital control applications.

Key Features

  • Precise digital resistance control with 256 linear adjustment steps

  • Multiple resistance options: 10KΩ, 50KΩ, or 100KΩ

  • Non-volatile memory retains last resistance setting after power-off

  • STEMMA QT / Qwiic interface for plug-and-play I2C connection

  • Wide voltage compatibility supporting 3.3V and 5V logic levels

  • Ultra-low power consumption with standby current as low as 1 µA

  • Compact PCB design suitable for space-constrained projects

Technical Specifications

  • Chip Model: DS1841

  • Resistance Values: 10KΩ / 50KΩ / 100KΩ (optional)

  • Resolution: 8-bit, 256 steps

  • Interface: I2C

  • Logic Level: 3.3V / 5V compatible

  • Supply Voltage: 3.3V to 5.5V DC

  • Non-Volatile Storage: Yes

  • Operating Temperature: -40°C to +85°C

  • Module Dimensions: 17.3 mm × 25.6 mm

How to Use
Connect the module to a microcontroller via the STEMMA QT / Qwiic connector or standard I2C pins. Power the module within the supported voltage range and control the resistance value by sending I2C commands.

Applications

  • Analog circuit debugging and tuning

  • Digital volume control in audio systems

  • Sensor sensitivity and offset calibration

  • Programmable resistive load testing

  • Industrial control and instrumentation

Package Includes

  • DS1841 I2C Digital Potentiometer Module × 1

  • Pin header (not soldered)

Why Choose
This module combines accurate digital resistance control, non-volatile memory, and solder-free I2C connectivity in a compact form factor, making it a reliable and flexible solution for modern electronic designs.

Product Details
RBD-4220

Specific References

EAN13
4220
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