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ADC121 Potentiometer Input I²C Mini Module


  • Digitally Read Potentiometer Position over I²C Bus
  • Integrated Potentiometer
  • Sensor, Level Shifter and Voltage Regulator all embedded on the module
  • No Need of soldering. Plug and Play Device
  • Quick and Easy Daisy-chained Device
  • ADC121C021 ADC with 12-Bit Resolution
  • Up to 9 Devices per I²C Interfaces
  • I2C Mini Module Form Factor
  • Up to 188k Samples per Second

10 in stock

Product Description

Our I²C ADC121 Potentiometer Mini Module provides a convenient solution for applications that require digital readings of a user-set potentiometer.

This Mini Module allows users to ask for the potentiometer position over the I²C bus, converting tactile movements into digital data that can be used for a multitude of interface applications.

Digitally read the onboard potentiometer and use the incoming data for IoT-based light-dimming applications, or fine-tune program settings using a conventional knob.

This potentiometer can even be used to digitally control the audio volume of your Raspberry Pi by writing software instead of conventional analog audio signal processing. Integrated ADC121C021 12-Bit analog-to-digital converter allows up to 9 devices to chain to a single I²C bus, capable of reading 4096 positions per potentiometer.


  • Light Dimming
  • Motor Speed Control
  • Volume and Tone Controls
  • Medical Instruments
  • Test Equipment
  • Automotive

All I²C Mini Modules are designed to operate at 5VDC. Using a convenient 4-Pin plug, devices can be daisy-chained onto the I²C Bus, eliminating the need for soldering. Simply plug together the devices you need for your next automation application.


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