DS1841 - I2C Digital Potentiometer 10K I2C STEMMA QT/Qwiic I2C- Adafruit 4570

Index: ADA-17712 EAN: 5904422354572

The Adafruitdigital potentiometer allows you to adjust the circuit without having to turn the knob manually. A module with an I2C interfacein which the resistance dependence on the slider is logarithmic. Potentiometer with a resistance of 22kΩ to 3.7 kΩ and 128 hook points.

DS1841 - I2C Digital Potentiometer 10K I2C STEMMA QT/Qwiic I2C- Adafruit 4570
€8.50
€6.91 tax excl.
Delivery 11 pcs scheduled for 2024-03-29
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Manufacturer: Adafruit
Compatibility: Arduino Raspberry Pi

Product description: DS1841 - Digital potentiometer 10K I2C STEMMA QT/Qwiic - Adafruit 4570.

The Adafruitdigitalpotentiometer allows you to adjust the circuit without having to turn the knob manually. A module with anI2Cinterface in which the resistance dependence on the slider is logarithmic. Potentiometer with a resistanceof 22 kΩ to 3.7 kΩ and128 hook points.Logarithmic type devices are used for volume control as they better match the human ear's response to sound.

Module outputs

Digital potentiometer DS1841 has special leads, to which appropriate goldpin connectors (includedin the kit) should be soldered. Alternatively, it can be connected with STEMMA QT /Qwiicconnectors.

Pin Description
VCC Supply voltage from 2.7 V to 5.5 V.
GND The weight.
SCL I2C interface clock line.
SDA I2C interface data line.
RW Potentiometer output (slider).
RH Potentiometer output (edge).

Arduino compatible product

In order to facilitate work with the module, the manufacturer has prepared auser guide togetherwith Arduino library.

Connecting the module using STEMMA QT / Qwiic connectors

The module has a special lead for STEMMA QT /Qwiicconnectors. Below is a connection using Metro board,which is equivalent to traditional Arduino board.

Technical specifications of DS1841 digital potentiometer

  • Supply voltage: 2.7 V to 5 V
  • Logarithmic resistor: 22 kΩ to 3.7 kΩ
  • Fixed resistor: 3.6 kΩ
  • Temperature sensor: chip / ADC
  • Operating temperature: -40°C to 100°C
  • LUT*: 72 B
  • Interface: I2C
  • Dimensions: 25.5 x 17.6 x 4.6 mm

*LUT (Look Up Table) - a built-in table that allows you to adjust the temperature compensation.

Set contents

  • Sensor module
  • Goldpin connectors

Voltage to 2.7 V
Voltage from 5.0 V
Temperature - 40 - 100°C
Interface I2C
Sensor - type potentiometer
Package width 7.5 cm
Package height 0.3 cm
Package depth 12 cm
Package weight 0.004 kg

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DS1841 - I2C Digital Potentiometer 10K I2C STEMMA QT/Qwiic I2C- Adafruit 4570

5/5

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Paweł M. 11.01.2022 Confirmed purchase Translated review
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