DC 3-5V X9C103S Digital Potentiometer Board Module for Arduino

(6 customer reviews)

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SKU: 43886
  1. Supply voltage: 3V-5V
  2. Chip: X9C103S
  3. Dimensions : 28 x 14 x 4 (LxWxH) mm.
  4. 10K span potentiometer.
  5. Potentiometer center tap between the 0-10k slide in total 100 (potentiometer wiper typical impedance 40 ohms)


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Brand: Generic
Category: Potentiometer Module
Tags: Potentiometer, Variable Resistance, Digital Potentiometer, X9C103S

This is DC 3-5V X9C103S Digital Potentiometer Board Module for Arduino. The X9C103 are digitally controlled (XDCP) potentiometers. It consists of a resistor array, wiper switches, a control section, and non-volatile memory. The wiper position is controlled by a three-wire interface. The potentiometer is implemented by a resistor array composed of 99 resistive elements and a wiper switching network. Between each element and at either end are tap points accessible to the wiper terminal.

The position of the wiper element is controlled by the CS, U/D, and INC inputs. The position of the wiper can be stored in non-volatile memory and then be recalled upon a subsequent power-up operation.

There are three sections of the Dc3v-5v X9c103s Digital Potentiometer as the input control, counter and decode section; the non-volatile memory; and the resistor array. The input control section operates just like an up/down counter. The output of this counter is decoded to turn on a single electronic switch connecting a point on the resistor array to the wiper output. Under the proper conditions, the contents of the counter can be stored in non-volatile memory and retained for future use. The resistor array is comprised of 99 individual resistors connected in series. At either end of the array and between each resistor is an electronic switch that transfers the potential at that point to the wiper.

The wiper, when at either fixed terminal, acts like its mechanical equivalent and does not move beyond the last position. That is, the counter does not wrap around when clocked to either extreme. The electronic switches on the device operate in a “make-before-break” mode when the wiper changes tap positions. If the wiper is moved several positions, multiple taps are connected to the wiper for tIW (INC to VW/RW change). The TOTAL value of the device can temporarily be reduced by a significant amount if the wiper is moved to several positions. When the device is powered-down, the last wiper position stored will be maintained in the non-volatile memory.

When power is restored, the contents of the memory are recalled and the wiper is reset to the value last stored. The internal charge pump allows a wide range of voltages (from -5V to 5V) applied to XDCP terminals yet given a convenience of the single power supply. The typical charge pump noise of 20mV at 850kHz should be taken into consideration when designing an application circuit.

Interfacing with Arduino:

Features :

  1. 10K span potentiometer.
  2. Potentiometer center tap between the 0-10k slide in total 100 (potentiometer wiper typical impedance 40 ohms)
  3. VL and VH digital potentiometer sliding rheostat port corresponding to the low-end and high-end, allowing the input voltage range -5V to + 5V.

Package Includes :

1 x DC 3-5V X9C103S Digital Potentiometer Board Module for Arduino

1 x Set of Berg Strip Male Connectors

Shipping Weight 0.006 kg
Shipping Dimensions 4 × 4 × 2 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.  Reimbursement or 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.

Based on 6 reviews

4.8 overall

Add a review

  1. Maulik Shah

    Very good product and received in time… Thanks to robu.in

    Maulik Shah

  2. V.Ramaraj (verified owner)

    Very good product.works fine


  3. v.rangarajan (verified owner)

    Met expectations


  4. v.rangarajan (verified owner)

    Exceeded my expectations


  5. fusion669 (verified owner)

    as expected!!


  6. George A P (verified owner)

    Yet to try. Exudes quality and should work well.

    George A P


Source code

Questions and answers of the customers

    How much current it can handle between VH and VW?
  1. 0 votes
    Q How much current it can handle between VH and VW? answer now
    Asked by ldhruw3 on March 17, 2022 5:56 am

    The X9C103S module can handle a current of up t... Read more

Only registered users are eligible to enter questions
Country Of Origin: China

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