TPL0501 100K Digital Potentiometer Module (256-Step SPI)

🎚️ TPL0501 digital potentiometer module (100KΩ)
🔢 256-step resolution for precise resistance control
🚌 SPI interface for easy microcontroller control
⚡ Fast, repeatable adjustments—no mechanical wear
🧩 Ideal for gain/volume tuning, threshold setting, calibration
🔌 Works great with Arduino, ESP32, STM32, Raspberry Pi
🛠️ Simple wiring: VCC, GND, SCK, MOSI, CS
📦 Compact module for prototyping and embedded projects

SKU: EK1889 Category: Electronic Modules Tags: Electronic Modules, SPI

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Description

Description:
The TPL0501 100K Digital Potentiometer Module is a precision 256-step digitally controlled resistor, perfect for adjusting voltage, signal gain, or contrast in electronic circuits. Controlled via SPI interface, it allows for accurate and repeatable resistance adjustments without mechanical wear, making it ideal for Arduino, Raspberry Pi, and other microcontroller projects.

Specifications:

Potentiometer Type: Digital (256-step)
Resistance: 100 KΩ
Interface: SPI
Supply Voltage: 3.3V–5V
Step Resolution: 256 steps (8-bit)
Temperature Range: -40°C to 125°C
Package Type: Module with pins for easy breadboard connection

Short Features:

100KΩ digitally controlled potentiometer
256-step high-resolution adjustment
SPI interface for precise digital control
Compact module, easy to integrate in projects
Wide voltage range: 3.3V–5V

Package Includes:

1 × TPL0501 100K Digital Potentiometer Module
1 × Pin Header (if not pre-soldered)

🔌

Pin Connections

1 Table

Pin Connections Table 1

Board	Sensor Pin	Connection
TPL0501	VCC/GND/CS	2.7-5.5V / GND / board digital pin

📟

TPL0501 100K Digital Potentiometer Module (256-Step SPI)

7 Examples • C/C++ | Boards: Arduino Uno, Arduino Nano, Arduino Mega, ESP32, ESP8266, STM32, Raspberry Pi Pico

Wrap

TPL0501 100K Digital Potentiometer Module (256-Step SPI) - Arduino Uno

TPL0501 100K Digital Potentiometer Module (256-Step SPI) - Arduino Nano

TPL0501 100K Digital Potentiometer Module (256-Step SPI) - Arduino Mega

TPL0501 100K Digital Potentiometer Module (256-Step SPI) - ESP32

TPL0501 100K Digital Potentiometer Module (256-Step SPI) - ESP8266

TPL0501 100K Digital Potentiometer Module (256-Step SPI) - STM32

TPL0501 100K Digital Potentiometer Module (256-Step SPI) - Raspberry Pi Pico

📄 File: tpl0501_100k_digital_potentiometer_module_(256-step_spi)_-_arduino_uno.inoArduino Uno

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1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// CS=10 on Arduino Uno (SPI digital potentiometer, 256 steps)

6#include <SPI.h>

8#define CS_PIN 10

10void setPot(byte value) { // 0-255

11 digitalWrite(CS_PIN, LOW);

12 SPI.transfer(0x00); // write command to wiper register

13 SPI.transfer(value);

14 digitalWrite(CS_PIN, HIGH);

15}

17void setup() {

18 pinMode(CS_PIN, OUTPUT);

19 digitalWrite(CS_PIN, HIGH);

20 SPI.begin();

21}

23void loop() {

24 for (int v = 0; v <= 255; v += 5) { setPot(v); delay(30); }

25 for (int v = 255; v >= 0; v -= 5) { setPot(v); delay(30); }

26}

📄 File: tpl0501_100k_digital_potentiometer_module_(256-step_spi)_-_arduino_nano.inoArduino Nano

571 characters

1//ekostra.com

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3//+201008896258

5// CS=10 on Arduino Nano (SPI digital potentiometer, 256 steps)

6#include <SPI.h>

8#define CS_PIN 10

10void setPot(byte value) { // 0-255

11 digitalWrite(CS_PIN, LOW);

12 SPI.transfer(0x00); // write command to wiper register

13 SPI.transfer(value);

14 digitalWrite(CS_PIN, HIGH);

15}

17void setup() {

18 pinMode(CS_PIN, OUTPUT);

19 digitalWrite(CS_PIN, HIGH);

20 SPI.begin();

21}

23void loop() {

24 for (int v = 0; v <= 255; v += 5) { setPot(v); delay(30); }

25 for (int v = 255; v >= 0; v -= 5) { setPot(v); delay(30); }

26}

📄 File: tpl0501_100k_digital_potentiometer_module_(256-step_spi)_-_arduino_mega.inoArduino Mega

571 characters

1//ekostra.com

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3//+201008896258

5// CS=53 on Arduino Mega (SPI digital potentiometer, 256 steps)

6#include <SPI.h>

8#define CS_PIN 53

10void setPot(byte value) { // 0-255

11 digitalWrite(CS_PIN, LOW);

12 SPI.transfer(0x00); // write command to wiper register

13 SPI.transfer(value);

14 digitalWrite(CS_PIN, HIGH);

15}

17void setup() {

18 pinMode(CS_PIN, OUTPUT);

19 digitalWrite(CS_PIN, HIGH);

20 SPI.begin();

21}

23void loop() {

24 for (int v = 0; v <= 255; v += 5) { setPot(v); delay(30); }

25 for (int v = 255; v >= 0; v -= 5) { setPot(v); delay(30); }

26}

📄 File: tpl0501_100k_digital_potentiometer_module_(256-step_spi)_-_esp32.inoESP32

562 characters

1//ekostra.com

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3//+201008896258

5// CS=5 on ESP32 (SPI digital potentiometer, 256 steps)

6#include <SPI.h>

8#define CS_PIN 5

10void setPot(byte value) { // 0-255

11 digitalWrite(CS_PIN, LOW);

12 SPI.transfer(0x00); // write command to wiper register

13 SPI.transfer(value);

14 digitalWrite(CS_PIN, HIGH);

15}

17void setup() {

18 pinMode(CS_PIN, OUTPUT);

19 digitalWrite(CS_PIN, HIGH);

20 SPI.begin();

21}

23void loop() {

24 for (int v = 0; v <= 255; v += 5) { setPot(v); delay(30); }

25 for (int v = 255; v >= 0; v -= 5) { setPot(v); delay(30); }

26}

📄 File: tpl0501_100k_digital_potentiometer_module_(256-step_spi)_-_esp8266.inoESP8266

566 characters

1//ekostra.com

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5// CS=D8 on ESP8266 (SPI digital potentiometer, 256 steps)

6#include <SPI.h>

8#define CS_PIN D8

10void setPot(byte value) { // 0-255

11 digitalWrite(CS_PIN, LOW);

12 SPI.transfer(0x00); // write command to wiper register

13 SPI.transfer(value);

14 digitalWrite(CS_PIN, HIGH);

15}

17void setup() {

18 pinMode(CS_PIN, OUTPUT);

19 digitalWrite(CS_PIN, HIGH);

20 SPI.begin();

21}

23void loop() {

24 for (int v = 0; v <= 255; v += 5) { setPot(v); delay(30); }

25 for (int v = 255; v >= 0; v -= 5) { setPot(v); delay(30); }

26}

📄 File: tpl0501_100k_digital_potentiometer_module_(256-step_spi)_-_stm32.inoSTM32

566 characters

1//ekostra.com

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3//+201008896258

5// CS=PA4 on STM32 (SPI digital potentiometer, 256 steps)

6#include <SPI.h>

8#define CS_PIN PA4

10void setPot(byte value) { // 0-255

11 digitalWrite(CS_PIN, LOW);

12 SPI.transfer(0x00); // write command to wiper register

13 SPI.transfer(value);

14 digitalWrite(CS_PIN, HIGH);

15}

17void setup() {

18 pinMode(CS_PIN, OUTPUT);

19 digitalWrite(CS_PIN, HIGH);

20 SPI.begin();

21}

23void loop() {

24 for (int v = 0; v <= 255; v += 5) { setPot(v); delay(30); }

25 for (int v = 255; v >= 0; v -= 5) { setPot(v); delay(30); }

26}

📄 File: tpl0501_100k_digital_potentiometer_module_(256-step_spi)_-_raspberry_pi_pico.inoRaspberry Pi Pico

576 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// CS=17 on Raspberry Pi Pico (SPI digital potentiometer, 256 steps)

6#include <SPI.h>

8#define CS_PIN 17

10void setPot(byte value) { // 0-255

11 digitalWrite(CS_PIN, LOW);

12 SPI.transfer(0x00); // write command to wiper register

13 SPI.transfer(value);

14 digitalWrite(CS_PIN, HIGH);

15}

17void setup() {

18 pinMode(CS_PIN, OUTPUT);

19 digitalWrite(CS_PIN, HIGH);

20 SPI.begin();

21}

23void loop() {

24 for (int v = 0; v <= 255; v += 5) { setPot(v); delay(30); }

25 for (int v = 255; v >= 0; v -= 5) { setPot(v); delay(30); }

26}

Project Notes:

SPI-controlled digital potentiometer.

Specification

WeightWeight	8 g
Dimensions	2,5 × 2 × 0,3 cm
Product Name	TPL0501 100K Digital Potentiometer Module (256-Step SPI)
IC Type	Digital Potentiometer
Resistance Value	100 kΩ
Resolution	256 Steps (8-Bit)
Interface	SPI
Operating Voltage	2.7V – 5.5V
Wiper Resistance	Low
Non-Volatile Memory	No
End-to-End Resistance Tolerance	±20%
Operating Temperature	-40°C to +85°C
Response Time	Fast
Application	Signal Adjustment, Gain Control, Calibration, Embedded Systems

Customer Reviews

135,00 EGP