PCF8591 Module Analog to Digital / Digital-Analog Converter Module

The PCF8591 Module Analog to Digital / Digital-Analog Converter Module is a versatile data conversion module designed to add analog input and output capabilities to microcontroller-based projects. Based on the PCF8591 ADC/DAC chip, this module provides 4-channel analog-to-digital conversion inputs and 1-channel digital-to-analog conversion output through an easy-to-use I2C communication interface. It is widely used for sensor interfacing, signal processing, automation, and educational electronics projects. Available at Directronics, the PCF8591 ADC/DAC Converter Module is ideal for students, hobbyists, makers, educators, and professional engineers working on embedded systems and IoT applications.

Features:

• Integrated 8-Bit Analog-to-Digital Converter (ADC)

• Built-In Digital-to-Analog Converter (DAC)

• 4 Analog Input Channels

• I2C Serial Communication Interface

• Adjustable Analog Signal Processing

• Supports Multiple PCF8591 Modules on Same Bus

• Low Power Consumption

• Compact PCB Module Design

• Onboard Potentiometer for Analog Adjustment

• LED Indicator Support

• Easy Interface with Arduino, ESP32, STM32, and Raspberry Pi

• Suitable for Sensor and Control Applications

Why Choose PCF8591 ADC/DAC Module?

• Adds analog input and output capability to digital controllers

• Reduces the need for additional ADC/DAC circuits

• Simple I2C communication requires fewer connections

• Supports multiple analog sensors simultaneously

• Useful for learning signal conversion and processing

• Ideal for beginners, students, hobbyists, and professionals

Applications:

• Analog Sensor Interfacing

• IoT Data Acquisition Systems

• Signal Monitoring Projects

• Voltage Measurement Applications

• Digital Control Systems

• Robotics Sensor Expansion

• Arduino Analog Expansion Projects

• Industrial Automation Prototypes

• Embedded System Development

• Educational Electronics Experiments

Technical Specifications:

• Product Type: ADC/DAC Converter Module

• Main IC: PCF8591

• ADC Resolution: 8-Bit

• DAC Resolution: 8-Bit

• Analog Input Channels: 4 Channels

• Analog Output Channels: 1 Channel

• Communication Interface: I2C

• Operating Voltage: 2.5V–6V DC

• I2C Address: 0x48 (Default, Configurable)

• Sampling Rate: Up to 11kHz (Typical)

• Interface Pins: VCC, GND, SDA, SCL

• PCB Type: Compact Breakout Module

• Compatible Controllers: Arduino, ESP32, STM32, Raspberry Pi

Package Includes:

• 1 × PCF8591 Analog to Digital / Digital Analog Converter Module

Related Products:

• ADS1115 16-Bit ADC Module

• BH1750 Light Intensity Module

• AHT10 Digital Temperature & Humidity Sensor

• BMP280 Barometric Pressure and Altitude Sensor

• Arduino Uno

• ESP32 Development Board

• Raspberry Pi Pico W

• Jumper Wire Bundle (40Pcs)

• Breadboard

Why Buy from Directronics?

Directronics provides quality development boards, communication modules, sensors, electronic components, robotics modules, power management solutions, and IoT products for students, makers, educational institutions, startups, and industry professionals. Explore our complete range of Arduino, ESP32, ESP8266, Raspberry Pi, power modules, motor drivers, programming tools, and embedded development products to bring your ideas to life.

Note:

Product images are for illustration purposes only. Actual module layout, pin configuration, and onboard components may vary depending on the manufacturing batch. Ensure correct VCC, GND, SDA, and SCL connections while interfacing with microcontrollers. The module provides 8-bit resolution and should be calibrated according to sensor requirements for accurate measurements.