PCF8591 ADC & DAC Analog to Digital and Digital to Analog Converter Module

The PCF8591 ADC & DAC Module is a versatile data acquisition device, perfect for electronics projects that require analog-to-digital or digital-to-analog conversion. It integrates four analog inputs, one analog output, and a serial I2C bus interface, allowing easy communication with microcontrollers like Arduino and Raspberry Pi. With three hardware address pins (A0, A1, A2), you can connect up to 8 PCF8591 modules on the same I2C bus without additional hardware.

Module Features:

• Chip: PCF8591
• Supports 4-way analog voltage input (0-5V)
• Integrated photoresistor for precise ambient light measurement
• Integrated thermistor for accurate temperature sensing
• 1-channel 0-5V analog input with adjustable input voltage using onboard potentiometer
• Power indicator LED for module operation
• DA output indicator LED to display output voltage level
• Compact PCB size: 3.6cm x 2.3cm, standard double-layer board with 3mm mounting holes
• Single power supply operation: 2.5V – 6V
• Low standby current consumption
• I2C serial input/output for easy integration
• Supports programmable single-ended or differential input for 4 analog channels
• Automatic incremental channel selection
• Analog voltage range: VSS to VDD
• Built-in track-and-hold circuit
• 8-bit successive approximation ADC
• 1-channel DAC output with adjustable gain

Applications and Usage Examples

This module is ideal for applications like ambient light monitoring, temperature sensing, analog sensor data acquisition, and DIY electronics projects. Its small size, low power consumption, and I2C interface make it a flexible and user-friendly solution for developers and hobbyists. Available for purchase online in Pakistan.