3-Pack PCF8591 I2C ADC DAC Module For Arduino - Dope 8-Bit Analog Digital Converter Board With Four Analog Inputs And One Output, 2.5V To 6V Supply, Easy I2C Interface For Sensor Readings And LED Control
✔️ 8-bit, 4-channel ADC/DAC over I2C on 2.5V to 6V supply
Compact PCF8591 I2C ADC/DAC board combines four analog inputs and one output with an I2C interface, making it handy for microcontroller projects and sensor readouts. Use it with Arduino, Raspberry Pi, or STM32 to simplify data acquisition and LED control on a single bus.
✅ 8-bit ADC/DAC with 4 analog input channels and 1 output channel✅ I²C interface with 100 kHz standard mode
✅ 2.5V to 6V supply range and wide operating temp (-40°C to +85°C)
✅ 3-bit hardware address (A0/A1/A2) supports up to 8 devices on one bus
✅ Digital filtering to reduce noise; ~100 µs conversion time; 5V analog output
✅ 4.7kΩ pull-up resistors on SDA/SCL lines (required)
💡 What is a PCF8591 I2C ADC DAC module used for in electronics projects?
This handy board lets you read multiple analog signals and drive a small output via I2C, ideal for quick sensor experiments and LED control.
- Reads 4 analog inputs and provides 1 analog output on the I2C bus
- Works with popular microcontrollers like Arduino, Raspberry Pi, and STM32
- Supports operation from 2.5V to 6V and low standby current for long-term projects
- Allows up to 8 devices on one I2C bus using 3-bit hardware addressing