PCF8591 AD/DA Converter Module Analog To Digital Conversion Arduino

$7.95 Inc. GST

Availability: 17 in stock SKU: 6-3-2-2 Category:
Quantity Discount (%) Price
1 $7.95
2 - 4 5 % $7.55
5 - 9 7.5 % $7.35
10 - 19 10 % $7.16
20 - 49 12.5 % $6.96
50 - 99 15 % $6.76
100+ 17.5 % $6.56
Compare Compare


Optimized Product Description:

Unlock Precision with the PCF8591 AD/DA Converter Module for Arduino

Discover the power and flexibility of the PCF8591 AD/DA Converter Module, designed to elevate your analog-to-digital conversion experience. Whether you’re an electronics enthusiast, an Arduino aficionado, or a hobbyist, this module empowers your projects with exceptional features and seamless integration.

Key Features of the PCF8591 Module:

  • Wide Operating Voltage Range: The PCF8591 operates flawlessly within a voltage range of 2.5V to 6V, providing stability and adaptability to varying power supplies.
  • Efficient Standby Mode: Benefit from low standby current, conserving energy while enhancing performance.
  • I2C Bus Connectivity: Seamlessly manage serial input and output through the I2C bus, streamlining data communication.
  • Addressing Flexibility: Utilize the convenience of 3 hardware address pins for precise module addressing, enhancing system organization.
  • Adaptable Analog Inputs: Enjoy the flexibility of 4 programmable analog inputs, configurable as single-ended or differential inputs, amplifying versatility in signal acquisition.
  • Intuitive Channel Selection: Experience automatic incremental channel selection, simplifying the process of data acquisition.
  • Versatile Voltage Range: Cover a wide analog voltage range, from VSS to VDD, accommodating diverse input signals.
  • Enhanced Precision: Leverage the built-in track and hold circuit alongside the 8-bit successive approximation A/D converter for accurate measurements.
  • Analog Output Control: Utilize the integrated DAC gain to control analog output, tailoring results to your specific needs.

Comprehensive Description:

  1. Unleash the Potential: The PCF8591 module incorporates the potent PCF8951 chip, capable of capturing external voltage inputs within the 0-5V range.
  2. Light Sensing Capability: Seamlessly integrate photoresistors for precise environmental light intensity measurements through accurate AD conversions.
  3. Temperature Insights: Harness the built-in thermistor for capturing ambient temperature data, enhancing your project’s analytical capabilities.
  4. Voltage Input Versatility: With 1 channel of 0-5V voltage input, adjustable via the blue potentiometer, achieve versatile voltage measurements.
  5. Intuitive Power Indication: Instantly gauge module activation through the power indicator light, facilitating usage.
  6. Output Clarity: The DA output indicator light illuminates with varying brightness, directly correlating to the output voltage’s magnitude.
  7. Compact Design: The module’s PCB boasts a tidy layout, measuring 3.6cm x 2.3cm, ensuring ease of installation.

Interface Insights:

Left Side:

  • AOUT: Analog output interface for DA signal transmission.
  • AIN0, AIN1, AIN2, AIN3: Analog input interfaces for varied signal acquisition.

Right Side:

  • SCL: I2C clock interface for microcontroller IO port connection.
  • SDA: I2C digital interface for microcontroller IO port connectivity.

Power Supply:

  • GND: Ground connection.
  • VCC: External power supply interface, supporting 3.3V to 5V.

Streamlined Module Customization:

Effortlessly tailor your module’s functionality with three red short-circuit caps:

  • P4: Select thermistor access circuit.
  • P5: Opt for the photoresistor access circuit.
  • P6: Choose the 0-5V adjustable voltage access circuit.


  • Dimension: 3.5cm x 2.2cm
  • Cable Length: 20cm
  • Weight: 9g
  • Package Weight: 19g

Package Contents:

  • 1 x PCF8591 AD/DA Converter Module Analog
  • 4 x DuPont Cables

Elevate your analog-to-digital conversion capabilities with the PCF8591 module, offering precision, adaptability, and efficiency for your Arduino projects.

Additional information

Weight 20 g
Dimensions 260 × 160 × 20 mm


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.