{"product_id":"pcf8591-ad-da-conversion-module-digital-analog-converter","title":"PCF8591 AD\/DA Conversion Module – Digital \u0026 Analog Converter","description":"\u003ch2\u003ePCF8591 AD\/DA Conversion Module – Versatile Digital\/Analog Converter\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePCF8591 AD\/DA Conversion Module\u003c\/strong\u003e is a compact, high-performance analog-to-digital and digital-to-analog converter designed for electronics hobbyists, engineers, and students working with microcontrollers and embedded systems. Whether you're building a temperature sensor circuit, measuring light intensity, or experimenting with analog signal processing, this module delivers reliable and precise results every time.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing the popular \u003cstrong\u003ePCF8591 IC\u003c\/strong\u003e, this SMD-packaged module communicates via the I²C interface, making it straightforward to integrate with Arduino, Raspberry Pi, and other popular development platforms. With four analog input channels and one analog output channel, it opens up a wide range of sensing and signal generation possibilities for your projects.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-Channel Analog Input \/ 1-Channel Analog Output:\u003c\/strong\u003e Simultaneously read multiple analog signals and generate a DAC output — ideal for multi-sensor setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI²C Communication Interface:\u003c\/strong\u003e Simple two-wire protocol (SDA + SCL) for easy integration with Arduino, Raspberry Pi, STM32, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8-Bit Resolution:\u003c\/strong\u003e Provides 256-step resolution for smooth and accurate analog readings and output generation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOn-Board Sensors:\u003c\/strong\u003e Includes a photoresistor (for illumination measurement) and a thermistor (for temperature measurement) for instant hands-on experimentation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOn-Board Potentiometer:\u003c\/strong\u003e Allows manual analog input signal adjustment directly on the module.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSMD Package:\u003c\/strong\u003e Compact form factor fits neatly into breadboards and custom PCB layouts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Works seamlessly with 3.3V and 5V systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand new.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIC:\u003c\/strong\u003e PCF8591\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e I²C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eADC Resolution:\u003c\/strong\u003e 8-bit (0–255)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalog Input Channels:\u003c\/strong\u003e 4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalog Output Channels:\u003c\/strong\u003e 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e SMD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Module\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat Can You Do With It?\u003c\/h3\u003e\n\u003cp\u003eThis module is perfect for a wide variety of DIY electronics and learning projects:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTemperature monitoring with the on-board thermistor\u003c\/li\u003e\n  \u003cli\u003eLight level detection with the built-in photoresistor\u003c\/li\u003e\n  \u003cli\u003eAnalog joystick or potentiometer reading\u003c\/li\u003e\n  \u003cli\u003eDAC waveform generation (sine, sawtooth, triangle waves)\u003c\/li\u003e\n  \u003cli\u003eGeneral-purpose analog signal interfacing for microcontrollers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What microcontrollers are compatible with the PCF8591 AD\/DA Conversion Module?\u003c\/h4\u003e\n\u003cp\u003eA: The PCF8591 module uses the standard I²C protocol, making it compatible with a wide range of microcontrollers and single-board computers including Arduino (Uno, Nano, Mega), Raspberry Pi, STM32, ESP8266, ESP32, and virtually any platform that supports I²C communication.\u003c\/p\u003e\n\u003ch4\u003eQ: How many analog channels does the PCF8591 module support?\u003c\/h4\u003e\n\u003cp\u003eA: The PCF8591 AD\/DA module supports \u003cstrong\u003e4 analog input channels\u003c\/strong\u003e and \u003cstrong\u003e1 analog output channel\u003c\/strong\u003e, all accessible via the I²C two-wire interface. This makes it ideal for reading multiple sensors simultaneously while also outputting a DAC signal.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use this module for temperature and light measurement right away?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The PCF8591 module comes with an on-board thermistor for temperature measurement and a photoresistor for illumination\/light level measurement, so you can start experimenting immediately without additional components.\u003c\/p\u003e\n\u003ch4\u003eQ: What voltage does this module operate on?\u003c\/h4\u003e\n\u003cp\u003eA: The PCF8591 conversion module is compatible with both 3.3V and 5V supply voltages, making it flexible for use with a wide variety of development boards and embedded systems.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What microcontrollers are compatible with the PCF8591 AD\/DA Conversion Module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The PCF8591 module uses the standard I²C protocol, making it compatible with a wide range of microcontrollers and single-board computers including Arduino (Uno, Nano, Mega), Raspberry Pi, STM32, ESP8266, ESP32, and virtually any platform that supports I²C communication.\"}}, {\"@type\": \"Question\", \"name\": \"How many analog channels does the PCF8591 module support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The PCF8591 AD\/DA module supports 4 analog input channels and 1 analog output channel, all accessible via the I²C two-wire interface. 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