{"product_id":"pro-mini-atmega328p-5v-16mhz-3-3v-8mhz-arduino-board","title":"Pro Mini ATMEGA328P 5V\/16MHz \u0026 3.3V\/8MHz Arduino Board","description":"\u003ch2\u003ePro Mini ATMEGA328P Development Board for Arduino Projects\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePro Mini ATMEGA328P\u003c\/strong\u003e is a compact, versatile microcontroller development board designed for makers, hobbyists, and engineers building Arduino-compatible projects. Available in two configurations — \u003cstrong\u003e5V\/16MHz\u003c\/strong\u003e and \u003cstrong\u003e3.3V\/8MHz\u003c\/strong\u003e — this board delivers reliable performance in a space-saving SMD package, making it ideal for embedded systems, prototyping, and DIY electronics builds.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Voltage Options:\u003c\/strong\u003e Choose between 5V at 16MHz for full-speed operation or 3.3V at 8MHz for low-power and 3.3V-logic projects\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eATMEGA328P Microcontroller:\u003c\/strong\u003e The same trusted chip at the core of the standard Arduino Uno, offering broad community support and library compatibility\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage Range:\u003c\/strong\u003e Accepts 3.3V to 12V input for flexible power sourcing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalog Inputs:\u003c\/strong\u003e A0–A7 analog input pins for sensor integration and data acquisition\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact SMD Package:\u003c\/strong\u003e Minimal footprint, perfect for space-constrained enclosures and wearable electronics\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e Built without flagged hazardous substances for safer handling\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino IDE Compatible:\u003c\/strong\u003e Program directly via the Arduino IDE using a standard FTDI\/USB-to-serial adapter\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\u003eMicrocontroller:\u003c\/strong\u003e ATmega328P\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage Options:\u003c\/strong\u003e 5V (16MHz) \/ 3.3V (8MHz)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 3.3V – 12V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalog Pins:\u003c\/strong\u003e A0 – A7\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e SMD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 board per order\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhat Can You Build With It?\u003c\/h3\u003e\n\u003cp\u003eThis board is perfect for a huge range of Arduino-compatible DIY builds: sensor nodes, robotics controllers, home automation modules, data loggers, LED projects, and more. Its ultra-compact form factor makes it especially popular for wearable tech and tight-space installations where a full-sized Arduino would not fit.\u003c\/p\u003e\n\n\u003ch3\u003eExplore More DIY \u0026amp; Electronics Projects\u003c\/h3\u003e\n\u003cp\u003eLooking for more tools for your builds? Check out these related products from our store:\u003c\/p\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\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the 5V\/16MHz and 3.3V\/8MHz versions of the Pro Mini ATMEGA328P?\u003c\/h4\u003e\n\u003cp\u003eA: The 5V\/16MHz version runs at full speed and is compatible with standard 5V Arduino shields and sensors. The 3.3V\/8MHz version operates at a lower voltage and clock speed, making it ideal for interfacing with 3.3V peripherals (such as certain GPS, Bluetooth, or Wi-Fi modules) and for power-sensitive or battery-operated applications.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need a special programmer or adapter to upload sketches to the Pro Mini ATMEGA328P?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Unlike Arduino boards with a built-in USB chip, the Pro Mini requires an external USB-to-serial (FTDI) adapter or a USB-TTL converter to upload code via the Arduino IDE. Simply connect the adapter to the board's serial pins (TX, RX, GND, VCC, and DTR\/RST) and select \"Arduino Pro or Pro Mini\" in the IDE.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the Pro Mini ATMEGA328P fully compatible with the Arduino IDE and standard libraries?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The board uses the same ATmega328P chip as the Arduino Uno and is fully compatible with the Arduino IDE. Simply select \"Arduino Pro or Pro Mini\" with the correct processor (ATmega328P) and matching voltage\/speed configuration when uploading your sketches.\u003c\/p\u003e\n\u003ch4\u003eQ: How many analog input pins does this board have?\u003c\/h4\u003e\n\u003cp\u003eA: The Pro Mini ATMEGA328P features analog input pins A0 through A7 (8 analog inputs), giving you plenty of connections for sensors, potentiometers, and other analog devices.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between the 5V\/16MHz and 3.3V\/8MHz versions of the Pro Mini ATMEGA328P?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 5V\/16MHz version runs at full speed and is compatible with standard 5V Arduino shields and sensors. 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