{"product_id":"arduino-nano-v3-atmega328p-ch340g-usb-5v-16mhz","title":"Arduino Nano V3.0 ATmega328P — CH340G USB, 5V 16MHz, Mini\/Micro\/Type-C","description":"\u003ch2\u003eArduino Nano V3.0 — ATmega328P, CH340G USB, 5V 16MHz, Breadboard-Friendly\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eArduino Nano V3.0\u003c\/strong\u003e is a compact, breadboard-friendly development board based on the \u003cstrong\u003eATmega328P\u003c\/strong\u003e microcontroller, running at \u003cstrong\u003e5V \/ 16MHz\u003c\/strong\u003e with \u003cstrong\u003e32KB flash\u003c\/strong\u003e and \u003cstrong\u003e2KB SRAM\u003c\/strong\u003e. Using the \u003cstrong\u003eCH340G USB-to-serial bridge\u003c\/strong\u003e, it connects to any PC via Mini USB, Micro USB, or Type-C (select variant) and is fully compatible with the \u003cstrong\u003eArduino IDE\u003c\/strong\u003e and all standard Arduino libraries.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eATmega328P (Microchip)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB Bridge\u003c\/td\u003e\n\u003ctd\u003eCH340G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClock Speed\u003c\/td\u003e\n\u003ctd\u003e16MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e32KB (2KB bootloader)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSRAM\u003c\/td\u003e\n\u003ctd\u003e2KB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEEPROM\u003c\/td\u003e\n\u003ctd\u003e1KB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital I\/O Pins\u003c\/td\u003e\n\u003ctd\u003e14 (D0–D13, 6 PWM: D3\/D5\/D6\/D9\/D10\/D11)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Input Pins\u003c\/td\u003e\n\u003ctd\u003e8 (A0–A7, 10-bit ADC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUART \/ SPI \/ I2C\u003c\/td\u003e\n\u003ctd\u003e1 \/ 1 \/ 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB Connector\u003c\/td\u003e\n\u003ctd\u003eMini USB \/ Micro USB \/ Type-C (select variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage (VIN)\u003c\/td\u003e\n\u003ctd\u003e7V – 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Size\u003c\/td\u003e\n\u003ctd\u003e18 × 45mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eArduino Nano vs Arduino Uno — Which to Choose?\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eArduino Nano V3.0\u003c\/th\u003e\n\u003cth\u003eArduino Uno R3\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e18 × 45mm\u003c\/td\u003e\n\u003ctd\u003e53 × 68mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBreadboard Mount\u003c\/td\u003e\n\u003ctd\u003eDirect (DIP footprint)\u003c\/td\u003e\n\u003ctd\u003eRequires jumper wires\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Pins\u003c\/td\u003e\n\u003ctd\u003e8 (A0–A7)\u003c\/td\u003e\n\u003ctd\u003e6 (A0–A5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB Connector\u003c\/td\u003e\n\u003ctd\u003eMini \/ Micro \/ Type-C\u003c\/td\u003e\n\u003ctd\u003eType-B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMCU\u003c\/td\u003e\n\u003ctd\u003eATmega328P\u003c\/td\u003e\n\u003ctd\u003eATmega328P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePerformance\u003c\/td\u003e\n\u003ctd\u003eIdentical\u003c\/td\u003e\n\u003ctd\u003eIdentical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eCompact, breadboard projects\u003c\/td\u003e\n\u003ctd\u003eShield-based projects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose Arduino Nano V3.0?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreadboard-Friendly\u003c\/strong\u003e — 18mm width fits standard 830-point breadboard with one row free on each side for jumper wires\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 Analog Inputs\u003c\/strong\u003e — 2 more than Arduino Uno; ideal for multi-sensor data acquisition projects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact 18×45mm\u003c\/strong\u003e — Fits in tight enclosures, wearable projects, and embedded installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino IDE Compatible\u003c\/strong\u003e — Full support for all Arduino libraries; select Arduino Nano + ATmega328P (Old Bootloader)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCH340G Driver\u003c\/strong\u003e — Free driver for Windows 7–11, Linux, macOS; recognized as virtual COM port\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMulti-sensor data acquisition (DHT22 temperature, HC-SR04 ultrasonic, BMP280 pressure)\u003c\/li\u003e\n\u003cli\u003eLED matrix and 7-segment display controller\u003c\/li\u003e\n\u003cli\u003eRobot and servo motor controller (up to 6 PWM channels)\u003c\/li\u003e\n\u003cli\u003eWireless sensor node with NRF24L01, HC-12, or LoRa module\u003c\/li\u003e\n\u003cli\u003eData logger with Micro SD card module and RTC\u003c\/li\u003e\n\u003cli\u003eWearable electronics and compact IoT devices\u003c\/li\u003e\n\u003cli\u003ePID controller for temperature, motor speed, and position\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eArduino IDE Setup\u003c\/h3\u003e\u003cp\u003eBoard: \u003cstrong\u003eArduino Nano\u003c\/strong\u003e. Processor: \u003cstrong\u003eATmega328P (Old Bootloader)\u003c\/strong\u003e for CH340G versions. Install CH340 driver if not auto-detected on Windows. Upload speed: 57600 baud (Old Bootloader).\u003c\/p\u003e\u003ch3\u003ePinout Reference\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePWM Pins:\u003c\/strong\u003e D3, D5, D6, D9, D10, D11 (analogWrite() compatible)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSPI:\u003c\/strong\u003e D10 (SS), D11 (MOSI), D12 (MISO), D13 (SCK)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI2C:\u003c\/strong\u003e A4 (SDA), A5 (SCL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUART:\u003c\/strong\u003e D0 (RX), D1 (TX)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog:\u003c\/strong\u003e A0–A7 (10-bit, 0–5V range)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Why does my Nano fail to upload with ATmega328P selected?\u003c\/strong\u003e\u003cbr\u003eA: CH340G-based Nanos use the Old Bootloader. In Arduino IDE, select Processor: \u003cstrong\u003eATmega328P (Old Bootloader)\u003c\/strong\u003e to fix upload errors.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can Arduino Nano run 3.3V sensors directly?\u003c\/strong\u003e\u003cbr\u003eA: The Nano operates at 5V logic. Use a voltage divider or level shifter for 3.3V sensors. The 3.3V pin provides up to 50mA from the onboard regulator.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between Mini USB, Micro USB, and Type-C variants?\u003c\/strong\u003e\u003cbr\u003eA: Electrically identical — only the USB connector differs. Type-C is recommended for new projects for cable convenience. All variants use CH340G and ATmega328P.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1× Arduino Nano V3.0 Board (ATmega328P + CH340G)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Welding-328P-AU","offer_id":46991507685611,"sku":"14:366#Welding-328P-AU","price":13.16,"currency_code":"USD","in_stock":true},{"title":"cable","offer_id":46991507718379,"sku":"14:496#cable","price":5.84,"currency_code":"USD","in_stock":true},{"title":"NANO Shield V1.O","offer_id":46991507751147,"sku":"14:1052#NANO Shield V1.O","price":7.96,"currency_code":"USD","in_stock":true},{"title":"328P-AU and cable","offer_id":46991507783915,"sku":"14:350852#328P-AU and cable","price":16.88,"currency_code":"USD","in_stock":true},{"title":"Welding-AU and cable","offer_id":46991507816683,"sku":"14:29#Welding-AU and cable","price":17.04,"currency_code":"USD","in_stock":true},{"title":"328P-AU","offer_id":46991507849451,"sku":"14:173#328P-AU","price":12.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/atmega328p-nano-v3-development-board-ch340g-usb-5v-16mhz-microcontroller.webp?v=1761529465","url":"https:\/\/keszoox.com\/products\/arduino-nano-v3-atmega328p-ch340g-usb-5v-16mhz","provider":"Keszoox","version":"1.0","type":"link"}