Arduino Boards & Compatible

About

Arduino Boards & Compatible — Uno R3, Nano, Mega 2560, Leonardo Arduino-compatible development boards are the foundation of electronics prototyping and education worldwide. This collection covers the full range of Arduino-compatible boards available at Keszoox — from the classic Uno R3 to the compact Nano, the powerful Mega 2560, and the HID-capable Leonardo. All boards are compatible with the Arduino IDE and the vast Arduino library ecosystem. Arduino Uno R3 ATmega328P @ 16MHz, 32KB flash, 2KB SRAM 14 digital I/O pins (6 PWM), 6 analog inputs ATmega16U2 USB interface — reliable USB communication The standard platform for Arduino tutorials, shields, and education Arduino Nano ATmega328P @ 16MHz in a compact 18×45mm form factor CH340G or CH9102X USB — breadboard-friendly pin layout Mini USB or Type-C connector options Ideal for space-constrained projects and breadboard prototyping Arduino Mega 2560 ATmega2560 @ 16MHz, 256KB flash, 8KB SRAM 54 digital I/O pins (15 PWM), 16 analog inputs, 4 UARTs For large projects requiring many I/O pins or multiple serial ports Arduino Leonardo ATmega32U4 @ 16MHz with native USB — appears as keyboard/mouse to host PC For HID projects: custom keyboards, game controllers, USB automation All boards are Arduino IDE compatible and work with the full Arduino library ecosystem. In stock and ready to ship.