The Arduino A000052 Board Leonardo without Headers is manufactured by Arduino and features the ATmega32U4 microcontroller. It offers 20 digital input/output pins and is ideal for embedded projects requiring USB communication. Common applications include interactive installations and educational purposes. https://elecena.pl/product/28970933/arduino-a000052-leonardo-microcontroller-board-atmega32u4-no-headers 2025-06-17 https://elecena.pl/product/28970933/arduino-a000052-leonardo-microcontroller-board-atmega32u4-no-headers 2026-04-17