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🚀 Elevate your innovation game with native USB wizardry!
The Arduino Leonardo A000057 is a compact development board powered by the ATmega32U4 microcontroller featuring native USB communication. It supports HID device emulation, allowing it to act as a mouse, keyboard, or virtual serial device. With 20 digital I/O pins, including PWM and analog inputs, it’s perfect for advanced robotics, automation, and embedded projects. Backed by Arduino’s extensive ecosystem, it offers unmatched flexibility and community-driven resources for professional-grade prototyping.






| ASIN | B008A36R2Y |
| Best Sellers Rank | #2,896 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Microcontrollers |
| Box Contents | Arduino Leonardo with Headers |
| Brand | Arduino |
| Brand Name | Arduino |
| CPU Model | None |
| CPU Speed | 16 MHz |
| Compatible Devices | Personal Computer |
| Country of Origin | Italy |
| Customer Reviews | 4.6 out of 5 stars 819 Reviews |
| EU Spare Part Availability Duration | 1 Years |
| External Testing Certification | Não aplicável |
| Global Trade Identification Number | 08058333491141 |
| Importer Contact Information | Robocraze, Ground Floor, 912/10 Survey no. 104 4th G street, Chelekare, Kalyan Nagar, Bengaluru - 560043 |
| Item Dimensions L x W x H | 7.6L x 2.5W x 5.1H Centimeters |
| Item Type Name | Arduino Leonardo |
| Item Weight Unit of Measure | 25 Grams |
| Manufacturer | Arduino, St. James Avenue, Boston, Massachusetts, 02116, USA |
| Manufacturer Contact Information | St. James Avenue, Boston, Massachusetts, 02116, USA |
| Manufacturer Part Number | A000057 |
| Memory Storage Capacity | 1 KB |
| Model Name | Arduino Leonardo |
| Model Number | A000057 |
| Network Connectivity Technology | USB |
| Number of Items | 1 |
| Operating System | Linux |
| Packer Contact Information | Robocraze 9902340705 |
| Processor Brand | Atmel |
| Processor Speed | 16 MHz |
| RAM Memory Installed | 2.5 KB |
| RAM Memory Installed Size | 2.5 KB |
| RAM Memory Technology | DDR |
| Total USB Ports | 1 |
| UPC | 722204635603 736104505607 701748716719 736104504761 727908488593 720405523866 722204636327 712141158563 736104505812 |
| Unit Count | 1 Count |
| Warranty Description | 1 year manufacturer |
| Wireless Compability | 802.11b |
M**.
Great for DIY projects
Good for money product
P**J
Good one, made in Italy board
Good one, made in Italy board. yet to start full-fledged testing, basic tests went fine. Looks solid. fyi usb cable not included
T**Y
Genuine product
Genuine product
R**L
Five Stars
i love it, i didnt really get it on time but its really good stuff, be sure to buy it from proto central - authorised distributor and i got very good response from them. its smaller than u think but it packs a punch
R**N
Nice Product
nice
C**N
Powerful Microcontroller With Built In USB Communication
This board is an excellent choice for custom projects that need direct USB communication. The ATmega32U4 chip makes it stand out because it can act as a keyboard or mouse without extra libraries, which opens up a lot of creative possibilities. With 20 digital I/O pins, 7 PWM outputs, and multiple analog inputs, there is plenty of flexibility for sensors, LEDs, and control devices. The headers are sturdy and make prototyping easy on a breadboard or with jumper wires. Running at 16MHz, it is fast enough for most hobby and DIY applications. Setup with the Arduino IDE was seamless and sketches upload quickly over USB. The board has been reliable during testing, and the small size makes it easy to embed into projects. A great microcontroller for makers who want more functionality than a basic Uno while still keeping full compatibility with the Arduino ecosystem
N**S
Fonctionne impeccable !
Parfait pour mes petits projets, basique mais facile d'utilisation et grand choix de composants compatible sur le net pour nos projets !
P**A
Better quality than any others. Works without grief.
Costs more. Works better. Consistantly. Nice details like labels on the headers and plastic base for mounting. Used in programable keyboard command center. Happy customer,
A**1
original y sin sorpresas
Llego a tiempo y es la placa original arduino, funcio o con solo enchufarla (bien sin el cable de datos). Todo tal cual lo esperado
A**E
USB wird zur Spielwiese
Das Board läuft stabil, lässt sich direkt über die Arduino IDE programmieren und wird vom Rechner als HID erkannt. Damit sind Tastatur- und Maus-Emulationen ohne Umwege möglich. Kein zusätzlicher Treiber, kein Gefrickel. Einfach anschließen, Code hochladen, fertig. Die Header sind bereits verlötet, was den Aufbau auf dem Breadboard beschleunigt. Für schnelle Prototypen oder kleine Automatisierungen ist das Ding ideal. Ich habe damit ein Makro-Keyboard gebaut, das Tastenkombinationen ausführt, sobald ein Taster gedrückt wird. Funktioniert zuverlässig, auch nach mehreren Stunden Dauerbetrieb. Die Stromversorgung über USB reicht aus, zusätzliche Komponenten wie LEDs oder Sensoren laufen problemlos mit. Debugging ist direkt über die serielle Schnittstelle möglich, ohne dass man sich um externe Adapter kümmern muss. Wer schon mit anderen Arduinos gearbeitet hat, kommt sofort klar. Für Einsteiger ist die Leonardo-Plattform ein guter Einstieg in HID-Projekte. Kein Schnickschnack, keine Überraschungen. Einfach ein solides Board, das tut, was es soll.
Trustpilot
1 week ago
2 weeks ago