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  1. Parts
  2. /Boards
  3. /Arduino boards

Arduino Leonardo

OverviewAlternates
Arduino Leonardo - Arduino - 8058333491141

ATmega32U4-based board with 20 digital I/O pins (7 PWM), 12 analog inputs, 16 MHz, native USB (keyboard/mouse/CDC), and Micro USB connector. 5 V operating voltage; 32 KB flash (4 KB bootloader), 2.5 KB SRAM.

Parts tray full · 5 max · remove a part to add another
Arduino Leonardo — Arduino — 8058333491141

Offers

  • Adafruit$22.50
  • Arduino
  • DFRobot$24.90
  • Pimoroni£22.20

Offers

  • Adafruit$22.50
  • Arduino
  • DFRobot$24.90
  • Pimoroni£22.20

Workbench essentials

82 other options

Peltier TEC modules, heatsinks for Raspberry Pi and Jetson boards, PTC heaters, laser diodes, LilyPad sewable LEDs, conductive stainless thread, nOOds LED filaments, and thermal paper rolls.

View all 82
  • 1 Watt Cool White LED - Heatsink Mounted visual preview

    1 Watt Cool White LED - Heatsink Mounted

  • 5.5W High Bright LED - Warm White visual preview

    5.5W High Bright LED - Warm White

  • 5mm LED Pack (50 PCS) visual preview

    5mm LED Pack (50 PCS)

    $3.40
  • 5mm Triple Output LED RGB - Common Anode (20 PCs) visual preview

    5mm Triple Output LED RGB - Common Anode (20 PCs)

  • Adafruit LED Sequins - Ruby Red - Pack of 5 visual preview

    Adafruit LED Sequins - Ruby Red - Pack of 5

  • Adafruit nOOds Flexible LED Filament - 12V 600mm - Pink visual preview

    Adafruit nOOds Flexible LED Filament - 12V 600mm - Pink

    $14.95
  • Adafruit nOOds Flexible LED Filament - 24V 1.2m - Pink visual preview

    Adafruit nOOds Flexible LED Filament - 24V 1.2m - Pink

    $19.95
  • Adjustable Compartment Parts Box - 10 Compartments visual preview

    Adjustable Compartment Parts Box - 10 Compartments

  • AL Heat Sink (With adhesive tape) - 13*13*7mm visual preview

    AL Heat Sink (With adhesive tape) - 13*13*7mm

  • Aluminum Active Cooler for LattePanda Mu Compute Module visual preview

    Aluminum Active Cooler for LattePanda Mu Compute Module

  • Aluminum Alloy CNC Heat Sink with PWM Fan for Raspberry Pi CM4 Module visual preview

    Aluminum Alloy CNC Heat Sink with PWM Fan for Raspberry Pi CM4 Module

  • Aluminum Fanless Heatsink for LattePanda Mu Compute Module visual preview

    Aluminum Fanless Heatsink for LattePanda Mu Compute Module

Related groups

4 groups
10 I/Os PLC Module - CPU Arduino Nano (Optoisolated Output) visual preview
10 I/Os Relay Module - CPU Arduino Nano (Relay Output) visual preview
Adafruit METRO 328 - Arduino Compatible - with Headers visual preview
Adafruit Metro Mini 328 V2 - Arduino-Compatible - 5V 16MHz [STEMMA QT / Qwiic] visual preview

Arduino

About 75 boards across every Arduino generation: 5V Uno/Mega/GIGA, 3.3V MKR and Portenta, plus DFRduino and Bluno compatibles. Confirm the voltage rail before stacking any shield.

Boards · Arduino boards · 77 parts

[EOL] M5Stack Cardputer with M5StampS3 v1.1 visual preview
[EOL] M5StickC ESP32-PICO Mini IoT Development Kit visual preview
10 I/Os Relay Module - CPU ESP32 (Relay Output) visual preview
Adafruit ESP32 Feather V2 w.FL Antenna - 8MB Flash + 2MB PSRAM visual preview

ESP32

Wi-Fi and Bluetooth on a single chip, in every shape from Espressif DevKitC to Adafruit Feathers with STEMMA QT, DFRobot FireBeetles tuned for battery life, and Seeed XIAOs under a thumbnail.

Boards · ESP32 boards · 142 parts

15x7 CharliePlex LED Matrix FeatherWing - Cool White visual preview
15x7 CharliePlex LED Matrix FeatherWing - Warm White visual preview
16-Ch High Current Driver Shield Kit v2 visual preview
19V 90W AC/DC Adapter for LattePanda Mu Full-Function EVA Carrier Board visual preview

Add-ons

About 270 add-ons across Pi HATs, Arduino shields, and FeatherWings. The same function — motor control, PoE, display — usually ships once per host connector family. Get the host board right first.

Boards · HATs, Shields & add-ons · 270 parts

:MOVE mini MK2 buggy kit visual preview
16-Ch Servo Driver Breakout for micro:bit, I2C visual preview
2x40 Right Angle Edge Connector for micro:bit visual preview
32F429IDISCOVERY / STM32F429I-DISC1 Discovery Kit visual preview

Other MCUs

Specialists: Teensy for high-clock audio and USB, Adafruit SAMD boards running CircuitPython or the Arduino IDE, proper STM32 eval kits, and the micro:bit classroom ecosystem. Schematik builds target ESP32, Arduino Uno, and Pico; come here when you have a specific reason to.

Boards · Other MCU boards · 225 parts