Tiny Arduino Leonardo Compatible Board

Are you looking for a tiny Arduino-compatible board? Then check out this beetle board from PMD Way. It houses the ATmega32U4 - identical to the Arduino Leonardo - in an incredibly tiny 21x28mm PCB.

And as you can see, the PCB has a USB plug on one corner, allowing for easy code uploading - or leaving it plugged into a PC. 

This is a neat board which along with the usual microcontroller-based projects, can be used as a keyboard or mouse emulator. Ideal for personal password devices, keeping PCs awake - or practical jokes!

Inline header pins are included, but not soldered to the board.

Specifications:

• Microcontroller - ATmega32u4
• Clock Speed - 16 MHz
• Operating Voltage - 5V DC
• Digital I/O Pins - 10
• PWM Channels - 4
• Analog Input Channels - 5
• UART - 1
• I2C bus - 1
• Flash Memory - 32 KB, of which 4KB used by bootloader
• SRAM 2.5 KB
• EEPROM 1 KB