Beetle - The Smallest Arduino
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The Story
The Beetle is the smallest Arduino Leonardo board, designed for minimalism without compromising functionality. It features an ATmega32U4 microcontroller at 16MHz, with 10 digital pins, 5 analog pins, and 4 PWM pins. Compatible with Micro USB for easy programming and testing, it's perfect for DIY projects, workshops, e-textiles, and educational use.
add_circle The Upside
- check Smallest Arduino Leonardo form factor for space-constrained projects
- check Easy programming via Micro USB without additional hardware
- check Low cost solution for disposable or educational projects
remove_circle The Downside
- close Limited I/O pins compared to larger Arduino boards
- close No built-in USB-to-serial converter (uses ATmega32U4 native USB)
- close May require additional shields for complex projects
Specifications & features
Key features
- check_circle Ultra-compact size: 20mm x 22mm
- check_circle ATmega32U4 microcontroller at 16MHz
- check_circle Micro USB connectivity for direct programming
- check_circle 10 digital pins, 5 analog pins, 4 PWM pins
- check_circle 32KB flash memory, 2.5KB SRAM, 1KB EEPROM
Specifications
Analog Input Pins
5
Clock Speed
16MHz
Digital I/O Pins
10
Dimensions
20mm x 22mm
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