2 layers78 × 55 mm

Emtpy boomerang shield template
bazsimarkus/avr-basic-sbc
An ATmega1284P-based single board computer with composite video output, PS/2 keyboard input, running Tiny BASIC.
11 parts
Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.

bazsimarkus/avr-basic-sbc
An ATmega1284P-based single board computer with composite video output, PS/2 keyboard input, running Tiny BASIC.

bazsimarkus/avr-basic-sbc
An ATmega1284P-based single board computer with composite video output, PS/2 keyboard input, running Tiny BASIC.

bazsimarkus/a277d-led-tachometer
An analog LED tachometer controlled by an East German A277D chip (clone of UAA180), featuring an integrated ATtiny13A-based digital ignition pulse generator for testing.