Meet my DIY ATmega Microcontroller Board
[Sunday, 14th September 2025]

Here's my board with an ATmega 1284p and a blinking LED on it:

ATmega 1284p Breadboard

It has an USB-UART interface and can be made Arduino-compatible by flashing an appropriate bootloader onto. If you want to know how to build and program it, go to the project page:

ATmega_pt1