- 8X8 LED grid Max7219
- Mini Breadboard
- Atmega328
- Button
http://ijhack.nl/project/ijduino
https://pad.ijhack.nl/p/ijduino
https://pad.ijhack.nl/p/20-projects-20-euro
Create a folder "ijduino" in the "variants" folder of the Arduino IDE and copy the file "pins_arduino.h" from the "hardware" folder there.
Add the text from the "boards.txt" file in the "hardware" folder to the "boards.txt" file in the Arduino IDE.