Hi, guys I just finished schematic of my custom arduino mega board, I would like your opinions and critics and what to improve, will the schematic work, what to change?
I’ll use it as rfid access control, Build-in features are:
- USB connectivity
- oled(I2C) for displaying data
- sd card to store tags
- buck convertor input 12V to 5V (will use separate one from ebay)
- prog header ICSP