Is the UNO Too Big? Try Porting the LCD Secondary Screen to MiniCore!

The LCD secondary screen I developed earlier was based on the Arduino UNO. I wanted to fit it into a 3D printed case, but the UNO board is a bit too large and not suitable. 😅

A year ago, I created a development board based on the ATmega8, which supports the MiniCore hardware package:

Is the UNO Too Big? Try Porting the LCD Secondary Screen to MiniCore!Is the UNO Too Big? Try Porting the LCD Secondary Screen to MiniCore!

This development board is much smaller than the UNO, so I started trying to port the previous LCD secondary screen firmware to the ATmega8.

The porting process was actually very simple:

  1. Install MiniCore in the Arduino IDE’s Boards Manager according to the MiniCore documentation;
  2. Select the ATmega8 development board in the IDE, set the serial port, choose the built-in 8MHz clock, and keep the rest as default;
  3. Compile, upload, and run! 🚀

The entire process went smoothly without any obstacles. The compiled firmware only occupied 3072 bytes of Flash space, and it ran very smoothly after wiring. 👍

Is the UNO Too Big? Try Porting the LCD Secondary Screen to MiniCore!

After slightly adjusting the display information configuration of LCD Smartie, the effect is quite good:

(End)

Related Resources:

  • MiniCore:<span>https://github.com/MCUdude/MiniCore</span>
  • LCD Secondary Screen Cross-Platform Evolution: From Linux to Windows
  • DIY Experiment: Create an LCD Computer Secondary Screen in 15 Minutes

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