Arduino UNO together with Matrix Display MAX7219 using the u8g2 library to create a "counter" project, that you can use for example to count your youtube subscribers.
YOUTUBE VIDEO: https://youtu.be/jlhcDzS17vU
WOKWI PROJECT: https://wokwi.com/projects/359980815913263105
Links from the video:
- LED Matrix display: https://s.click.aliexpress.com/e/_DlnFAYz
- Arduino UNO: https://s.click.aliexpress.com/e/_AXDw1h
- Arduino UNO MINI: https://store.arduino.cc/products/uno-mini-le
- Arduino breadboard prototyping shield: https://s.click.aliexpress.com/e/_ApbCwx
- Photopea (online Photoshop-like tool): https://www.photopea.com/
- image2cpp (convert images into C code): https://javl.github.io/image2cpp/
- Starting sketch: https://github.com/olikraus/u8g2/blob/master/sys/arduino/u8g2_full_buffer/MAX7219_U8g2/MAX7219_U8g2.ino
- WOKWI display documentation: https://docs.wokwi.com/parts/wokwi-max7219-matrix
- U8g2 + Matrix display screenshot: https://github.com/olikraus/u8g2/wiki/gallery#28-may-2017-max7219-32x8-led-matrix
- U8g2 fonts: https://github.com/olikraus/u8g2/wiki/fntlist8#7-pixel-height
- Desmos online graphs: https://www.desmos.com/calculator?lang=en
- LCD Image converter: https://lcd-image-converter.riuson.com/en/about/
Related videos with similar dot matrix displays:
- 51 years old display! - https://youtu.be/PBaL9w5w-2c
- 1 DISPLAY 3 SENSORS - https://youtu.be/lj_7UmM0EPY
- DIY Battery Indicator - https://youtu.be/Mq0WBPKGRew
- Smooth Arduino 16x2 Gauge - https://youtu.be/cx9CoGqpsfg
- Arduino Gauge in 11 Minutes - https://youtu.be/upE17NHrdPc
Screenshots from the video:
