Frequently Asked Questions
Which library does this use?
The built-in Arduino_LED_Matrix library that ships with the UNO R4 board package.
What is the difference between the two code options?
loadFrame() takes 3 compact 32-bit numbers. renderBitmap() takes a readable 8×12 array of 0s and 1s. Both show the same picture.
Educational use only. Results are estimates from standard formulas and typical values, provided "as is" without warranty. Always check your part's datasheet and follow safety precautions. Arduino, ESP32, ESP8266 and Raspberry Pi are trademarks of their respective owners; TechsPassion is not affiliated with them. See the full disclaimer.