Assume that you are moving towards a complex microcontroller project bundled with blinkers, beepers, and a display panel. To link a standard 16×2 LCD directly with the microcontroller, for instance ...

Use testing mode in order to show "hello world" on the screen at arduino startup : Verify contrast (it could be too low preventing you to see text), you can adjust contrast using the blue ...

I am an experienced embedded software engineer (and Professor) and I was shocked at how difficult this was. Using these devices on Arduino with the Arduino IDE "just works." Pain points for ESP-IDF ...