MAX7219 dot matrix module: It consists of one 8x8 common cathode dot matrix 1088AS and one MAX7219, and communicates with the microcontroller via SPI. MAX7219 is a small serial input/output chip for ...

D3 -- Green -- Arduino Pin 0 (active Low) D4 -- Blue -- Arduino Pin 1 (active Low) D2 -- Green -- Arduino Pin 13 -- LED_BUILTIN (active High) It also has 3 NeoPixel LEDs connected to Arduino Pin 2.

In the previous tutorial, we have seen how to install the Arduino IDE, configure or install the required USB drivers and also the basic setup of the IDE for the Arduino board to be recognized by the ...

This program is a basic example of how to use the on-board LED in pure Arduino. If you would like an overview of the different options on the ESP32-C6 I have an overview of my different example ...