The block diagram in Fig. 7 shows interfacing of MAX7219 LED dot-matrix display with STM32 microcontroller using Arduino IDE and HC-05 Bluetooth. Fig. 7: Block diagram of the Main circuit diagram for ...

MAX7219 LED Dot Matrix Display Module Circuit Diagram The module is very generic and can be made with genetic components, most of which you can find in your local hobby store. The schematic diagram of ...

These files contained in this repository are from various sources that describe Light Emitting Diode (LED) in matrix forms that are used with Arduino devices that can be adapted for use with other ...