The MAX7219 display can be used in conjunction with an ESP32 microcontroller to control a 7-segment LED display or an [...]
The MAX7219 is a serial input/output common-cathode display driver that interfaces microcontrollers to 7-segment numeric LED displays of up to [...]
The Arduino UNO is a microcontroller board based on the ATmega328P. It has 14 digital input/output pins, 6 analog inputs, [...]