GitHub

NikhilMehta1501/arduino-nano-clock

A custom clock built from scratch using an Arduino Nano, a Max7219 dot matrix display, and an RTC DS3231 real-time clock module, with a custom-designed PCB. This project is based on the Arduino Matrix ...
EDN

Arduino 8×8 LED Matrix

8×8 LED Matrix modules are now widely available, and fortunately they are easy to use with our favorite Arduino microcontroller. 8×8 LED Matrix module have many applications in real life, such as ...
EDN

8X8 LED Matrix Using Arduino Microcontroller

The circuit is driven by a MAX7219 IC that is being controlled through an Arduino microcontroller board, to create an 8X8 LED matrix. The connection of the LED matrix and the IC was done on a ...
GitHub

P10 LED Matrix Clock with DS3231 RTC

P10 Pin → Arduino Pin nOE → D9 (Output Enable, active low) A → D6 (Row select A) B → D7 (Row select B) CLK → D13 (SPI Clock) SCLK → D8 (Shift clock) R_DATA → D11 (SPI MOSI) ...
note

キーボードの音階を特定しMAX7219に表示してみました（arduino）

以前、リコーダーの音をサウンドセンサーで拾って、arduinoで音階を特定しmicro:bitに表示させてみましたが、今回は ...
Hackaday

led matrix

Over the summer [ElectroSmash] put the finishing touches on the Arduino Audio Meter, a shield for the Arduino Uno that visualizes various aspects of an incoming audio signal on a set of four 8×8 LED ...