/arduino-led-dot-matrix-clock

A simple LED dot matrix clock project based on Arduino Nano (ATmega328), also using a DS3231RTC module and a LDR sensor.

Primary LanguageC++MIT LicenseMIT

Arduino 32x8 LED Dot Matrix Clock

A simple LED dot matrix clock project based on Arduino Nano (ATmega328 chip).

Schematics:

Schematics

Arduino Nano 3.0:

Arduino Nano 3.0

Parts:

  • Arduino Nano 3.0 (ATmega328).
  • Real Time Clock DS3231RTC.
  • 32x8 LED Dot Matrix Display Module (with MAX7219 chip).
  • LDR sensor.

Instructions:

To set the clock, use the Arduino IDE Serial Monitor and follow on screen instructions.

Serial Monitor output:
>> Arduino 32x8 LED Dot Matrix Clock!
>> Use <dd/mm/yyyy hh:mm:ss> format to set clock's date and hour!