An LED-matrix clock made with Arduino, using a DS3231 RTC module and four MAX7219 LED-matrix controllers. It also has an ambient light sensor for controlling the brightness. For making the byte codes ...

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The dot matrix clock was built without the use of a regular Arduino board but uses the ATmega168 with Arduino bootloader and ... Arduino Based Dot Matrix Clock. Posted Saturday ... is worth 1, 2, 4, 8 ...

It takes a handful of LED arrays with an integrated driver, an Arduino Nano, a real-time clock module, and a voltage regulator. The software uses a custom 6×9 font and handles addressing the LEDs ...

Continue reading “Cakeday Countdown Clock Is A Sweet Little Scroller” → Posted in Arduino Hacks Tagged arduino , Arduino Uno , cake , countdown , countdown timer , DS1307 RTC , led matrix , rtc ...

Our project is infact an Arduino with Serially Interfaced MAX7219 Operates an 8X8 LED Matrix to display a heart pattern. The MAX7219 IC is a serial input/output common-cathode display driver that ...

The connection of the LED matrix and the IC was done on a customized PCB to clean up all the wires. In order to drain everything from the Arduino board, the design comes with a separate 12V power ...