Binary clock

Tells the time in lit-up dots.

I want to build a binary clock on an Arduino Nano with an 8x8 MAX7219 LED matrix and a DS3231 real-time clock.

Buy all on Compoden (COD available)Start this build on Soldr

Parts

Arduino Nano V3 (CH340, Type-C) In stock
MAX7219 8x8 Dot Matrix LED Display Module (common cathode) In stock
DS3231 RTC Module In stock
Dupont Jumper Wire Kit (M-M, M-F, F-F, 20cm, 22AWG, ) In stock
Resistor Variety Pack - , 10 Values, 1/4W Carbon Film In stock
USB Type-C to USB-A Cable (56kΩ pull-up, 1m, 22AWG) In stock

Pins, wiring and code

The pin table, the wiring steps and the code for this build are in Soldr. Start this build on Soldr - you can change it before you buy.