Arduino Matrix Clock
on May 02, 2019


IMG_20181023_185808.jpg Hello !Welcome to Abid Cg creator blog . Here is a short tutorial on How To Make An Led Matrix Clock.Basically it uses the Real Time Clock Module Ds3231 and prints time in led display. I am not the creator of the whole code.All credit goes to Petan His GitHub link is Here . If you tend to make this awesome clock,let's get started now. Parts needed:

    Arduino UNO or Nano
    4 Max7219 matrix display.
    RTC ds3231
    Two Buttons
    Soldering Tools

Circuit diagram: diag courtesy www.mylms.cz



Code of the project click here

Important Notes : Please download the LedControl library from this link
Hold Two Buttons together for time setting. Use one button for increment and 
another to Set. Use a good power supply.  

Here are some pictures of my clock. 



Screenshot_2018-10-23-23-31-35 

Matrix connection.Vcc And Gnd is connected in other side. 


Screenshot_2018-10-23-23-32-12 

DC jack for 7-9v supply. dav 


Enclosed with plywood.Holes for DC jack and Usb connection. dav 



Two Buttons To Rule Them All ! IMG_20181023_231102.jpg


If you want to see more Arduino Projects Please Visit My YouTube Channel How To Make A Smart Watch With Arduino
Link