LED Matrix Clock Project #ArduinoMicroMonday

Zoe RomanoJanuary 27th, 2014

Martin_Atkins Matrix

Martin Atkins built this great LED matrix clock using an Arduino Microa few bicolor LED matrix displaysdisplay drivers, and a real time clock module Chronodot:

Finally found some time today to solder the parts onto my first OSH Park PCB. The primary motivation for this was to learn Eagle and try out OSH Park, so I wanted to make something with only components I’d already purchased, and that’s why it has a whole Arduino Micro attached to it even though a smaller board (or even just a lone microcontroller) would’ve been sufficient. I didn’t get the displays lined up quite right, so there’s a small gap between them that looks obvious in this photo but isn’t so bad if you’re further away and looking at it head-on. But my learning for next time is to watch out for the positioning of odd-sized components.

2 Responses to “LED Matrix Clock Project #ArduinoMicroMonday”

  1. nhadatgovap Says:

    that is great

  2. silver345 Says:

    Hi Martin,

    first: sorry for my bad English. I found your project and it is very
    interesting. I try the same thing. In the moment I use CronoDot, 4 8×8 monochrome DotMatrixes with driver (Adafruit) and MEGA ADK. I solved your problem with gap between chars: I shift information to display into an array (unsigned long pixels[8]). Shifting depends from char width. After shifting is finished I split this big array into 4 small array and send this data over i2c. It works.

Leave a Reply

You must be logged in with your Arduino account to post a comment.

Please enter a valid email to subscribe

Confirm your email address

We need to confirm your email address.
To complete the subscription, please click the link in the email we just sent you.

Thank you for subscribing!

Arduino
via Egeo 16
Torino, 10131
Italy