With Instructables you can share what you make with the world and tap into an ever-growing community of creative experts.
share what you made with text, photos, video, and files
gather your favorite instructables together
March 2014 Update! Version 5.1 of the code is out with bug fixes and a nice lower case font. Get it while it's hot! The link is on the last page of th...
So here's what you need... 2 x Model 2416 Red or Green LED Matrix Displays from Sure Electronics You can get these from Sure's eBay store for $15 e...
This diagram shows how to connect the parts. It's not too difficult, and you can try it on a breadboard first to make sure all is working. When you ar...
The displays use a serial protocol called SPI to receive data. There are only 4 wires needed between the Arduino and the first LED display. Two more...
The DS1307 clock chip keeps the time. It uses the I2C protocol and only needs 2 wires to send time data to the Arduino. Connect pins 5 and 6 from ...
Connect one push button between Arduino pin 2 and GND , the other between Arduino pin 3 and GND.
Connect the 5v and GND lines from the displays to the Arduino’s 5v and GND pins. Do the same for the 5v and GND pins from the DS1307 clock chip. We ar...
The Prototyping boards or ‘shield’ plugs into the Arduino making it easy to add components. On a standard prototyping board you should have room to so...
Here you see everything connected together. The 2 displays plug into the prototyping board which sits on top of the Arduino. Easy!
The last job is to upload the clock code. First you'll need to download the Arduino programming software, called the Arduino 'IDE'. This code was test...
We have a be nice comment policy. Please be positive and constructive.
Rainbow Mega Pong Clockby Djandco
Arduino Parola Zone Time Msg Displayby jollifactory
Binary Clock in LED Matrix 8x8 including Lunar Phaseby lagsilva
Wise Clock 3 - Arduino-based geeky alarm clockby florinc
Colorful Clockby lawliet zou
Father's day "Pong Clock"by SuperTech-IT
16x16 LED Matrixby vicatcu
Buzz Wire Alarm Clockby hertzgamma
Arduino Binary clock using LED Matrixby PM4
Download our new apps for iOS, Android and Windows 8!
© 2015 Autodesk, Inc.
By clicking "Create Account" you are indicating that you have read and agree to the Terms of service.
Already a member? Login »
Enter the email associated with your account and we will send you your username and a temporary password.
Not a member? Sign Up »