Happy Holidays!

 

Here's a really fun Christmas-themed project. It's an all-digital-hardware LED Christmas tree we're calling the Christmas Tree O'Digital Logic. The tree itself is composed of 64 LEDs built into a spiral sitting on a piece of protoboard. Underneath, the controller uses shift registers and a 555 timer to create two modes of display: a predictable pattern and a random pattern.

 

More Details (Schematic/Build Log):

We're also running a Kickstarter campaign to fund our second free online electronics course, "An Introduction To Digital Electronics." We have just 4 days left to raise $2,124. We're trying to spread the word about our efforts and need everyone's help!

Kickstarter Link:


Hope you guys like this project!
Chris @ PyroElectro.com

Views: 55

Tags: 7400, LED, digital, hardware, logic, registers, series, shift

Comment by Marcelo Rodrigues on December 18, 2012 at 7:31am

What a nice project! :)

Comment by Chris @ PyroElectro.com on December 18, 2012 at 7:36am

Thanks Marcelo...no microcontroller necessary! ;-)

Although adding a microcontroller could give you a lot better control, we were trying to focus on an all-hardware design approach to give people interested in our kickstarter an idea of what is possible.

Comment

You need to be a member of GarageLab (arduino, electronics, robotics, hacking) to add comments!

Join GarageLab (arduino, electronics, robotics, hacking)

Latest Activity

GarageLab posted a blog post

Google Project Wing Drone Delivery Service: An Endless Waltz of Packages

Like Amazon, it appears Google has been mulling the use of drones to deliver goods. The company…See More
18 hours ago
Veritus posted photos
22 hours ago
Profile IconRajeevalochana U R, xavier, Jon Maguire and 1 more joined GarageLab (arduino, electronics, robotics, hacking)
23 hours ago
GarageLab posted a blog post

Homemade guitar looper with Arduino

Here is how to produce pedalboard for electric guitar. The idea is to connect pedals to the…See More
Friday
GarageLab posted a blog post

Next generation thrusters for marine robotics

Rustom Jehangir, Joe Spadola and Josh Villbrandt want to further the field of marine robotics. They…See More
Thursday
Profile IconCeline Buline Forma and Gilmar Barbosa joined GarageLab (arduino, electronics, robotics, hacking)
Wednesday
Gilmar Barbosa replied to GarageLab's discussion Show your lab!
Wednesday
GarageLab posted blog posts
Wednesday
Profile IconMichael Tria, Carl C Sartin and Oswaldo Machado joined GarageLab (arduino, electronics, robotics, hacking)
Aug 26
GarageLab posted a blog post

Pressure Gauge Modded to Measure Internet Usage

The appeal of having a 100 year old gauge on the wall that shows the current Internet usage is hard…See More
Aug 25
GarageLab posted blog posts
Aug 22
Profile IconAngelo Zanellato and Allan Byres joined GarageLab (arduino, electronics, robotics, hacking)
Aug 21
Shannon Bradley commented on GarageLab's blog post Company creates device that recharges smartphones ultrasound
" I have been having good results out too ten to twenty miles. I'm about to fix this…"
Aug 21
GarageLab posted blog posts
Aug 21
Marcelo Rodrigues commented on Marcelo Rodrigues's blog post Arduino generated VGA (color) signal - Complete!
"Jay, Here it is. Enjoy! "
Aug 20
Jay Curtis commented on Marcelo Rodrigues's blog post Arduino generated VGA (color) signal - Complete!
"Hey, great stuff! Found this site through searching for a solution to get VGA to work with LCD and…"
Aug 20
GarageLab posted a blog post

Omote uses light to project virtual makeup and real-time animations on your face

A team of artists and computer graphics designers have created a projection mapping system that you…See More
Aug 19
Jay Curtis is now a member of GarageLab (arduino, electronics, robotics, hacking)
Aug 19
GarageLab posted blog posts
Aug 18
GarageLab posted blog posts
Aug 14

© 2014   Created by Marcelo Rodrigues.

Badges  |  Report an Issue  |  Terms of Service