18 Feb '13, 3pm

Making a QR clock bigger, cheaper, and better

Making a QR clock bigger, cheaper, and better

With the massive response and blog cred from his QR Code clock, [ch00f] felt it was time to step up his game and update his design to a proper commercial product. His new QR clock is bigger, brighter, cheaper, and in every way better than the old version, but these improvements came at a cost . The LED matrices [ch00f] used in his earlier, smaller version weren’t very aesthetically pleasing. He wanted the lights to shine a brilliant white, and also be somewhat attractive when not illuminated. The 8×8 LED arrays [ch00f] picked up from Futurlec had a disgusting yellow coating on each LED that turned light emitted by the blue LEDs inside to a brilliant white. This simply wouldn’t do for a commercial product with [ch00f]‘s name on it, so he turned to the one place in the universe where everything was for sale: alibaba.com . After some trials and tribulations with component man...

Full article: http://hackaday.com/2013/02/18/making-a-qr-clock-bigger-c...

Tweets

LCD-based QR clock

hackaday.com 28 Feb '13, 1pm

Why do many people think everything posted to hack a day has to be a market ready product, ready for shipping with a defin...

Making a better, MIDI controlled Leslie stompbox

Making a better, MIDI controlled Leslie stompbox

hackaday.com 17 Feb '13, 1pm

Way back before the advent of commercial DSP, musicians had really cool looking gear. One of these devices to change the s...

Rail: time to put communities in control | Camp...

bettertransport.org.uk 18 Feb '13, 1pm

18 February 2013: Today's report from Which? shows passenger frustration with our rail services. But it also shows how loc...

Do Chimpanzees Have a Better Short-Term Memory Than Humans?

Do Chimpanzees Have a Better Short-Term Memory ...

ecorazzi.com 18 Feb '13, 3pm

A Japanese researcher, Tetsuro Matsuzawa, presented the remarkable capabilities of the chimpanzee Ayumu at the annual meet...

Reporters Need to Understand Advertising. But S...

battellemedia.com 18 Feb '13, 4am

(image ) I know that when I do write here, I tend to go on, and on – and those of you who read me seem to be OK with that....

I don't know. I like these better.

I don't know. I like these better.

dsw.com 19 Feb '13, 2am

Looking for a staple boot you can rock all season? The Unisa Tavi has just the right amount of details to pull your look t...

did you ever just really enjoy making a persist...

ace.mu.nu 03 Mar '13, 11pm

299 It is a condemnation of groupthink posing as the liberation of the self (eternal life through reincarnation is the dom...

Locally franchised rail services in top 4 for p...

bettertransport.org.uk 18 Feb '13, 11am

Rail: time to put communities in control 18 February 2013: Today's report from Which? shows passenger frustration with our...

Better get that typewriter fixed: It is unbelievable to many that The Malay Mail is the oldest newspaper in the

Better get that typewriter fixed: It is unbelie...

bigdogdotcom.wordpress.com 20 Feb '13, 6pm

Ter-rape and Dato’ Siew Ka Wei It is unbelievable to many that The Malay Mail is the oldest newspaper in the nation, altho...

Better prices for Hario home brewing equipment! read more here...

Better prices for Hario home brewing equipment!...

squaremileblog.com 20 Feb '13, 3pm

All our Hario home brewing equipment has been reduced in price, some up to 20%. This is simply down to the fact that the J...

15 great books for making your own gadgets

15 great books for making your own gadgets

treehugger.com 19 Feb '13, 1pm

If you're a true novice, before you head to a device-specific guide, you may want to start with what is widely considered ...

Better Torque For Better Running via @runcompetitor

Better Torque For Better Running via @runcompet...

running.competitor.com 15 Feb '13, 8pm

Better Torque For Better Running By Nate Helming Published Feb. 15, 2013 Updated 4 hours ago comments Tweet Share Share Pr...

#forwardonclimate

grist.org 17 Feb '13, 5pm

The big President’s Day rally on the National Mall is more than a Keystone pipeline protest. It’s a statement of principle...