My Programmable LED in The Best of instructables

Posted by on Nov 19, 2008 in instructable | 4 Comments

Today I received my copy of The Best of instructables, Volume 1. It’s a compilation of the best DIY projects found on the instructables site. Full of fantastic things, that you can do yourself. Flipping through the pages makes you want to go to your workbench and try them out. And on page 111, tataaa, ...

Programmable LED gallery

Posted by on Nov 28, 2007 in avr, instructable, led | 5 Comments

Back in March I published my first instructable called Programmable LED. The idea was simple, have a device that is able to record and play back light sequences. Light sequences are recorded with an LDR, a light dependent resistor and played back with an LED. After a while some users at Instructables began to rebuild, ...

Synchronizing Fireflies

Posted by on May 11, 2007 in avr, instructable, led, simulation | 21 Comments

I was always fascinated by the emergence of patterns. One I like most is the synchronization of hundreds or thousands of fireflies. First they flash randomly but after some time and influencing each other, they flash in sync. The rule behind this is very simple. All fireflies have nearly the same frequency for their flashing, ...

Programmable LED

Posted by on May 9, 2007 in avr, instructable, led | 10 Comments

Inspired by various LED Throwies, blinking LEDs and similar instructables I wanted to do my version of an LED controlled by a microcontroller. The idea is to make the LED blinking sequence reprogrammable. This reprogramming can be done with light and shadow, e.g. you could use your flashlight. How is it done? It consists of ...