Archive for date: October 31, 2011

A Halloween Treat: What to do in a Zombie Attack

October 31, 2011 | Link of the Day | By: Mark VandeWettering

Happy Halloween everyone! I’ve kind of got zombies on the brain, which is better I suppose than having zombies munching your brain. I blame it all on the crew for the Zombie Tech podcast, despite their excellent taste in guests. Luckily, there is all sorts of good information on what to do in a Zombie […]

A Constant Current LED Driver…

October 31, 2011 | electronics | By: Mark VandeWettering

While tinkering with my ATtiny13 Pumpkin Project, I ended up using a fairly inefficient circuit: the same amount of power is dissipated in the current limiting resistor as in the LED itself, which mean that at best, the efficiency would turn out to be around 50%. In reality, some power is consumed by the switching […]