Mincior over at Electroni-city built this DIY TOP242 power source for 10W LEDs : Inside the case of a regular wall charger with a 500mA transformer I’ve built a source in commutation for powering 10W LEDs by using a TOP242 integrated circuit in the primary part and the LM393 dual comparator on low voltage.
Tag Archives: power source
New Scientist TV: How to hack a snail to create a living battery
Dan Mikesell writes in Hacker Space Seoul- Open group: ‘this is some serious mad scientist hacking‘ In this exclusive video, you can watch how the animal was turned into a power source. Through slits cut in its shell, electrodes coated with enzymes are implanted in its body. Glucose and oxygen in the snail’s blood become fuel […]