Our friend Daniel Eindhoven from Megavolts has been hard at work improving on the coil gun that we featured here before. The new circuit modifications allows the gun to fire every second now. The new halogen charge resistors look much cooler also. “At the moment the only limiting factor for fire rate is the charge time, this is the time the capacitor bank takes to get fully charged. This time
We have seen some some strange batteries before, the potato battery comes to mind. When I think of beer, electrolyte isn’t the first thing I think of but the picture above is a beer battery. Watch the video below to see the battery lighting an LED. Now it just needs to be scaled up a bit to charge an iPod. Via HG Forum “The core of this device is the
Our friends over at Gadget Gangster have recently released the El Jugador – Open-Source Game Console. If you had an old game console growing up it will probably bring back come memories. You can also see some additional information in the Instructable. Via: HG Forum “Features: Make your own games with just a little coding experience SD Card bootloader so you don’t need any special programming hardware PAL or NTSC
