Tristan has taken some EBay capacitors and some charging components to build a cool Disc Launcher. His home made coil self destructed on the last launch but it worked very well till that point. “This project was started in Spring of 2006. I had taken a several year break from working on any HV / EMP project. In that time I was changing jobs, getting married, and buying a
Sanjiv Dutta saved some money when he decided to make this LED Based Handycam Light instead of going to the store and buying one. It looks very bright and based on the pictures on his site (scroll to the bottom) it seems to work very well! "I have come with a naive solution, but a working one. I put resistors to drop the supply voltage when needed, by means of
After looking at a few DIY flashlights that included the Hacked Gadgets Mouse Light the Garage Door Remote Flashlight was an obvious progression! This hack looks great, I will have to keep my eye open when I go to my next garage sale. “I took the circuit board from the case, snapped the case back together and used a drill press to make the two holes. I then soldered the
You may remember the first RGB light from tobe.nimio.info. They have made a new and improved version. A schematic is also provided. “After making my pyramid mood light with 12 high power leds, i decided to make a bigger and better version, without the emphasis on the low budget.. After all, the pyramid mood lamp was more of a proof of concept with its shortcomings. I wanted the new
Are you tired of your Bluetooth head-set looking like all the rest? Why not go retro. “Now what to do with all those old analog phones you have stuffed away in you attic? Well I will tell you, you combine your Bluetooth headset with it. Ingredients: 1 old style analog phone 1 Bluetooth headset 1 soldering iron (small tip preferred) some solder various screwdrivers hot glue gun some stranded wire
Here is a super simple phone busy indicator. It should only cost a few dollars to build! “Have you ever been using the modem or fax and someone else picks up the phone, breaking the connection? Well, this simple circuit should put an end to that. It signals that the phone is in use by lighting a red LED. When the phone is not in use, a green LED is
Could this be the Gym of the future? It is an interesting idea. “What about creating green gyms where people pay their memberships as normal, but then use swipe cards before and after they get on the machines. The difference here is that the machines would all be linked to a large central generator, so if you are really working out you will be generating much more energy than is
