To be efficient solar panels should track the sun. This Self Powered Solar Tracking System by ahmadbakri13 of the Palestine Polytechnic University looks to work very well. There is not much details about it though. Hopefully the creator can share a bit more about the inner workings. It is probably similar to other solar tracking systems that we have featured here before though. "2 DOF solar tracker based on
Here is an interesting project that allows you to have the look of a flickering candle without the issues of open flames. There is an Instructable for the project here and more details over at Gadget Gangster. "The fakenflicker is a tiny, battery powered candle simulator. 3 colored LED’s authentically flicker and fade, just like a real candle, controlled by a PICaxe 08M. This project was designed by propellanttech.
The prize this week is a loupe magnifier. This contest will run for one week (Nov 21 – 27, 2009) . Ending time is based on central standard time. To enter, identify the item pictured above and give an example of what can be done with it. Please do not give the answer in the comments. Send an email to contest @ hackedgadgets.com with “Name the Thing Contest” as the
Prototyping circuit designs are usually needed even after a circuit design has been developed in conjunction with a circuit simulator. Bruce Heran built this Vacuum Tube Prototyping Design Board to allow to test designs quickly and easily. "I have frequently found that the models do not agree with the final build. Some are right on, but most are off enough to turn a good idea into a waste of
A simple game is always much more fun when it is spiced up with some cool electronics. The wooden tilt maze game has been around for a long time. This Marble Maze that is Remote Controlled using an Accelerometer kicks up the original game by allowing the player to interact with the game using a controller that moves the real game according to user movements. Have a look at
How many times were you left frustrated trying to change the channel on the TV just to realize that the batteries are dead. Of course there are no more batteries in the house so you are forced to steal the batteries from a lesser used remote. Even more frustrating is when you need to use the remote that had the batteries robbed out of them. This problem may be
This video shows how the common pole transformer is made. Overall it is a simple process. If you can get one of these you could also have some dangerous high voltage fun. The video below shows how a transformer works.
