So you need to hear the secrets that are being spilled in the building across the street? If the conversation is happening over the phone you could build a DIY Telephone Listening Bug and tune into the conversation on a radio but what if the conversation is happening between two people in the room? The answer is a Laser Listening Device, we have featured one of these DIY Laser Listening
Sacha De’Angeli from ChemHacker has released the schematics and source code of the Scanning Tunneling Electron Microscope. The STM is Arduino based and has been a build in progress for quite a long time now. Looks like it is at a great state now! See the Wikipedia page for more generic information about Scanning Tunneling Electron Microscopes. “The STM is based on the concept of quantum tunneling. When a conducting
Who says that cool things can’t be made using bubble gum and Popsicle sticks. 🙂 This PIC Microcontroller Based Writing Robot is much more than a collection of gears, drinking straws and string, watch the video as David who built the robot is able to make the robot draw with a pen.
If you are thinking about Halloween already have a look at the Remote Control Halloween Skeleton Riding a Skateboard that Rodger Cleye put together. If the Skeleton isn’t scary enough have a look at the model that he stuck onto the board. Not sure which one would scare the kids more?
Have a look at this crazy University of Pennsylvania Quadrotor, just think about the issues getting stable flight not to mention the flight recovery this Quadrotor is capable of. Via: Make and Engadget
Jason sent in his latest creation, it’s a 1.25kJ Coilgun. Check out the cool video of it below, you will get a good overview of how it works and see it in action. I like the fact that he is re-using some parts in the build like the cell phone charger for some of the low voltage circuit needs. By the looks of the damage caused by the gun I
Instructables member drj113 has put together a powerful Networked DIY Watering Controller. It has a AtMega168 at its heart and uses a RTC to keep accurate track of time. Where I live there is no restrictions on lawn watering but this is a good flexible system that can save you costly fines if your area imposes lawn watering restrictions. “The sprinkler controller is built on the base of my Adruino
