You may have seen The Batteriser in the news recently. Our friend Dave Jones takes a look at their claims and demonstrates why their claims are total junk. In their patent they use lots of generalization that are not true in reality. A good electronic designer will design a battery powered device to operate to a voltage much lower then they are stating. Dave had a ton of battery
Using a Raspberry Pi Acmecorporation made this Automatic Pet Water Bowl Project. This project is designed to keep your pet bowl filled with fresh water and also gives you the ability to keep an eye on your furry friend. The designer is a native french speaker so there are a few spelling mistakes but his English is much better than my French. 🙂 “During the summer, when i leave at
Have a look at the Flamethrower Ukulele that Caleb Kraft from Make built. Might not be the project that you want to use indoors or around anything flammable that you care about. But if you have a fire extinguisher by your side this sure would be fun to build, if you are an outdoor performer this would double as good crowd control. The system uses a modified calking gun to squeeze a
The prize this week is a HMC5883L Triple Axis Compass Magnetometer Sensor so you can add some directionality to your next project. This contest will run for one week (June 7Â – June 12, 2015). Ending time is based on central standard time. To enter, identify the item above and what it can be used for. Please do not give the answer in the comments. Send an email to contest
Mike Szczys from Hack a Day built this great low res 1 Pixel Pacman game. If you had fun playing video games from the 90s you would love this. It is a classic game of pac man built around a 32X32 RGB Pixel display and is powered by a Teensy 3.1. Â “The hardware and software running the Smartmatrix made the display portions of the project really simple. First off,
Keeping track of your pills and when to take them can be easy to forget. There are all sorts of pill storage systems but this Atmel 1284p based Smart Medicine Box project by Mingyuan Huang and Jie Zhang from the Cornell University ECE 4760 program made a proof of concept that helps with this. “There are five major components for our device, including a pill box containing seven separate small boxes; a speaker module;
This origami robot starts as a flat sheet, once heated the origami magic starts. Within a minute the robot folds itself to life. Once the structure is done it is ready to get to work. Thanks to a small built in magnet some external electrical fields allow the robot to vibrate around and get to work. It is very insect like in its movements and can actually get some
