Youritronics member Florin brings you a wonderful design that enables you to add an Auto-OFF feature for 15 mins in your old and cheap digital multimeter(DMM). With this you can save your battery consumption even if you forgot to turn-OFF your DMM. To add the Turn-OFF feature, you will be requiring a very few components like – microcontroller [...]
Laughingsquid member EDW Lynch reported the new design concept of Air-Free Tire by Bridgestone. This Air-Free Tire is basically an airless tire design concept that relies on thermoplastic resin spokes to give the tire its shape and flexibility. This newly designed tire is 100% recyclable. Currently the holders of lightweight carts and personal mobility devices can be [...]
Check out this wonderful project that you can use to automate your home using voice commands without spending big bucks. To build this, you will only require few popularly used components like: a VRbot voice recognition module an AVR ATtiny2313 a 433MHz RF send module low-cost wireless light swiches (or relays) VRBot speech recognition module is basically the [...]
Check out this Pulse Sensor which monitors Heart Beats and easily interfaces to an Arduino. This could be used for lots of creative applications. Think of cool clothing that blinks to your heart beat. It would be neat for fitness instructors to be able to look at the ear lobe of their students to [...]
CdS (Cadmium Sulfide) photo-resistors are fairly cheap and widely used light detectors. Since CdS cells contains Cadmium, a toxic heavy metal, has now become hard to find. The reason is because of the RoHS directive. Electronics-lab has reported an excellent alternative for CdS that is more versatile and cost-effective. The idea is that when you are building a micro-controller [...]
GelSight, a new 3D surface sensing material can be used to visualize and measure surfaces. Zedomax member reports that GelSight is a pretty top-notch stuff that can detail at even microscopic levels. “The optical property of the material is making it very complicated to see the surface structure”, said Johnson, co-founder of GelSight, Inc. For [...]
Instructables member Dimovi shares a wonderful hack where you can turn your old LCD monitor into a privacy monitor! The crazy thing with this privacy monitor is that it looks all white to everybody except you, because you are wearing “magic” glasses! People might think you are crazy, staring at a blank white screen wearing sunglasses! But [...]
Have you ever heard of a walking machine made from bent wires and run by a single 1.5V AA battery wherein the motor and battery can rotate with crank? Hackolog member brought this amazing concept, where you can build your own walking machine just by using fewer components. You can start by connecting the motor to the crank to [...]
Last weekend I spoke at Paulo Blikstein’s FabLearn symposium at the Center for Educational Research at Stanford. Paulo has a well-equipped fabrication lab (Transformative Learning Technologies Lab) and a gaggle of great graduate students, and a mission to engage young … Continue reading →