Check out this Self-flying Drone Avoids Obstacles at 30 Miles per Hour. It looks like this technology is is not just for smart cars trying to avoid pedestrians and parked cars. CSAIL PhD student Andrew Barry has made this project open source for everyone to benefit from. It can fly through the treetops and dynamically avoid branches and tree trunks. It does this by using a stereo vision system.
If you need to shoot your WIFI further than your regular WIFI can reach you can look into building this 2.4GHz Waveguide Cantenna with Circular Polarization to give you a boost in range. “I decided to use a cloverleaf antenna as the driven element with a toilet brush holder as the waveguide. It must be noted that the waveguide in this version is not physically connected to the driven
If you are looking for the latest in personal mobility have a look at the Omni Hoverboard. At first I was thinking this video was faked, but in fact this board is real and has recently won a Guinness World Record. Looks very tricky to fly around and as we can see the trials are being done over water for safety. I would have thought plunging into water would not be
Have a master lock that you forgot the combination to? Samy Kamkar shows us how to get in with a nice little motorized combo lock cracking device “Combo Breaker is a motorized, battery powered, 3D printed, Arduino-based combination lock cracking device. It is portable, open source, 3D models provided, and exploits a new technique I’ve discovered for cracking combination locks in 8 attempts or less, but in an even
Hobby King is doing their Beer Lift contest again. There are lots if great fun entries to watch! Lots of great successes and some failures. “It’s that time of the year again… it’s time to lift some beer! You’ve all seen this one before and it’s time to get your entries in. For those who haven’t experienced the HobbyKing Beer Lift it’s simple, the one who lifts the most
CNLohr has been playing with the popular addressable WS2812B LED lights and the powerful (and cheap) ESP8266.
Pi is a very interesting number that comes up in many formulas. Did you know that you can calculate it using a swinging pendulum?
