Let's Make Robots!
A small remote-controlled truck, made of simple parts. Battery Li-Pol 70 mA, motors from old mobile phones, the PIC microcontroller 12F629A. Size LxWxH = 20 x 15 … Read more

funny mini tank bot

 

 

 

The main part of the robot (block gears) taken from the old model CD-ROM, which were not driven by a belt and through the gears. Microcontroller PIC 12F629. The … Read more
Tells me when someone is standing in my doorway
One of the drawbacks of working in a University Institute is the noise.  Student researchers have to talk with Primary Investigators and Co-PI's, printers hum and … Read more
Navigates smooth and rough terrain equally well
I finally got it to work! (video is up)  The transforming wheel that I made and talked about a while back- I made a robot that can use and actuate them. The wheel … Read more
Was in home for a one day holiday. Decided to do something. Was pretty simple to make, with ATMEGA by my side. Video quality isn't so good bcoz i am in a hurry, and … Read more
     For a long time I wanted to build a quadruped robot. And... you guys may have seen in some of my videos that I have many dogs at my home (precisely … Read more

Re-inventing the robot wheel

Anyone wanting to play with articulated robotic systems like arms, legs, pan tilt cameras etc will invariably end up using the ubiquitous hobby servo, a handy little gear motor that comes with its own angle sensor and closed loop position control. You just plug them in, send a position pulse and away you go. You can even hack them to produce continuous rotation for wheeled platforms, albeit without any closed loop control.

Adjusts colors for camouflage in accordance with vision
Using a
Today my daughter and me continued to study our animal encyclopedia. We found the chameleon. I tried to explain her that some species adjust their colors for … Read more