Monthly Archives: April 2010

Hacking Servos for Continuous Rotation

Posted on April 22, 2010 by ryan

Our inexpensive Truckbot robots have been using tiny $3 micro servos that get modified for continuous rotation. We do this by removing some plastic that prevents the gears from going all the way around and then bypassing the potentiometer inside. … Continue reading →

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Our First Semi-Autonomous Navigation

Posted on April 21, 2010 by ryan

We’ve added the first bit of autonomy to our Cellbots by having the Truckbot stop before going off a ledge. We did this by building upon the Wheelchairbot’s ability to sense distance with an ultrasonic range finder. Then it just … Continue reading →

Posted in Android | 1 Comment

Remote Control Using Bambuser Video Streaming

Posted on April 20, 2010 by ryan

Building on the video streaming success of the Nrover, we tried something new for Truckbot, by streaming video from the phone via Bambuser to a new remote control web page. We did this by turning the phone on its side … Continue reading →

Posted in Android | 10 Comments

Controlling An R/C Helicopter With An iPhone

Posted on April 19, 2010 by ryan

We have an exciting new Cellbot from Ari Krupnik. He’s using an iPhone and a special app that he wrote to control an R/C helicopter called the iCopter. It makes the helicopter extremely easy to fly as you can see … Continue reading →

Posted in iPhone | 3 Comments

Nrover in the Rain

Posted on April 18, 2010 by admin

I took the Nrover out for a little spin in the rain today.  Joystick and video feeds here are both over at AT&T 3g network (I am using a Nokia 6210 phone which has no wifi, only 3G).  I am … Continue reading →

Posted in Nokia | 1 Comment