Let's Make Robots!
  My first non-kit robot. Inspired a lot by the "Start here" robot on this site! Read more
Price: $12.95 USD

 Collected by one member
This hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 280 mA at 7.4 V, allowing for a holding torque … Read more
Price: $39.95 USD

 Collected by one member
The 18-channel Mini Maestro 18 raises the performance bar for serial servo controllers with features such as a native USB interface and internal scripting control. … Read more

WCRG 2010 Pictures and video

Hello all,

As promised the pictures from WCRG 2010.  Credits go to Fingertech for providing the video and pictures.

Line Following

Mine Sweeper


little background first... i wanted to try the NXT robot to follow line, BUT: - the smart brick only has 4 sensor ports - i only have 1 light sensor (able to detect … Read more
Marine Aquarium Controlled by MRS1
I like robots but I also like fish. I used to keep a large sea aquarium and due to moving arround and work I had to get rid of it. Bummer. But now I convinced my … Read more

Open international Offline competitions on a robotics!



Site "the Robotics-our the future..." Begins a set of participants for "Opened Offline competitions on a robotics", in a direction "Following on a line". All interested persons are invited, the age is not limited.

Turning a Robot From 90 Degrees

Can any one give an idea to make my robot turn exactly 90 degrees ???

I am using Tamiya Dual Gearbox & My robot is a tracked Robot


Any clue ???

Live Show notes, episodes #004-#013

Live Shows #001 - #003, --- COMING SOON ---


Live Show #004.1, September 24, 2010 

  The show is late to record (missed around 20 minutes). A humorous recap about An-Tech's question regarding interfacing with a 24LC256 EEPROM chip using I2C. Rik also mentions node 4385 that asks if sound can be stored as well. 


Solar Trike

Much thanks to D&G Green Products for their support http://www.dggreenproducts.com/



That's right, an oscilloscope that is free. And costs no money either. Almost as cool a Frits'o'scope. Xoscope is a piece of software that runs on Linux. Windows … Read more

Linux crashing when reading from serial port, problem and solution

The problem:

I have a weather station project going on and I'm planning to use my Linux box for data logging. I have ATMega168 writing data to its USART, FT232R doing USB serial (see my first SMD soldering here: http://letsmakerobots.com/node/23323) and Ubuntu Linux logging data. Here's a simple picture of the setup:

Weather station data logging test setup

Canadian National Robotic Games 2010

Hello all,

I had a great time in Toronto for this years Robot games.  I managed to get 2nd place in the masters mini sumo competition with Blaster shark.  I made a new robot called Driller shark which I will post shortly in the robot section.  It didn't do that well, but all in all I had fun.  Here are the pictures.

Ordinary lunch kit?

Building a multi servo robot

The parts arrived in the mail! Here they are: