Let's Make Robots!


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Plot Pictures on a whiteboard
This is a review of the Makeblock XY-Plotter v2.0.. I have got the chance to test the new plotter. Many thanks to Makeblock for the plotter kit and the support … Read more
These are instructions for the optiboot bootloader shipped with Arduino 1.0
Optiboot works with ATmega168 but, to return the correct chip signature, for ATmega168P some changes must be done. The easy solution is to copy attached file to the … Read more
More Servos, Faster Refresh, New Library
A post to introduce a new library RCArduinoFastLib. The library supports upto 20 servos on an Arduino in two banks of 10. The two banks can have an independent … Read more
Debugger / PC interface for Propeller
ViewPort promised easier debugging on the Propeller - does it deliver? What is ViewPort? ViewPort is a software tool to help you develop on the Prop.  There are 2 … Read more
How To - View the assembly generated for your Arduino sketch
Hi, Here is a quick walk through of a simple process for viewing Arduino assembler - … Read more
Hi all, I currently do an online course at MiTx, 'Underactuated Robotics' by Russ Tedrake. 'Underactuated' basically means that the robot has more degrees of … Read more
Create wireless serial connection
Using a
Wireless controlThis walk through describes a cheap way to create a wireless controller for a robot. It is not a ready-to-go manual, but a proof of concept. It's … Read more
RCArduinoFastLib in action in an off road RC Car
Another post in the RC Arduino series relating to Reading RC Signals and controlling RC Vehicles. This one uses the RCArduinoFastLib to read a PPM Stream from a … Read more
Plug in up to 4 servos - the servo wires will be extended through a single CAT6 cable
Now there is a clean and simple way to extend servo wires using a CAT6 cable. These CAT6 extension boards allow the user to plug up to four servos into the row pins … Read more
mBot distance measure shows on LED matrix with digital filter and sound
Measuring in a digital system is always tricky. Values dance between some values just because noise in the environment, lack of accurracy of the sensor or maybe … Read more
How to use the Prop to do multiple things at the same time
This is part 3 of a multi-part series.  The other parts are here. Let's imagine a hypothetical 'obstacle avoidance' robot with a set of wheels and a ping … Read more
Collect and crosspost my blog entries and discussions about programming topics.
Introduction I started blogging about various programming topics and the community has chimed in with some good information.  I plan on continuing to blog … Read more
At ServoCity, we field a high number of tech questions that deal with how to determine the proper spacing between the teeth of two mating gears. This spacing is a … Read more
Explore the history, anatomy and intelligence of robots with this free online course. Test drive robots using exciting simulations
Hi folks! Today has started a new robotics course, this time from University of Reading. Even it's an introductory course, it promise to deliver good foundations … Read more
Makes serial communication between 2 Arduino microcontrollers easier
One of my friends online, Bill Porter, made a library that makes serial communication between 2 Arduino microcontrollers easier. When he first sent me the library … Read more
Breadboard Propeller and programming with Linux and PropGCC
Using a
Writing program in C with propgcc on Ubuntu Linux so you can compile and load the Parallax Propeller with Linux and C rather than Windoze and Spin. The video is … Read more