Let's Make Robots!

Tips & walkthroughs

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
Open hardware/software wifi module runs uIP TCP/IP stack. It has UART,SPI interfaces,GPIO x5 and PWM for intelligent control,but fingertip-sized only
Update: please, be careful as this review is based in a device that was updated from the manufacturer.  Would you like to command over wifi out of the box from you … Read more
Precision control of 2 DC brushed motors using encoders
Perhaps the most common part needed to build a robot is a motor controller and usually the first complaint from beginers is that the robot does not travel in a … Read more
Here a few more details of getting your Propeller or Arduino to control objects in Blender. First part is the hardest ..... Install PySerial  to enable Blender to … 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
Blender > Part 001 - Real Time Keyboard Control
Blender > Part 001 - Real Time Keyboard Control. For us to understand how we can use blender to control our real life robots we have to know a little more … Read more
Blendering your Python Code. Here is a walkthrough showing how to implement Python scripts in Blender. Blender can be used as a powerful Gui to not only display … Read more
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
For better readability I have attached a pdf, which explains how linear regression is used for supervised machine learning. In this paper I also derived the general … Read more
An air muscle contracts when is is pressurized
I have been looking for alternatives for servo motors, and I stumbled apon air muscles. It seems to me air muscles are very promising they can do a significant … Read more
Robotic parts made with simple tools.
     Even with 3D printers and milling machines accessible nowadays, I guess this post will interest some people. From time to time, I am asked how I produce my … Read more
Here is a simple upgrade for the Raspberry Pi camera. STL files Here :- Thingiverse_Chiprobot Although the stock lens is sharp ..... it lacks that spycam … Read more
A picture is worth a 1000 words.  I have started to document all of the important settings of the Raspberry Pi  Pi NoIR camera. As I am pretty impressed by its … Read more
Changes resistance when compressed
You may remember an article I wrote with regards to this Conductive Ink Indigogo campaign It has arrived and I am well pleased with the quality and uses it can be … Read more
Introduction This tutorial will explain the basics of hobby robot design and covers many subjects. I have includes numerous links to explain various subjects in … Read more
Gets your robot up and running through a Python App
UPDATE : 7/14/2014 : 1) Controlling a robot via a Python GUI added 2) Video demonstrating GUI control added. Read more
Brings back the Vin Pin
If you have ever seen some magic smoke hovering around your Arduino, I bet there was this involuntary movement that resulted in you snapping the power supply from … Read more
(This node will probably float a bit, have lots of work to do on it. My apologies.) I'd been wanting to create a bridge between Arduino and iOS for awhile. Not … Read more
Pushes 3Kgs/sec/cm in a straight line
This is a new Gear motor version of my previous Linear Servo actuator. It is a custom 3D printed Linear Servo actuator for activating a lever or push/pulling … Read more