Let's Make Robots!
First off I have found no way to get gEDA and PCB to work properly in Windows. RobotGrrl used/uses it on her Apple machine. Read more
Provide precision speed control of motors
This tutorial shows how to connect 2 DC motors with simple encoders to an Arduino for precise speed control and distance measuring. The sample code is written for a … Read more
I've been working on re-making the the Open Hardware Pulse Sensor so it'd be easy to send off to OSHPark and to make at home. I'm not sure, but I think I started … Read more
Gives all directions for two motors
I designed this circuit for those interested in controlling motors that require a lot of Amperage, but have gotten frustrated over trying to create a MOSFET … Read more
Tutorial about how to teach your BoB Biped to walk
Introduction This tutorial show a way to teach your BoB to walk and turn in an interactive process.  For using the Poser software you will need a real BoB biped. … Read more
Controls two bi-directional low power DC motors
Hello LMRians, Ever tried using the pololu tb6612fng dual motor driver? Quite handy if you are thinking of controlling two low powered DC motors. It can handle a … Read more
reads gcode from the serial line, moves stepper motors
I've been playing with the Adafruit Motor Shield v2 for some upcoming projects. I wrote a simple Gcode interpreter. With this you can write commands on the serial … Read more
Robust superstructure which can be relocated to other vehicles
I have written this to assist any other builders out there who have been thinking of using Maker Beam. I decided that I wanted to build a more rugged … Read more
Interfaces Arduino and Bluetooth 4.0 Module
UPDATE: 7/6/14 -- Silkscreen corrections.UPDATE: 6/1/14 BOM CorrectionsUPDATE: 4/2/14 -- Corrected information and linked the new breakout board, v.9.9   Read more
With more and more 3D printers emerging its time to brush up on some 3D cad packages. My preferred software is "Blender" as it is a very flexible and easy to use … Read more
You have to follow these instructions if you want it to work
I noted some members have been posting links to YouTube videos lately rather than embedding them, and a few have said it was because they weren't having any luck … Read more
Read RFID tags from the Parallax RFID reader on the Raspi
How to connect the Parallax RFID Serial Reader to the Raspberry Pi safely. Using a Logic Level Converter from SparkFun to step down the 5V serial from the reader … 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
Determine the distance to a detected object with a single camera and no other sensors
If you have OpenCV code that draws a rectangle around a detected object but want the code to know the distance to the object, no need to add another camera or any … Read more
This tutorial shows you How to get the RSSI of an Xbee using Arduino!
It took so much time to get this working. But know everything works fine. Using RSSI you can make many funny projects, like object detection and so on. Check out … Read more
Explains the simplest method of drawing pictures using the sample code provided.
If you are reading this before 31st of July, 2013 then there is a contest with prizes running. See here for details. Read more
Yet another way of organizing your parts.
First, let's face it-there are any number of ways you could do this. But after years of fighting a mess of resistors in a Plano box and looking up the color codes … Read more
Restores Angstrom in case you kill it (like me)
UPDATE: I discovered the link I had was referring (which is the true stock image) is unuseable unless update and upgrade are run.  Sadly, you can't do that with a … Read more