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Tips & walkthroughs

 

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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
I found this nifty resource which outlines how to change the splash screen on a full graphic LCD. He goes into pretty good detail about how to go about it but … Read more
Like an alpha version of Samantha from the movie "Her" who will obey your every command or just annoy you.
Well it has been quite a while since I've put something here mostly because of college stuff, so let me just get to it. The embedded video is me talking to my … Read more
LDO current regulator for power LED
Challenge You've got a power LED? Great! Build a flash light! Read more
I found this amazing tutorial that breaks down Path Planning so even *I* can understand it. I thought many of you might appreociate it and the other links I have … Read more
Provides Guidance in Planning Robot motion
My friend Jon Hylands had asked a simple question the other day as to whether I used Finite State Machines in my code.     I quipped back "Of course! Is there … Read more
Alternative way to get diagnostic data while minimizing timing impact generated by the Serial.print function.
While developing routines for my rover, especially diagnostic routines to identify sensor errors or conflicts, I have been using the Serial.print() function.   … Read more
Our honored LMR founder Frits has been contacted by marcmart.com an electronics distributor. They asked him about writing a review for a Makeblock product. So Frits … 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
Information on the Picaxe 28 project board
I was working on my LMR robot and I made this Picaxe 28 information picture for my upcoming robot article. I modified this picture to show the ports and mine has my … Read more
Build real-world embedded solutions get and learn how to use a +40 I/O (16 PWM's) microcontroller board for $12, lab-based course.
Using a
Do you want to learn real robotics from inside? (Updated 2015-course)  UPDATE 22-Jan-2015: Course has just started! So today we started the new course 2015. We … Read more
Teaches the basics of PID-based line following, wins you a couple of line following competitions!
UPDATE : (07/10/2014) Added a PDF version of this tutorial and a sample video of a PID based Line Follower. UPDATE : ( 01/16/2014 ) A few updates on making things … Read more
For object avoidance, the ultrasonic or the ir range finders do not always see and object and i often notice my robot running into things and getting stuck. I … Read more
Sometimes the pins you want to use on a microcontroller are this type.
An open collector or open drain are output pins that are made of a transistor with no connection on top. Without external circuitry they can't really be used. What … Read more
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
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