Let's Make Robots!

Most Collected: Tip/walkthrough

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
Helps you activate and read the distance.
This Arduino class library, gives some basic functions for activating and reading an Ultrasound sensor. A small example, also included in the ZIP file. #include … Read more
Charges your robots batteries while its on the move
Hello everyone. I decided on building a solar panel using solar cells to charge the batteries of my robot while its in use. (so that i have even longer run … Read more
How to program a trusty PICAXE while running Ubuntu (or most Linux distributions)
Well, a small comment in the shoutbox caused several of my LMR buddies to download Ubuntu. Good choice, I like it! Here's a walkthrough to programming a PICAXE in … Read more
How to make PolyMorph screws
This Workshop shows how to fabricate screws using PolyMorph.(recommended supplier) Non stream link :- PolyMorph Workshop  4  - PolyMorph screws I needed to make … Read more
Control a Servo with a Ping Sensor in about 5 minutes
Using a
When I did the Web Clicker, I picked up a copy of ViewPort for debugging and it was a lifesaver.  ViewPort was designed by Hanno Sander.  He also developed an … Read more
Hello Folks. I want to share with all what happened to me, why I was being wrong and what I learned:   The preface: I'm making a police-style led flasher for an RC … Read more
Organizes those resistors! And caps, and diodes...
Keep your resistors in business card holders! Make a big book O resistors!   I also organized my electrolytic caps   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
Update 26/04/2009 I have added a video to show the picaxe modifying the servo signal based on the output from a Maxbotix EZ0 (EZ1 version here at LMR). The … Read more
changes pins, very fast
I tested the difference in speed between the Arduino digitalWrite() function, and other methods of direct port manipulation. The results are surprising, check it … 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
Serially programs LPC1114 ARM Cortex M0
UPDATE: I tweaked the source and rebuilt lpc21isp to allow for automatic mode switching, bootloader and program, from an FTDI breakout. A few months ago Bdk6 sent … Read more