Let's Make Robots!

Most Collected: Tip/walkthrough

Making gearbox out of random plastic gears and small motor.
How to make gearboxes out of random plastic gears:  This tutorial shows how to make simple and small plastic gearbox with gear ratio about 1:100. Ratio can vary. … Read more
Provides power for breadboarding, testing, etc
I was tired of wasting batteries while testing my robots and other circuits, and having to dig out voltage regulators every time I needed 5v or 12v for a circuit, … Read more
  **Click the picture to show it bigger, and then click that picture again to make it big enough to read the fine print** ADDED (06MAY2012) This is the motor drive … Read more
Communicates with your pc to control your robot
The wiimote is a really cool controller to use with your robots. It has many buttons, accelerometers and even a camera which tells the coordinates of the four … Read more
When I joined LMR I had just written my first picaxe program.The picaxe was easy to learn since I knew basic and the manuals gave you all the information you … Read more
Allows you to send IR / remote codes in "background"
Hello guys. After hours spent on the internet trying to understand how stuff works i came up with this piece of code. It simply sends out SONY remote codes, but the … Read more
Add 10-bit incremental / absolute encoder feedback to your hobby servo.
Modified continuous-rotation servos are used extensively by roboticists due to their small form-factor, enclosed motor-gearbox, ease of mounting and … Read more
Overcomes the limitations of the RaspPi
It seems like I've seen several LMRians who've finally gotten ahold of their RaspPi say something along the lines of "I'm planning on using it to run a robot using … Read more
Pushes in excess of 3kgs to any position over 2000 steps
Take one Glue stick and wash the living daylights out of it in 30 degreeC water, as the glue is water soluble. Read more
Detects impacts using accelerometer
Note: it's getting harder and harder for me to take much credit for this-OddBot has done all the work since I first posted it and he's taken it from a built-in … Read more
Simplifies interface, saves one pin.
Well, I don't believe I have seen this @ LMR so here it goes: Hack your HC-SR04 for use with a single uC pin. Simply add a ~1.8k resistor from echo to trigger, and … Read more
Introducing the PolyMorph finger ...... or toe if you dare to use as locomotion The idea is Inspired from Anthropomorpic finger PolyMorph is a Flexible plastic … Read more
For communicating with your robots or your intelligent household devices
(Edited the prices quoted) It appears that the pages I referenced earlier have lowered their overall prices.  As of 19 Nov 2013, here are current prices on these … 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
control commands on Arduino via a RC
Using a
Hello guys, this is my second tutorial. After a painstaking 2 days of work, finally got this working and I would like to share this with you guys. Okay I want to … Read more