Let's Make Robots!

Most Collected: Tip/walkthrough

Demonstration of How To Solder
Demonstration of how to solder.  Further info on how to solder: http://www.instructables.com/id/How-to-solder/ and … Read more
This is an old idea, finally I have the time to show it to the world. The are bottle shapes that perfectly fit together, you will see how easy it is to create a … Read more
Keeps you from looking everything up time and time again
Here is a cheat sheet that I'm working on putting together. This wasn't meant to be professional quality, just something I can look over at instead of having to … Read more
The GWS servos are extremely easy to modify to continous rotation, here is how :)
Thanks to  ndupont for this: http://letsmakerobots.com/node/4873 and to Anders for this:http://letsmakerobots.com/node/259 - Now I had some GWS-servos that I … Read more
How to get a photo-interrupter to work as an encoder
I salvaged some photo-interrupters from some printers and scanners. Thinking they would make good sensors, I decided to use them as encoders on my robot (which I … Read more
In this video I show you how to read out multiple buttons using only one ADC pin. I hope this is helpful to all of you who have not enough I/O pins left or to those … 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
Reads pulse width and calculates distance
I want to build a robot using the MSP430 value line (Texas Instruments Launchpad) that i bought for $4.30 a month ago. There are a couple of code samples from TI … Read more
I recently got in a few parts to complete my smd soldering station and I would like to share my experience along with you. I found that I have started wanting … Read more
Measures your pulse/heart rate
The circuit shows a sensitive finger-type pulse detector. The concept of the circuit is simple. With the alteration of the blood volume in the finger the … Read more
AXE121 is an cheap and easy to use Line Follower Kit that can be easily connected to the Picaxe 28 pin Project board. You can buy it on the PICAXE on-line … Read more
How to produce cheap and environment friendly body parts
Hi, LMR! Today we are going to produce some body parts for our robots using glue and paper. Yes, just glue and paper! This is a little introduction into … Read more
How to use the Prop to do multiple things at the same time
This is part 3 of a multi-part series.  The other parts are here. Let's imagine a hypothetical 'obstacle avoidance' robot with a set of wheels and a ping … Read more
Teaches how to upload picaxe code to it's board. ; )
I'm just going to post a quick tutorial on how to upload PICAXE code to the selected PICAXE board you have. This tip is dedicated to David Chetrit, who has had some … Read more