Let's Make Robots!

Most Collected: Tip/walkthrough

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
This project shows how to add text-to-speech to an Arduino project using a SpeakJet and a TTS256.
This how-to article describes an easy way to add unlimited text-to-speech to your Arduino projects (with a bit of modification to my source code below, the PicAxe, … 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
This tutorial is an extension of my original tutorial on using motor encoders here: http://letsmakerobots.com/node/38636. This tutorial looks at some code I have … 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
Gives your robot more personality
Using a
A simple method to build robot eyes as for instance robots like NAO or DARwIn have. The drawing is nearly self-explanatory: 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
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
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
Recently I posted a tip on using the anti-static foam your IC's come in for pressure sensors. This show you how to apply that tip to your robot. Read more
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
Controls servos by Angle Accurately
I have always seen things differently with my electronics and programming background. Servo Math came from me seeing servos as having three parts. The angles … Read more
Sensibilizes about the delay() function
Whenever you use delays in your robot code your microcontroller is going to do nothing but wait until the delay is passed. Where on one hand this is a blessing it … 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