Let's Make Robots!

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Shuffles forward via precession of the flywheel, sometimes picking its feet up.
Update 4/23/2014: Now radio controlled stepping, ESC on rotor motor makes for a high stepping robot.   This is a very crude implementation of John W Jameson's … Read more
Follows walls with feelers.
This is my first robot to post at letsmakerobots.com but I have built other contraptions I suppose could qualify as robotic - nothing sophisticated though - just … Read more
My first project on LMR :-) A simple obstacle avoiding robot I built this weekend using a standard "beetle bug" design. It contains no microcontroller, only two … Read more
Bumps around avoiding obstacles, Entertains kids
  Here is my entry for the Scrap Bin Challenge. It is a "Beetle Bot" whose original concept and design was by Jerome Demers see HERE. The Beetle Bot design is … Read more
My third and now fully functional design for Oddbot's Naughts and Crosses challenge. This is a remake of my last tic tac toe robot, which worked but was nearly … Read more
Plays Naughts and Crosses (Tic Tac Toe)
This was made to replace my previous Tic Tac Toe robot (the huge box covered in tin foil and wires). The Robot moves first into the center square (where the … Read more
Plays Naughts and Crosses (Tic Tac Toe)
This robot was created as an entry for Oddbot's challenge: http://letsmakerobots.com/node/35296 I learned a lot with this project: just check out the Reflection … Read more
Look for light (supposedly)
(Note:if you're seeing a helicopter and compressed air rocket, that's not right.) The other night, Towlieboy78 said he was having trouble with his Photovore in the … Read more
Robot will be move forward as long as the sensor detects an surface under it. As soon as edge detector sensor goes out of the table, the robot will make an in-place rotation greater than 90 degree and then continue as per sensor value
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Seeks light, runs away when it bumps into something.
This is Blue Bug, not my first robot but the first one I am posting here... The body was made using a couple of old DVD's. I used the herbie circuit from the book … Read more
show off facial expressions
This robot was made with a vex robotics kit and it consists of four servos. It is remote controlled and the eyes are made of pennies! Read more
'Moves' -not joking!
  LOL for the first video.... Hmmm..... This is my second 'Bot'... most- of the robots here are Autonomous but this one is Semi-Autonomous[obviously]... I have … Read more
avoids obstacles
this was made of my little robot, blinky. he wasn't working and i wanted to make a new bot and i got new parts, so i got this. he will hopefully: make a noise when … Read more
drives and sometimes twirls with a light on it
this is my car robot. it is very simple to make all you need is the base of that "cyclones" project we worked on earlier. you need to stick the motors into the … Read more
remote control robot that drives around
i made this project with my friend Ness. we got the parts from a remote control car named "cyclones". all we needed to do is tape or glue the battery pack to the … Read more
Solar Roller:Charges capacitor(s) until sufficient charge is reached, then discharges.
I have started finished work on my second robot. It uses a FRED solar engine, and is a really simple circuit; I salvaged a belt and pulley from a cassette player, … Read more
move forward and sense walls with it's antennas
This robot uses two SPDT (single pull, double throw) switches, antennas, motors, and a battery pack. The antennas are connected to the switches, and so when the … Read more
This robot is a free formed robot that I made, its like my symet but better. It uses a simple analog circuit that stores up electricity until there's enough to make … Read more
navigates a maze with feelers that reverses the opposing motor
Hi all Thanks for letting me join your site Here is a bot that I designed for the scouts to build it was designed as a maze runner. This one was built by my … Read more
drives around until it hits something, then you pick it up and laugh.
Simple wirecontrolled, some stuff I had, 2 switches, batteryholder, Tamiya twin gearbox some wheels and networkcable. Screw it all together and my daughter got a … Read more
Photovore - Light seeking solar powered
  Introducing Medibot2, this is infact the same bot that I introduced a fews years back as MeditBOt1.Back then he was housed in an empty pill bottle. Now after a … Read more
Bounces off walls
Thanks to the LMR society I was asked to do a review on one of Solarbotics robots. It's a little critter called The BeetleBot. So hold tight, here it comes. … Read more
Runs around bumping into stuff
One of the first ‘robots’ I built was a Beetle bug based on the intractable found … Read more
Joins a 5mm shaft with an 8mm lead screw
Introduction Couplings are expensive, but tubing and Shapelock (Polymorph) is cheap.  This is a cheap way to build a coupling between a 5mm stepper and an M8 … Read more
This was basically just a test to see if the rubber track set from Tamyia would fit on a Mr. Basic frame. It took about an 30 minutes while watching TV, to test out … Read more