Let's Make Robots!

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wrench_orange.png Your work in progress or a finished robot: Robot project
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comments.png Discussions and questions: Forum topic
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walks on two legs using four servos
this is the next evolutionary step from my trashbot version 1. i decided that i want to build more robots made from recycled mechanical parts instead of shaping … Read more
inspired by BOB by badji here at LMR, i wanted to build my own four servo biped walker after i kind of failed on the rather complicated 12 servo ROFI. i love BOB's … Read more
I was making something with toothed pulley belts when BDK6 mentioned them. I decided to see if I could use some toothed pulley belts to make a harmonic drive … Read more
Neon clock on the old Soviet neon lamps (IN-12) 1970s. Welcome to the USSR :))   Read more
gyroscope causes wheel to rotate in forward direction
This wheel is propelled only by forced gyroscopic precession. It is not an endorsement of silly reactionless drive aficionados that love the idea of messing with … Read more
    Hello all!This is my robotic arm project. It is almost finished it just needs the controller and a bit of programming it finish it up. Read more
Currently, the robot moves in a circle. Motor test.
This is my first robotics project. I happened to have a used file cabinet that seemed like the perfect platform for housing electronics, essentailly begging to be … Read more
"Spidy" the spider robot. A bunch of people have built these. After my having seen them I had to make one too!  :-) Spidy is a Start Here type robot. Otherwise … Read more
4 axis robot arm with a small gripper and teach function. (In fact: it is a 3 axis robot) This robot can follow. This robot can learn. And this robot can repeat … Read more
Its LARPing Laser Tag melee madness. Annihilate your friends!
For the past few months I've been working all hours in my lair building this game. If I haven't been around much, this is the why. I just launched this project on … Read more
Follows the line, detects obstacles, grabs the obstacles with its hand, collects the obstacles on the path
Pıcker is a line follower robot which follow the white path on a black surface. It has 3 CNY70 sensors to track the line and one additional CNY70 sensor to detect … Read more
Dear: LMR Just to let you know I have been developing for the past month a steampunk robot. I have finished the mechanical and moving onto electrical and software. … Read more
All my project ideas needed CNC motion, which was due, at least in my shop, for a standardized approach which will hopefully classify the extruder, laser diode, and … Read more

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Recently collected


Sad story about Chopstick Junior and Campus Party Berlin 2012

Well, let me begin with an introduction of the robot and the event but you need to promise me to read it to the end...or just the end if you don't have time.

Kossel 3D printer inspired pick-n-place robot. no particular purpose yet. As the name implies, every measure is more or less eyeballed. Nothing is precise in this … Read more
Herman is an off-road (Kind of), obstacle avoidance robot using an Arduino Uno. He is based around a plywood chassis and uses balsa and some hard wood in his … Read more
A rover with 4 directional wheels.
Andromina robot v.1.2 is a 4WD robotic platform with four directional wheels. The four wheels can independently turn. The robot can maneuver multiple ways. The … Read more
Sharing my work in progress on an autonomous "search and rescue" robot. The ambition is to create a robot which explores my living room starting at a random … Read more

Kirchoffs Voltage Law and Current Law - is there easier math for this?

I think I understand the simple examples for this law, thought the math (algebra) is a bit daunting as its been many many years since high school, and I wasn't very good at it then. The more complex examples make me dizzy.  I have to believe there is an easier way to understand and use this law in my robots circuits. Or is this something that I will rarely use? Is there an easy "rule of thumb"?

Here is an example from the class, not even terribly complex, but seems that way for me.

Robots can be made out of anything... can't they? Mopsey is a friendly bot' made from craft fur and a few electronics - designed for simple interaction. Very … Read more