Let's Make Robots!
Exploring my home via infrared and ultrasound
Just bought the Tamiya Track & Wheel Set 70100 and Double Gearbox 70168 yesterday for HKD $80 (~ USD10).  The tank base will be about 7" x 3". I've built a … Read more
Uses the ATMega32u4 of the Pro Micro to pass keyboard commands to a PC based on what footswitch is pressed.
UPDATE - I have reworked this project to use a Line6 footswitch to act as the buttons, connected to an arduino 'control box' via ethernet cable. I will update this … Read more
Price: $1.95 USD

 Collected by one member
This plastic roller ball is a great third contact point for a small, differential-drive robot. They are sold in threes. Read more
Price: $8.45 USD

 Collected by one member
This tiny board is an easy way to use Toshiba’s TB6612FNG dual motor driver, which can independently control two bidirectional DC motors or one bipolar … Read more
Price: $14.95 USD

 Collected by one member
This high-quality metal gearmotor is a compact (1.26" x 0.63" x 0.63") motor with an enclosed 24:1 metal gearbox. These units have a … Read more

I2C vs Serial

I hereby submit another plea to the robot gods out there:

I've read a lot of very informative info on both i2c and serial communication as a way for one IC to control others. My question is: which will work better for my needs?

My plan is to make a robot that has a seperate IC for each aspect of its behavior (movement, communication, etc.). So which is faster? cheaper? fewer wires? easier to program? I'm sure both have pros and cons.

Okay, go.

Theo Jansen style robot leg: prototype #6

(continued from here)

I am busy with the tweaking and fine tuning of my plywood version of prototype #5. I had no idea this would turn into a different design I now call #6.

tj-pt6-leftmost-almost.jpg

This photo shows #6 in its leftmost position. It just cannot reach the extreme. There are still several small bits of plywood touching that should not be touching. Again with the jig and with the saw!

 

Drives very maneoverably, follows lines, tracks faces, wins PiWars 2015
UPDATE 15/09/2015: Read more
Hi guys, Just wanted to make you all aware of a new project that is going to be released on Kickstarter on the 16th May.  Read more

Rudimentary LDR eye

Old idea rekindled

This idea about very basic robot vision haunted me ever since I first saw AmandaLDR. Even before it was named after a canine. It's somewhat inspired by the evolution of the first eyes in nature: just a bunch of light sensitive cells on your rump.

Robot control PCB and your opinions wanted!
Hello LMR Community! I need your opinions and advice. One of my many jobs at college is a Lab TA/Program Manager for a space inside one of the freshman dorms. … Read more