Let's Make Robots!

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wrench_orange.png Your work in progress or a finished robot: Robot project
script_edit.png Write in your own blog: Blog entry
comments.png Discussions and questions: Forum topic
brick.png Show what you are making robots of: Component
lightbulb.png Help others with what you have learned: Tip or walk through
link.png Add a good web shop, a guide or a cool link: Web link
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
Emits bright light and loud noises =D
Around the end of February every year there's a 'Chinese Lantern Festival' that happens in my city. Lots of junk to buy, cool lanterns, interesting food, and most … Read more
Modify your rc-servo into a computer controlled fully funtional servomotor with 12-bit absolute feedback (4096 positions - 0.08 degrees resolution)
Yes we like servo mods! Read more
  This bot is remote controlled over Bluetooth using a Bluesmirf module. This works just like a wireless serial port.I have written a program for my smartphone … Read more
Basic self navigation with ultrasound and bump switch kit
Using a
KRB1A - Katebot from now on will be refered to as Katebot in thos page. About KateBot: KateBot is my first robot that i planned to build and have started to build … Read more
Cuts shapes with better precision then me :D
Using a
Pictures:  - the front   - the back - left - right - the power unit Read more
I just started playing with robotics a few weeks ago when I got my arduino. This is my first attempt at a obstacle avoidance robot. Pretty basic. I am building an … Read more
This is my personal project to develop a robot using Platon Philosophy: Every robot has a Body and a Soul. The body is a Lego Mindstorms NXT robot which use a LeJOS … Read more
This is my very first line following robot that is built around ATMEGA8. Construction and circuit are quite simple. Such a name- GOOFY is given because robot … Read more
Basic principles in PCB design
I thought this could come handy. EMI and power surge problems are common in digital circuit design. The following list is a compilation of suggestions I have … Read more
Lives on a table, reacts to light
Using a
This is my first attiny project after getting an led to blink. I guess it's a little ambitious - I hadn't even cracked the datasheet when I started. For my plan I … Read more
This is not the first robot I have built. I built it one weekend when I was unable to use my computer (so I was bored), and just using parts I had at my … Read more
Drives around on fridge door, water heater or table
Using a
My LadyBugBot clone is finally finished. Or finished the second time because it got broken earlier. Now I kinda cheated and shot a new video of it running on a … Read more

Note: You can follow some projects some of the time, but you cannot follow all the projects all the time.




Recently collected


Blendering your Python Code. Here is a walkthrough showing how to implement Python scripts in Blender. Blender can be used as a powerful Gui to not only display … Read more
Allows any Arduino board to accept commands from an IR receiver
Most homes these days have at least 1 infrared remote control for controlling the television. These remote controls can also be used to control robots or even to … Read more
Exercises gyro wheel toy so I don't have to.
9-17-2014 - This is version 1 of my project to automate a gyro wheel toy. I really wanted to use reed switches but didn't have any available so created my own … Read more

How to make a medium size robot. Let's make a guide!

Now we have wonderful tutorials for making beginners and small robots, but bigger robot need stronger frame, motors, bigger batteries and can do much more work.

There are good examples of medium size robots here, but it would be useful to me and maybe others if there is a good comparison of various motors and drivers, how to get them and what to care about to avoid crashes and dangers.

Navigate around via ultrasound
Using a
First attempt at a palm sized simple autonomous robot. Extremely basic, the Arduino turns the bot left if the Ping senses something closer than 3-4 inches away. … Read more
The robot shown here, which is based on factory parts. The HC-SR04 ultrasonic sensing type distance measuring device used. The sen Read more