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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lightbulb.png Help others with what you have learned: Tip or walk through
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Obastacle avoidance
First Robot Build. Vinny was salvaged from an RC car truck that I bought from the Goodwill for $1.99. Read more
This guy is curious and will explore its surroundings. Equipped with GPS, compass, cameras, ultrasonic sensors, infrared distance sensors, sound, light, pressure, temperature, humidity.... it wants to explore.
This is my robot "Earth Explorer One". My inspiration are the Mars explorer robots and after many years of wanting to build one, I've finally started. Now I would … Read more
capable of moving forward, reverse left and right using single motor
28 Sep 2014 Mechanism and video update: 1st video : Description and Mechanism 2nd video: Full working order 3rd video: Testing with battery Read more
Prowlerbot is designed around a BeagleBone Black as the primary behavior control system and several sub controllers to handle hard real-time work. The Beagle's … Read more
Science, Technology, Engineering, (Art) and Math (STEM / STEAM) curriculum is gaining momentum in K-12 education. It's exciting to see so many new makers and … Read more
This is a hexapod I've been working on for a while. It's a kit from Paul K. The hexapod uses HobyKing HXT900 servos. I was able to get the robot to successfully … Read more
24 Sep 2014 Update: Project still going... Some parts have arrived, still waiting on other parts... and some will be ordered soon. Latest Blog Entry (19 Aug 2014): … Read more
Raspberry Pi B+ SRF05 Servo Tower Pro 9G Module L298 UBEC use in helicopter Battery Pulse 3S 2250 mAh Read more

bug

UPDATE I stopped working on this version, the new version is here http://letsmakerobots.com/robot/project/bug-20 I have created my first part of my first robot, I … Read more
It communicates with human, responds to sound, used for security monitoring from anywhere.
AuMac A multitask robot for children and security surveillance   Read more
CIRKO was originally conceptualized as a shiny aluminum and brass trimmed robot... but with the popularity of 3D printing, iridescent green plastic seems to do … Read more
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
ModULO is a robotic action figure that features an animated eye (LED matrix) and heartbeat indicator - running on an Adafruit Trinket. Field tests (Maker Faire NYC … Read more
gyro wheel toy plays itself
New video using smoothing routine(linear) and my bicycle speedometer reed switch. Using the smoothing routine only on the downstroke. Much smoother operation … Read more

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




Recently collected


Autonomous operation,solenoid engine powered
This creation was a test to build a robot using a solenoid engine that I had made previously, and to make a functional robotic forklift using sensors, with a … 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