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Welcome to Let's Make Robots, the robotics community by RobotShop.

You’ll find here a vibrant community of knowledgeable and friendly robotics enthusiasts. Our goal is to offer a place which will foster insightful, respectful, helpful, and most of all fun conversations.

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VICTOR -- The VIC-20 Technology Orphan Robot  Feb 3, 2018 As I mentioned in my bio https://www.robotshop.com/letsmakerobots/node/54012 I have wanted to build a … Read more
Remote control via Android/IOS App, autonomous control via logic, make R2D2 sounds, avoids obstacles
Who hasn't at some time in his or her life thought, "I wish I had an R2D2..."? R2 is surely the most famous robot ever, and its platform isn't all that unrealistic. … Read more
A mechanical replica of the human hand
Using a
Hello everyone, this is my first post on this great site and also my first robotics project. For my final year Mechatronics undergraduate project I decided to … Read more
This project is about implementing a short and relatively easy Arduino sketch to provide XYZ inverse kinematic positioning. I had built a 6 servo robotic arm but … Read more
Personal robot Adam for research and education
Using a
In last video, robot Adam controlled by VR HTC VIVE. Since, the kinematic scheme of the robot is different from the human, the principle of reverse kinematics was … Read more
The garden robot is a project i started 1 1/2 years ago. I got the idea after the FarmBot Was launched on kick starter. I like the idea that a robot could plant … Read more
Drives around wifi controlled
Designed the frame with inkscape, got a friend to print it out with his self-made cnc out of polycarbonate. Very small, less than 10cm * 10cm, low enough to fit … Read more
Navigate via IR Distance
Using a
In the quest to build a robot that provides a function I decided to try and build a Floor Sweeper. I knew that building this would be a challenge. The biggest … Read more
This is my first Biped Bot using the Arduino Nano. Currently Mini-Max has the ability to detect an object in his path using the Sharp IR Sensor. The Bot is 5" Tall … Read more
For sometime I have wanted to do a Wall-E robot and have seen on many other sites where people have done them. I found one recently that was missing the remote but … Read more
It all started one day when I was working on my old CNC engraver last summer at my makerspace. Someone went up to me and said "You should work on this CNC. You have … Read more

dc motor torque

 

Torque

Start torque and cruising torque must be taken into account for the choice of the dc-motor.

We have a force for the setting in motion then a force allowing to maintain the "regime" of cruising, which is weaker. 

Weight and friction occur: at start with the "initial friction" and at the cruising speed with the "residual friction".

We have to consider the slope to climb.

We reduce the problem to the calculation of a slope. 

 

Example

Rossum, Rockets, and R2s

Finally!  A place to hang out and share robot stuff.  I just discovered this place yesterday.  I'm new here, but not new to building robots.  But it has been mostly in isolation.  It gets lonely showing your latest creation to your wife who couldn't care less.  I find that building stuff is a lot more fun when you can share it with others who appreciate what you have done and are like-minded.  In the few chances I've had to talk with other robot builders I have also found their stories of how they got there to be interesting.  So, if you will indulge


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




Recently collected


simulate the Automation of modern manufacturing technologies ,Robotic Arms manufacturing
I have always Read more
  Before we start What is the sumo robot? It is a self-control robots with specific dimensions and features, it is also designed in a Hostile shape which qualify … Read more
April 11th 2018 Update : The Items Used have changed. I Will Update Soon... project : 17 DOF humanoid Robot     Components Used : Read more
This is a work in progress. My daughter (robotics major at Olin College outside of Boston, MA) and I have been working on this for about a year now. Here's a list … Read more
Use simple hand vacuum. Also WiFi connection (esp8266-12). Lua codes web server to connection. Limit switches for motion forward and rear. Bot remembers sequence of … Read more
This project is about implementing a short and relatively easy Arduino sketch to provide XYZ inverse kinematic positioning. I had built a 6 servo robotic arm but … Read more

Recommendation Engine

I have been laid up this winter and have been working from home the past several months.  Idle hands ARE the devil's work so I decided to take on a machine learning challenge at CodeProject.com and build a recommendation engine like Amazon, Facebook etc.  These are interesting pieces of software that in commercial sites can work in conjunction with search engines to lead customers to content, products or items they might never would have looked at otherwise.  In fact, this is something that might be useful on LMR - maybe have a recommendations window for when a user logs in?&