Let's Make Robots!


Raspberry Pi Lego car

Hello all,

I'm making my first robot using Raspberry Pi. My robot looks like a car with three wheels. Two of them are in front and have connection to motors, The third one is behind and it's no connection to motors.

I'm planning to use 2 simple motors (for each front wheel one). For now my robot weight 260g, and i have to add two motors and battery and i little of more constuction for holding motors and battery. I'm already found which type of motor should i use:

Motraxx MOTOR X-FLY 400 or Moteaxx MOTOR X-FLY 280.

Completes missions, follow IR commands, "search & destroy", avoids traps
Using a
Several months ago I have found on my "homestock" pair of metal tuning treads for Heng Long Panzer Tiger. Had no idea what to do with that I put it back. Later I … Read more

Servo motor for industrial arm

I have a couple of questions about buying servos. And I don't know how to google what I want so I will just ask it here.

I need a servo that has torque around 1500kg/cm. It can be AC, i have 220V for it. And it musnt be to heavy, becouse i need to make an industrial arm with it, so one would carry atleast 4 more. I would just like links for shops where i can buy that.

Windshield wiper motors, have you tried'em?

Have any of you experimented with windshield wiper motors? I know they've been used in budget robotwars fighters. I just need to get an idea what kind of strength they have (with the original gearbox).
Will it be able to pull 20 Kg vwith a 20 cm diameter wheel mounted directly to the output shaft? what abot 50 Kg? -or a 100?