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Got a bit of a question for anyone who knows a bit about robotics. Most actuators work with gears for changing speeds and torque, right? But the problem for me here is that gearing only provides discrete values while for my project I need something that can cover a whole lot more. Are there any actuators that allow me to specify a given torque/speed and then have it run as such without relying on gears?

Really I should specifiy that I need an actuator that can provide a specified amount of torque at any given time.

Well you can use a simple DC motor, the torque is proportional to the current flowing in the motor. You can control the current using a motor driver, these are provided by motor manufacturer, some drivers can even be set using some kind of PC interface. Finally you can control the driver using a MCU, or just an arduino.

>>823 Thanks, anon. That should work well enough.