Mechaduino 0.2 PCBs Available (cheap servos)

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Mechaduino 0.2 PCBs Available (cheap servos)

Postby Stephen » Sun May 07, 2017 8:57 pm

For those that dont know there is a low cost way to get industrial precision servos for the price of steppers... use them in your next 3d printer or robotics builds... they just came in stock yesterday.

http://tropical-labs.com/index.php/prod ... no-0-2-pcb


More information:
https://hackaday.io/project/11224-mechaduino


I just ordered one to play around with, but wont be able to mess with it anytime soon. If anyone is interested in doing some comparison tests to steppers I can drop it by the makerspace.


Application Examples:
    Fine, closed loop positioning for 3D printers
    Fine pointing for optics (laser, telescope, camera gimbal)
    Velocity loop for a record player
    Force feedback/impedance control for robotics
    Force feedback for gaming controllers
    Adjustable mechanical impedance: virtual spring,mass,damper
    Electrical gearing between two axes on a cnc machine, etc.
    Haptics
    Tele-operation
    Gravity-cancellation (counter the gravitational torques on a robotic arm for example)
    Load detection and characterization (simple case: use as a scale!)
    Paper towel/tp dispenser
    Variable load (brake)
    Variable load (generator)
    After market valve control (automate a garden hose, etc)


Other Advantages:

    Finer resolution than stepper motors (0.02 degrees)
    True closed loop for disturbance rejection
    Lower power consumption: only uses power to fight disturbances. This in turn means higher peak torque.
    Absolute position control (not incremental). No need to home on power-on
.


Stephen
 
Posts: 10
Joined: Wed May 03, 2017 7:29 pm

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