• Source robotics motors and motor controllers

    Motor controllers

    Spectral Micro is a brushless motor controller designed to offer affordable and capable hardware for robot development. It is ideal for quadrupeds, robotic arms, grippers, inverted pendulums..

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  • Parol6 commander software for control of robotic arms

    Open source code and robot design

    PAROL6 robot has a modern and intuitive user interface with all the features that robotic control software needs: jog control, data telemetry, error logging, and the ability to write custom scripts!

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  • gray parol6 robot next to a commander software screen

    Education, research and industry

    PAROL6 robotic arm has open source mechanical design, software and BOM allowing you to build your own robot. Alternatively you can buy fully assembled robot or KIT version.

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  • Robot arm; Repeatability and accuracy

    Robot arm; Repeatability and accuracy

    Petar Crnjak

    Not all robots are built the same—there’s a big difference between hobby robots with plastic gears and precision-engineered industrial arms. What defines a robot's real-world performance? Key factors include accuracy,...

    Robot arm; Repeatability and accuracy

    Petar Crnjak

    Not all robots are built the same—there’s a big difference between hobby robots with plastic gears and precision-engineered industrial arms. What defines a robot's real-world performance? Key factors include accuracy,...

  • Motor Power: Nominal, Electrical, Mechanical, Efficiency

    Motor Power: Nominal, Electrical, Mechanical, E...

    Petar Crnjak

    What’s the difference between electrical power, mechanical power, and nominal motor power? How do current ratings like full load, rated, and nominal differ? This comprehensive guide breaks down the essential...

    Motor Power: Nominal, Electrical, Mechanical, E...

    Petar Crnjak

    What’s the difference between electrical power, mechanical power, and nominal motor power? How do current ratings like full load, rated, and nominal differ? This comprehensive guide breaks down the essential...

  • open loop stepper vs closed loop

    Closed loop stepper vs open loop stepper

    Petar Crnjak

    Stepper motors are widely used in open-loop systems for their simplicity and cost-effectiveness, but they suffer from missed steps, resonance, and energy inefficiency. This blog explores how closed-loop control—especially using...

    Closed loop stepper vs open loop stepper

    Petar Crnjak

    Stepper motors are widely used in open-loop systems for their simplicity and cost-effectiveness, but they suffer from missed steps, resonance, and energy inefficiency. This blog explores how closed-loop control—especially using...

  • Motor Constants KV, Kt, Ke, Km explained

    Motor Constants KV, Kt, Ke, Km explained

    Petar Crnjak

    If you've spent any time working with BLDC or PMSM motors, you've probably encountered terms like KV, Kt, Ke, and Km. These constants are often thrown around in datasheets, forums,...

    Motor Constants KV, Kt, Ke, Km explained

    Petar Crnjak

    If you've spent any time working with BLDC or PMSM motors, you've probably encountered terms like KV, Kt, Ke, and Km. These constants are often thrown around in datasheets, forums,...

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