Dev Kit Weekly: ST EVALKIT-ROBOT-1

May 4, 2020 Perry Cohen

In this edition of Dev Kit Weekly, Embedded Computing Design associate editor, Perry Cohen, reviews the ST EVALKIT-ROBOT-1.

Despite measuring just 40 by 40 mm, the board is packed with a ton of great features, including lots of IO and enough compute power for most IoT applications.

The EVALKIT-ROBOT-1 also features hall sensors and MODBUS communication protocol through RS-485.

But the thing that really makes this kit stand out is that it ships with a maxon EC-i 40 motor that offers a nominal speed of about 4000 RPMs. That’s something you don’t see too often. For control of that motor, the board integrates a relatively powerful 3-phase motor controller. A Cortex M0 microcontroller serve as the brains behind that motor controller. And it’s designed so the MCU can perform field-oriented control with close-loop positioning.

The included maxon motor operates over an input range of 12 to 45 volts. It provides a high torque density and low cogging torque. The EC-i 40 motor can be used for high-precision positioning and speed control, especially when its couple with the maxon ENX 16 EASY 1024 pulses incremental encoder, which operates at 5 Volts.

If you want to snag one of these kits for yourself, you can for $129.

OR, as always, you can enter this week’s raffle and take a chance at winning one for free.

About the Author

Perry Cohen

Perry Cohen, associate editor for Embedded Computing Design, is responsible for web content editing and creation in addition to podcast production. He also assists with the publication’s social media efforts which include strategic posting, follower engagement, and social media analysis. Before joining the ECD editorial team, Perry has been published on both local and national news platforms including (Phoenix), (Phoenix),, Cronkite News, and MLB/MiLB among others. Perry received a BA in Journalism from the Walter Cronkite School of Journalism and Mass Communications at Arizona State university. He can be reached by email at <a href=""></a>. Follow Perry’s work and ECD content on his twitter account @pcohen21.

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