YEI Technology Division
The Technology Division provides products in robotics, MIDI control, motion control, servo motor control, and show/performance controls. We also provide custom engineered control solutions in these areas.
- ServoCenter™
- ServoCenter™ controllers allow RC servo motors to be easily controlled for uses in robotics, animatronics and other motion control situations, via USB, MIDI, and serial packages, or via on-board programming.
- ServoCenter Downloads
- A library of ServoCenter documentation, including manuals, protocols, schematics, drivers, application notes, source code, DLL programming, ActiveX control, direct serial I/O, firmware updater, control panel utility, sequencer, and other tools.
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- SC-BASIC Sequencer / BASIC Interpreter
- SC-BASIC Sequencer / BASIC Interpreter allows ServoCenter 4.1 boards to be programmed to perform various tasks via the use of a simple tokenized BASIC-like scripting language. This feature can be used to implement customer specific logic, I/O, and servo control tasks without the need for a PC or other external command device.
- ServoCenter Customer Projects
- Showcase of commercial and hobby implementations of ServoCenter.
- BugBrain
- Robotic walking insect kits used by many schools as part of their computer programming curriculum, from elementary school through introductory college courses, as well as in home schools and after-school enrichment groups.
- BugBrain Educator Packs
- Classroom coursepaks, including instructor manuals, student workbooks, and package discounts.
- PScreen: An Intuitive Python Graphics Module
- An Intuitive Python Graphics Module providing simple 2D drawing and graphics functions as well as mouse and keyboard I/O.
- Replacement Parts
- Replacement parts and additional components.
- Technology Division News
- Product updates and press releases.
- Tech Newsletters
- For users of BugBrain and ServoCenter.
The YEI Technology Division also provides custom solutions for clients. Contact us for more information.

