SJR Technologies

Electronic Products and Services

Portfolio

Developed hardware, software and web applications for an video employee training system.

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E-mail: info@sjrtech.com

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Designed from the ground up to provide a compact industrial controller solution for measurement applications.  Included DeviceNet, USB 2.0, analog and digital I/O and embedded ladder logic controller.

Developed an automatic power controller for use with electric cooking skillets.  The device provided uniform temperature to the skillet surface while decreasing the power consumption.

Skillet Controller Prototypes

Designed a production level circuit assembly from prototype specifications.  Reduced size, cost, weight and power consumption of the prototype.  Also, wrote custom software to interface hardware to virtual reality software.

Bicycle Trainer ProtypeMade in the U.S.A.

Developed a linear measurement probe interface with on-board stored limits and colored LED indicators.  Also designed custom ARM based Linux smart-phone-like PC system complete with Ethernet, USB and a 4.3” LCD touch-screen.

Designed and built control system for use with electric guitar foot-pedals (for sound effects).  Uses Bluetooth® and Android app for setup

Developed electronics and firmware for a family of medical devices including disposable Bluetooth® devices and a custom Linux based tablet-like HMI device

Developed electronics and firmware for a family of medical devices including disposable Bluetooth® devices and a custom Linux based tablet-like HMI device