• Embedded Systems Design, electronics applications where the software meets the hardware.

  • Industrial Embedded Controllers - real-time measurement and process control.

  • Medical Instrumentation

  • Real Time Operating systems, kernel and kernel services level.

  • TCP/IP Communications and Protocols.

  • Serial communications, USB, SPI, I2C, RS-232, RS-485

  • Unix and Linux Servers: Installation and Maintenance

HJohnson Consultants has been in the Software Engineering  and Consulting business for over 22 years.

During this period we have worked on a variety of projects, including design and development of medical devices, laboratory and diagnostics instruments, control, measurement and data acquisition systems, wireless communications systems and security systems. Installation and maintenance of various Unix Servers and server systems and infrastructure by our Unix/Linux personnel. We have designed and developed numerous consumer, medical and industrial products.