SDQS Mission Statement

To provide an Electronic Engineering service that will augment clients' capabilities to solve problems and to develop new products and services.


Key Services

  • Applied research
  • Proof of concept

  • Product development
  • Troubleshooting
  • Obsolete part replacement
  • Key person absence 


Recent Technologies and Activities

  • Cortex M series microcontrollers with software written in C have been used in most of the following applications
  • Temperature measurement using RTD, Thermocouple and MEM temperature sensors
  • Controlled voltage and controlled current power supplies
  • Data logging with data stored locally and on remote server
  • LCD and LED array controllers for text and graphics display
  • LED lighting, both passive and with DMX control
  • Design reviews in advance of EMC testing
  • Layout of multilayer PCBs
  • Ethernet using MII peripheral of STM32F107 and library TCP/IP stack with a variety of application layer protocols
  • USB serial ports (RS232 replacement) using microcontroller peripheral and serial to USB bridge 
  • Data communication over cellular network using uBlox modules
  • PC software written in C++ and Delphi
  • Low power systems powered by batteries for data collection and measurement instruments