Profile: Q Systems Engineering, Inc. specializes in the development of embedded electronic controls. We also provide contract development services. Our capabilities include high-density surface-mount PCB layout and hardware & real-time embedded firmware development. Our high-density surface-mount PCB layout saves space and lowers manufacturing costs. We can do controlled-impedance traces for RF and high-speed signals lines as well. We develop various hardware & real-time embedded firmware that include telephone control & signaling, video process/switching, A/D sampling & conversion, voice dialer, symmetric-key encryption for secure bootloaders & data transmission, and RS-232/422/485 serial communications, allowing easy interface to COTS equipment. We develop critical communications interface and supervisory system board for satellites. Our HomeSaver multi-zone remote property monitor and controller allows for remotely monitoring & controlling systems on the property from any telephone, anywhere. It serves as a freeze alarm and a high or low temperature monitor. It can interface with temperature sensors, door switches, motion detectors, heating & cooling systems, power outages and freezers & refrigerated spaces. Our HomeSaver listens for loud noises like smoke or intrusion alarms using digital signal processing to differentiate between an actual alarm or a loud noise. With caller-ID on call waiting (CIDCW) capable telephone equipment, it can display information on the caller ID readout, making it perfect for the hearing impaired.