[ A mesh network of temperature probes which measures the internal temperatures of compost piles and wirelessly transmits the temperature data to a computer; ] Access control and alarm monitoring systems; Alarm monitoring systems; Alarm that utilizes pressure sensitive pads to monitor patients or resident movement; Climate control systems consisting of digital thermostats for cooling equipment, and a programmable logic controller (PLC) with input and output features for temperature and humidity, which works with a remote digital read out controller; Computer hardware and software system for tracking people, objects and pets using GPS data on a device on the tracked people, objects and pets; [ Electronic devices for animal locating and tracking programmed to use global positioning systems (GPS) and cellular communications; ] Global positioning system (GPS) consisting of computers, computer software, transmitters, receivers, and network interface devices; [ GPS data logger for recording trips and classifying them into different accounts; GPS navigation device; ] GPS tracking device to be worn on the wrist of an athlete during endurance events; [ Hardware and software adapter for coupling a GPS receiver to the microphone input of a digital camcorder; ] Port security and shipping container scanning system comprising electronic x-ray scanners, video cameras and recorders, and GPS transceivers; Radio frequency identification (RFID) credentials, namely, cards and tags, and readers for radio frequency identification credentials; Radio frequency identification (RFID) tags; RFID readers; [ RFID tags worn by pets that activate pet care devices; ] Temperature controller for controlling temperature of medical instruments and containers for medical fluids; Temperature controllers for warming and cooling medical and surgical liquids, equipment and instruments; Vehicle locator and recovery device programmed to use global positioning systems (GPS) and cellular telecommunications; Vehicle mounted GPS sensor for determining the rate of motion for a vehicle; Wireless remote temperature and humidity monitors for building maintenance