Wireless sensors, namely, wireless temperature sensors, wireless pressure sensors, wireless vibration sensors, wireless ultrasonic sensors, wireless proximity sensors, wireless infrared motion sensors, wireless ultrasonic distance sensors, wireless surface acoustic wave sensors, wireless position sensors and wireless acceleration sensors; wireless electric sensors for measuring strain, humidity, g-force, inclination, impact force, length of run-time, voltage, electrical current, liquid flow, light, touch, smoke, mechanical switch input, magnetic switch input, light switch input, switch output and switch input voltage, floodwater, motion, infrared motion, distance, time of flight distance, color, voltage pulses, current pulses, incremental encoded pulses, electromagnetic pulse events, bending, radio frequency, microphone sound, viscosity, radiation, global positioning system location, imaging sensors, force, density, speed sensors, rotational speed, rotational acceleration, depth, angle, flames, fluid viscosity, stretch, compression, traffic, flatness, sonar, torque, interferometry, calorimetry, transition edge, timing, orientation and angular velocity, inertial navigation location, Hall effect, optical and rotary encoding, linear distance, air quality, contaminants, count number, seismism, chemical concentrations, mixture content, gas concentration, liquid level, container fill-level, moisture and magnetic forces; wireless electric sensors that change resistance with a change in the object being measured; wireless electric sensors that change voltage with a change in the object being measured; wireless electric sensors that change electrical current with a change in the object being measured; wireless electric sensors that change inductance with a change in the object being measured; wireless electric sensors that change capacitance with a change in the object being measured; wireless electric sensors that write data to memory to be downloaded at a later time