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In 1981, United Video Satellite Group launched the first EPG service in North America, a cable channel known simply as The Electronic Program Guide. It allowed cable systems in the United States and Canada to provide on-screen listings to their subscribers 24 hours a day (displaying programming information up to 90 minutes in advance) on a ...
HVAC control system. HVAC (Heating, Ventilation and Air Conditioning) equipment needs a control system to regulate the operation of a heating and/or air conditioning system. [ 1] Usually a sensing device is used to compare the actual state (e.g. temperature) with a target state. Then the control system draws a conclusion what action has to be ...
Media controls on a multimedia keyboard. From top; left to right: skip backward, skip forward, stop, play/pause. Media control symbols are commonly found on both software and physical media players, remote controls, and multimedia keyboards. Their application is described in ISO/IEC 18035. [ 1]
A fire alarm notification appliance is an active fire protection component of a fire alarm system. A notification appliance may use audible, visible, or other stimuli to alert the occupants of a fire or other emergency condition requiring action. Audible appliances have been in use longer than any other method of notification.
A thermostat is a regulating device component which senses the temperature of a physical system and performs actions so that the system's temperature is maintained near a desired setpoint . Thermostats are used in any device or system that heats or cools to a setpoint temperature.
Remote control. In electronics, a remote control (also known as a remote or clicker[ 1]) is an electronic device used to operate another device from a distance, usually wirelessly. In consumer electronics, a remote control can be used to operate devices such as a television set, DVD player or other digital home media appliance.
There are numerous IoT applications in farming [76] such as collecting data on temperature, rainfall, humidity, wind speed, pest infestation, and soil content. This data can be used to automate farming techniques, take informed decisions to improve quality and quantity, minimize risk and waste, and reduce the effort required to manage crops.
Last month’s job growth was far, far softer than expected, and the unemployment rate shot to its highest level since October 2021, according to new data released Friday by the Bureau of Labor ...