Communication plays an important role in this home automation system for remote access to these operations. The programmable controller allows connecting various sensors and actuators through various input and output modules whether they are analog or digital.Īctuators are the final controlling devices like limit switches, relays, motors, and other controlling mechanisms which finally control the home equipment. This program can be modified based on load operations. These sensors can be thermocouples or thermistors, photodetectors, level sensors, pressure sensors, current transformers, IR sensors, etc., which need additional signal conditioning equipment to communicate with the main controller.Ĭontrollers may be personal computers/laptops, touchpads, smartphones, etc., attached to the controlling devices like programmable logic controllers that receive the information from the sensors, and based on the program, control the actuators. The sensors detect light, motion, temperature and other sensing elements, and then send that data to the main controlling devices. This system is mainly implemented by sensors, controlling devices and actuators as shown in the figure.
Centralized control of lighting equipment, air conditioning and heating, audio/video systems, security systems, kitchen appliances and all other equipment used in home systems is possible with this system. It involves automatic controlling of all electrical or electronic devices in homes or even remotely through wireless communication. With the energy-saving concept, home automation or building automation makes life very simple nowadays.
A home automation system makes the operations of various home appliances more convenient and saves energy.
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