The lightbulb's temperature and the control signal. The control logicĮmployed for determining when to switch the relay on and off is implemented within Simulink, which is also employed for visualizing That is, the digital output alternately connects and disconnects the lightīulb from the AC power source (from the wall) via the relay in order to turn the light bulb on and off. The Arduino board is also used for generating the Digital Output that switches the solid-state relay on and off. The Arduino board provides power to the sensor and reads the sensor output via an Analog Input. The temperature of the lightbulb is measured in this example with a TMP36 sensor (cheap, relatively accurate, sufficient range). AC solid-state relay (hockey-puck type, etc.).lightbulb (incandescent, LED, CFL, etc.).
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