In electronic and industrial automation systems, relay modules play a crucial role by allowing low-power control signals to switch high-power devices. Selecting between a 5V relay module and a 12V ...
I have OpenHAB running at home for home automation. I also run an HRV for my house. The Control Panel obviously displays house and roof temperatures and controls the fans to dump air into the house ...
The project illustrates the control of a PC fan speed and using an Arduino microcontroller to read a LM35 temperature sensor. The use of an optocoupler is covered along with Pulse Width Modulation ...
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