This PCB is for a simple but powerful webserver used for controlling of home appliances. The hart of the circuit is the ATmega328 microcontroller. This controller was chosen because for it there ar...Read More…
This PCB is for a simple but powerful webserver used for controlling of home appliances. The hart of the circuit is the ATmega328 microcontroller. This controller was chosen because for it there are available a lot of Arduino libraries. The Ethernet chip used is ENC28J60. A lot of Arduino libraries exist also for it. The webserver is designed in the way that it control 4 channels (3 LED's and a relay). It have two outputs for "status"/"mode" LED's (which of course can be used also for control of other devices). I have used one analog input for some sensor (can be LDR, thermoresistor, thermometer chip, hall sensor, current monitor chip like ACS712...etc).The webserver has two buttons - first for reset, and the second for mode selection or some additional settings. A power indicator LED shows if the webserver is supplied or not.
The movie above demonstrates the webserver functioning using a simple basic program:
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