Wireless Lan Control.

This project gave me the opportunity to control remote lights, visuallize temperatures etc. over my home wireless lan. It was interesting for me to combine embedded design and programing with common PC programing like with VB.

Here is a small functional schematic of the project:

Using the Lantronics WI-Port it was quite easy to take the ATMega16 MCU “on air” because they communicate with each other via the RS232 serial interface and a plain text protocol.  The only barrier in the beginning was to select the correct parameters in both, the WI-Port, that it automatically logs into the router and in the router itself, that it apply’s always the same IP adress to the WI-Port so it would not be necessary to search always I start the PC program for all possible IP adresses in range to figure out which is the WI-Port’s adr..