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Step 4Adding Web Control
If you looked through the sketch, you noticed that I also read the serial port, and act on a few single character commands. The 'n' character turns on all the lights, and 'f' turns them off. The numbers '0'-'5' toggle the state of the light connected to that digital output.
So you can easily throw together a CGI script (or servlet, or whatever web technology floats your boat) to control your lights remotely. The Serial.writes also output whenever a light is changed from user input, so the page can have Ajax updates to show the current state.
Another thing I'm going to experiment with is detecting motion in a room. People reflect light, and as they move that light will change. That's the 'delta' part of the write statements I have.
So you can easily throw together a CGI script (or servlet, or whatever web technology floats your boat) to control your lights remotely. The Serial.writes also output whenever a light is changed from user input, so the page can have Ajax updates to show the current state.
Another thing I'm going to experiment with is detecting motion in a room. People reflect light, and as they move that light will change. That's the 'delta' part of the write statements I have.
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