#si1143

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Compeletion

INPUT

1. proximity

2. direction(location)

OUTPUT

1. brightness of light(dimming)

2. colour of light

DEVELOPMENT PLAN

1. code to lighten two or more bulbs together

2. put a dot matrix under the sensor, indicating the sensor, leading audience to approach to it.

FINAL CODE

code

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Housing

Sawing was painful.

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5 channel AC dimmer + proximity sensor

Serial port(proximity sensor) stopped when I tried an edited version(for 5 bulbs) of code that I used for dimming 2 bulbs. I assume that the complexity of the code brought about too much load on Arduino board because every 10 milliseconds it had to calculate each different 'timings to open 5 triac gates'. So I simplified a code which I got from Arduino forum by merging and regrouping if statements. Then I could make it work.

I tried to code for lightening two or more bulbs simultaneously since my concept of this project is colour mixture by light sources, but every time I tried, serial port stopped. However, I'd like to stick to it.