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Topic: Jumbotron? (Read 584 times) previous topic - next topic

fubbi


I am looking at building a large array of dimmable lightbulbs. Most dimmer circuits I looked at are quite complex (for me). Especially if you need 400 of them.
Any ideas how to simplify the process? Can I dim a lightbulb using a circuit like this http://www.velleman.eu/distributor/products/view/?id=9071 and PWM?

cheers

fubbi

PaulS

Quote
Specifications

    4 triac outputs: 1.5A (uncooled, 4A cooled)
    power supply: 9VDC, 200mA

That's not within the capabilities of an Arduino, without some additional hardware.

How are you going to control 400 of these with 6 PWM pins?

fubbi


I guess dimming is a pipe dream. So if I go for switching I should still look at triacs right? I did a lot of relay switching but it is expensive and bulky.

fubbi

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