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#1
04-01-2007, 02:20 PM
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First, I don't know how you melted a 555, they're pretty robust. For the capacitor, this should help. http://en.wikipedia.org/wiki/Electrolytic_capacitor
What are you trying to accomplish with this circuit? 
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#2
04-01-2007, 08:45 PM
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He's probably making a wave timer, using the relay to control a couple of powerheads. Best to use Maxijets in this situation as they are the only powerheads that can handle the frequent starts well.
I can't imagine how you melted that chip. Are you sure you didn't short it somewhere? Here's a cool wavemaker circut http://ealex.aqua-web.org/wavebox/circuit.htm
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#3
04-02-2007, 12:28 AM
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I didn't really melt the chip, but I exchanged it at work anyways just in case. The breadboard melted where the contacts from the chip came in though.
I've done a lot more research today, and now it's the fun part of sourcing out a 0.1 uf electrolytic capacitor.
__________________
Everything I put in my tank is fully dependant on me.
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#4
04-02-2007, 02:51 AM
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here download this program....tells you everything you need!!!
http://555-timer.clarkson-uk.com/program.html
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500G Mixed Reef  __________________________________ Electrician, Electronics Technician, I can help with any electrical questions you might have!! __________________________________ Kevin
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