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Everything posted by Adam850
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One more thing: I plan to use the last ciricuit above. What wattage resistors should I use, and what should Rin's value be?
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I will be attempting to make a LED sign, but first I need to do some research. My first question is: What is a shift register, and how does it work?
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Like so? This will work without much problem, running a lightbulb? The tungsten filiment is coiled, does that make it an inductive load? Thank you for pointing me to this solution, though.
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If you type in the name of the chip and then "datasheet" you'll get: http://www.fairchildsemi.com/ds/NE/NE555.pdf http://www.national.com/ds.cgi/LM/LM341.pdf http://www.jameco.com/wcsstore/Jameco/Products/ProdDS/44581.pdf http://www.daisy-laser.com/products/CD/handset/handset1/irreceiv.pdf
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Thank you. I ordered three MOC3041s. Just to be sure, the MOC3041 controls the triac, right?
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I am trying to use a triac to replace a broken relay in a circuit I made. A 555 is setup to flash on and off about every second. The positive pulses go to a relay, which controls a 60W 120VAC light bulb. I have bought a triac to replace the relay, but I don't exactly know how to use it. Relay: Coil: SPST 12 volt, 20mA, 250 ohm Contacts 0.5A @ 125 VAC Triac: VRRM: 300V ITRMS: 4A Max IGT(I & III) 30 mA Max VGT 2.5 V Max IH 30 mA Min How can I use this triac? P.S. Do I need to heat sink it?