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Old 04-09-2009, 03:19 PM   #1
taKuto
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Current is equal within one series circuit. Voltage drops on each LED. For my setup it's 3 LED's per circuit, so 60mA flows through all three LED's. Each LED gets 60mA and drop some voltage. A resistor drops the rest to maintain the current value (i believe i used 18ohms, cant remember) since the power source is a regulated 12V LM7812. These LED's are multichip, china overrates them at 100mA, so I run them at 60mA.
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Old 04-09-2009, 03:32 PM   #2
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series-parallel
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Old 04-09-2009, 03:40 PM   #3
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quick sketch of the setup should be easier to understand :)
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File Type: pdf led.pdf (50.4 KB, 30 views)
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Old 04-16-2009, 02:32 PM   #4
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Quote:
Originally Posted by taKuto View Post
Current is equal within one series circuit. Voltage drops on each LED. For my setup it's 3 LED's per circuit, so 60mA flows through all three LED's. Each LED gets 60mA and drop some voltage. A resistor drops the rest to maintain the current value (i believe i used 18ohms, cant remember) since the power source is a regulated 12V LM7812. These LED's are multichip, china overrates them at 100mA, so I run them at 60mA.

Man i work at radioshack and have no idea what the hell yall are talking bout
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