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John Rodrigues
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 · HonnavarIndia
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Is this configuration right ?

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Claran Martis

Gave the tutorial for programing attiny

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John Rodrigues
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Claran Martis is it OK if use 9v ?

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John Rodrigues
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I have already fixed the arduino to the base so

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Claran Martis
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Oh ok. If the resistance value is higher then the LEDs are safe but if the resistance is low, then the LEDs may be at risk of burning. Using 1k resistor is fine.

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John Rodrigues
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Btw I directly connected the LED to 9v batteries
But it didn’t blow up
So is it safe to give 9v to the IC ?

Claran Martis

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Claran Martis
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Yes you can give 9V to the IC. LEDs don’t blow up instantly but if you keep the same voltage for some time then they burn. LEDs instantly burn out only if the voltage is very high and if there’s no resistor to limit the current. If you use a resistor they are safer as the excess voltage comes across the resistor.

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John Rodrigues
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Ok ,I’ll put a resistor and test

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