Electronics > Beginners
How do I calculate the current draw of an LED if I don’t run it at full power?
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ledtester:

--- Quote from: Blitzschnitzel on September 11, 2019, 08:52:54 pm ---For C_FILT it says "Capacitor used for audio". Since I am not connecting a microphone, I can also ditch that, right?

--- End quote ---

If you're making a PCB I would still add a footprint for it as well as the decoupling cap for the audio input pin even if you don't populate those components.

I'd also make the AD pin jumperable to either GND,  Vcc, SCL or SDA - either via a solder bridge or through-hole jumper wire. Again - to make the board more versatile.
Blitzschnitzel:
Yes, that is good advice. I'll setup to board to leave all options open.
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