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SunFounder ESP32 User Manual

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SunFounder ESP32 Starter Kit
According to Ohm’s law, the current through this circuit decreases as the resistance increases, which causes the LED
to dim.
I = (Vp-Vl)/R
To get the LEDs to light up safely and with the right brightness, how much resistance should we use in the circuit?
For 99% of 5mm LEDs, the recommended current is 20mA, as you can see from the Conditions column of its data
sheet.
5.10. LED 711

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SunFounder ESP32 Specifications

General IconGeneral
BrandSunFounder
ModelESP32
CategoryController
LanguageEnglish