Niin sanottu Lihakauppias aritmeettinen ir led voltage and current oikeudenkäynti turnaus piilottaa
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Driving an IR LED: constant current source or not – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
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Driving an IR LED: constant current source or not – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
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Infrared LEDs
Resistance' of an LED | LEDnique
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