User & Safety Instructions 2888837 Kingbright Phototransistor 5 mm
Hints
Unless LED chips come with a built-in current limiter, they need to be protected by a current-limitung resistor or constant current source. Infrared light wavelengths are invisible to the human eye.
Description
Hints
Unless LED chips come with a built-in current limiter, they need to be protected by a current-limitung resistor or constant current source. Infrared light wavelengths are invisible to the human eye.
What kind of IR LEDs & Emitters are you looking for?