ppppking04
New Member
What is the current should in the IR emitter to have sufficient range (around 15-20 cm) ?
Should a transistor be used to drive the LED?
Thank you...
Should a transistor be used to drive the LED?
Thank you...
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ur query is vauge still...ppppking04 said:What is the current should in the IR emitter to have sufficient range (around 15-20 cm) ?
Should a transistor be used to drive the LED?
Thank you...