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Why is my BJT current control circuit not controlling current?
I have built this circuit (except the Re I bought came out to Re = 0.21 ohms after measuring it, so I used Rin = 680 ohms and R1 = 18k) to control current through eight of these LEDs using this BJT.
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How to increase the current in this circuit?
Im trying to build a circuit to send information using IR led, using pulse signals (Im trying to mimic a home appliance remote control).
My leds (datasheet) operate at 1.3V, and their maximum pulse ...
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