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I know LEDs require a resistor to "regulate" the current. But if supply voltage (in this case 3.3v) is within the vFmin / vFmax range, does it really need 12-ohm one still? The wires are pretty close to that. Or is this just a bad idea to have supply voltage near LED forward voltage? -Bruce |
February 23, 2014 |
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These examples may help you in the design of LEDs with series dropper resistors: https://www.circuitlab.com/circuit/z79rqm/leds-with-resistor-biasing/ https://www.circuitlab.com/circuit/mp673a/two-leds-separate-vs-shared-resistor/ https://www.circuitlab.com/forums/optoelectronics/topic/6vu3zs7w/how-to-add-an-anonymous-led/ https://www.circuitlab.com/forums/basic-electronics/topic/8vmgc6wx/led-headphone-jack-tester/ |
February 24, 2014 |
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