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Results tagged with led
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user 4336
An LED is a light-emitting diode. Lighting an LED is considered the "Hello world" of a circuit design, and it can be as simple as using a series resistor, or it can get more complicated, involving PWM and multiplexing.
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Simple transistor switching example should show LED off
UPDATE
So even when I remove the switch, the LED is still on (see image below). I.e. there's nothing connected to the base; only to the collector. … Diagram shown below:
Problem I'm having is that my circuit always has the LED ON when in theory the LED should be off when the button is not pressed because there is no voltage applied to the base of …
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