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Results tagged with gpio
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user 8950
GPIO stands for General Purpose Input Output and can be used to receive and send digital signals to and from simple electronics from the Raspberry Pi.
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votes
Why do LED lights need resistors?
A LED only needs between 1.6 V and 3.6V. If you supply a higher voltage the current would increase more than it is good for the LED.
Every Diode (and also an LED) is not linear, that means if the vol …
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