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GPIO Scheda di espansione a cascata multifunzionale per Raspberry Pi 2/3 Model B
US$13.85 US$14.99

D: what is the usefulness of the jumper ?

Domandata da techbvincent il 2019-02-04 08:55:44

koalabi Although the pins at the center might look like GPIO pins, they are not; these are additional power (5V, 3.3V) and ground pins for additional breakouts and equipment. Everything seems to be correctly and clearly labeled. The role of the jumper is indeed not clear (maybe it's there to link all incoming pins with the same voltage together).

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