Elektronik Atölyem

7805 pins: a 5 V regulator

The classic source of a fixed 5 V. The whole 78xx family (7809, 7812...) has the same pinout. Tap a pin.

Where you'll meet it The 5 V supply of almost every board (family: 7805, 7809, 7812, 7815; negative: 79xx)

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