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Copy edited. Eliminated the sentence fragment. Used a more direct cross reference (as user names can change at any time).
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edit approved Sep 13, 2023 at 8:11
Peter Mortensen
edit approved Sep 13, 2023 at 8:11
Peter Mortensen
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As an extension to @Dario.Casciato s responseDario.Casciato’s response, there are not only I2CI²C I/O expanders, but also the simple 74HC595 IC, which can be cascaded and used via Arduino's shiftOut function. Needs 3It needs three signal pins for 8 / 16 / 24 ... outputs.

LinkThe link is not a purchase recommendation, but rather a technical hint.

As an extension to @Dario.Casciato s response, there are not only I2C I/O expanders, but also simple 74HC595 IC, which can be cascaded and used via Arduino's shiftOut function. Needs 3 signal pins for 8 / 16 / 24 ... outputs.

Link is not a purchase recommendation but rather a technical hint.

As an extension to Dario.Casciato’s response, there are not only I²C I/O expanders, but also the simple 74HC595 IC, which can be cascaded and used via Arduino's shiftOut function. It needs three signal pins for 8 / 16 / 24 ... outputs.

The link is not a purchase recommendation, but rather a technical hint.

Source Link
DataFiddler
DataFiddler
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As an extension to @Dario.Casciato s response, there are not only I2C I/O expanders, but also simple 74HC595 IC, which can be cascaded and used via Arduino's shiftOut function. Needs 3 signal pins for 8 / 16 / 24 ... outputs.

Link is not a purchase recommendation but rather a technical hint.