Read multiple digital input from one digital output.

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mbratch
Posts: 298
Joined: Fri Jun 11, 2021 1:51 pm

Re: Read multiple digital input from one digital output.

Postby mbratch » Wed Oct 05, 2022 8:48 pm

It seems if your gpios 3, 21, and 19 are configured with pull-down resistors, then it should work fine. As was suggested before, you don't need gpio 23 to feed 3.3v. Just use the 3.3v voltage source.

Gandalf
Posts: 6
Joined: Mon Jan 17, 2022 8:49 pm

Re: Read multiple digital input from one digital output.

Postby Gandalf » Thu Oct 06, 2022 3:02 am

mbratch wrote:
Wed Oct 05, 2022 8:48 pm
It seems if your gpios 3, 21, and 19 are configured with pull-down resistors, then it should work fine. As was suggested before, you don't need gpio 23 to feed 3.3v. Just use the 3.3v voltage source.
Thanks.

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