Convert digital signal from TTL 5V to Raspberry Pi GPIO 3.3V

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LordOfThunder

Joined Jun 27, 2018
67
It turned out it was a problem with the breadboard. Once I soldered the components on the PCB that I designed, the problem disappeared. It must have been a short or flimsy contact on the breadboard. Sorry for bothering you again. Thank you to everybody for bearing with me.
 

djsfantasi

Joined Apr 11, 2010
7,749
As a thank you to everybody here are some photos of the final product:
<link removed>
Please post the photos here. The link you provided required access to all photos on my phone and Bluetooth on my phone.

No thanks.

When you’re posting, use the “Attach files” button to upload your photos.
 
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