Connecting RPi & Arduino Over Serial GPIO : Query.

@abhishek-fg9tRh • Oct 17, 2024

Oct 17, 2024

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Is there any way to connect RPi & Arduino over serial GPIO without using Dual-Logic Level converter (5.0V <-> 3.3V) ?

If there's any then kindly teach me the method.
Tell me the correct method, I don't want my Pi get bricked.

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Jeffrey Arulraj

@jeffrey-xA7lUP • Sep 17, 2013

#-Link-Snipped-#

Do feel this will work out for you?

I found this as a way of connecting the Rpi and arduino I am looking for other possible I will post as I find them here

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Abhishek Rawal

@abhishek-fg9tRh • Sep 17, 2013

This is way too much of mindfuck, man.
I wanna keep it simple for that. I can connect RPi with Uno over Serial GPIO using Logic Level Converter, but now I simply wanna know that, is there any other way of connecting Pi with Uno w/o using LLC.

I will be damned if I use that instructables method just for connecting Pi with Uno (because simplest way is available) :

Okay there are few configurations to be done. But it's still simple than the one mentioned in instructables.

Back to query, Any other method of connecting Pi with Uno w/o using LLC ?
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durga ch

@durga-TpX3gO • Sep 17, 2013

the volt variation does need a LLC. nevertheless, there seems to a hack available (involves, replacing the regulator ) if you want to take the plunge here :
<a href="https://learn.adafruit.com/arduino-tips-tricks-and-techniques/3-3v-conversion" target="_blank" rel="nofollow noopener noreferrer">3.3V Conversion | Arduino Tips, Tricks, and Techniques | Adafruit Learning System</a>

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Harshad Italiya

@harshad-ukH5ww • Sep 19, 2013

If you are using Pin in one direction only then I think voltage divider is the best option.
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Abhishek Rawal

@abhishek-fg9tRh • Sep 19, 2013

Harshad Italiya
If you are using Pin in one direction only then I think voltage divider is the best option.
Explain me with circuit diagram ?
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