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by ryuujin
Wed May 18, 2016 10:08 am
Forum: Beginners
Topic: Arduino + Raspberry Pi connection through 3.3 and relay?
Replies: 10
Views: 3074

Re: Arduino + Raspberry Pi connection through 3.3 and relay?

Yeah I know there are several ways to do this I guess, but the thing is - I have no idea where I would get a hold of those things here in Norway... There are e-shops of course, but then I'd have to wait for the products to arrive and they are often extremely expensive because of a "minimum orde...
by ryuujin
Wed May 18, 2016 9:37 am
Forum: Beginners
Topic: Arduino + Raspberry Pi connection through 3.3 and relay?
Replies: 10
Views: 3074

Arduino + Raspberry Pi connection through 3.3 and relay?

Hi I asked a while ago on how to connect an arduino and a raspberry pi together, so that a button press on the Arduino would result in a file playback on the RPi. The answers I got on this matter was that the Uno and the RPi could not directly be connected together because the HIGH signal on a RPi i...
by ryuujin
Tue Apr 26, 2016 8:31 pm
Forum: Beginners
Topic: Arduino + Raspberry Pi -> Playback file easiest way?
Replies: 6
Views: 1069

Re: Arduino + Raspberry Pi -> Playback file easiest way?

What if I just connected the RPi with the Uno directly through USB? Could I not then have the Arduino relay the button presses to the RPI and have it act accordingly? I do not know python, but I copy/pasted some code I found around, please tell me if it looks like I am on the right path. I am afraid...
by ryuujin
Tue Apr 26, 2016 2:02 pm
Forum: Beginners
Topic: Arduino + Raspberry Pi -> Playback file easiest way?
Replies: 6
Views: 1069

Re: Arduino + Raspberry Pi -> Playback file easiest way?

I found something like this: http://www.ti.com/lit/ds/symlink/txb0108.pdf Is this what I am looking for? Should I then hook it like this: (see page 3): Raspberry Pi vcc / v-in to Vcc-A on level shifter Arduino UNO vin -> Vcc-B on level shifter Arduino Uno pin (pin 10 as used in the sketch) -> B2 on ...
by ryuujin
Tue Apr 26, 2016 7:45 am
Forum: Beginners
Topic: Arduino + Raspberry Pi -> Playback file easiest way?
Replies: 6
Views: 1069

Arduino + Raspberry Pi -> Playback file easiest way?

Hi I want to configure my Raspberry Pi to work together with one of my many Arduino Unos like this: I have a button configured on the Arduino Uno, when that button is pressed, the Arduino Uno starts a countdown which is outputs to a Serial LCD screen. Simultaneously, it should output a HIGH signal t...

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