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I am working a lot with serial devices through the Internet using WebIOPi, I recently acquired a Raspberry Pi 3 because of the WiFi.

However, when I install the last version of Raspbian and WebIOPi, it doesn't work.

My html project appears in the browser and everything, but the serial devices don't respond to any command.

I don't know what is happening or what I've done wrong or if there is something different that I need to do in order to make WebIOPi work as it should.

EDIT: I saw from another question that the RPI 3 uses /dev/ttyAMA0 for the bluetooth and instead uses /dev/ttys0 as the serial port. Right now I don't see that port on my Pi.

I really need help for this, maybe what I need to do is something really simple, but I can't see what is that.

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2 Answers 2

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Take a look at this link at github. It has a patch for WebioPi that makes it work on the PI2 and PI3. I have used it successfully on the PI2, but have not tried it on the PI3. There is a discussion of the patch at raspberrypi.org

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  • I used that patch for my PI2, but it didn't work on my PI3. Now I am able to send and receive messages with a python script, but for some reason, I can't make it work through the html file that I have previously used with my PI2.
    – Luz A
    Commented Aug 4, 2016 at 13:44
  • I forgot about this question, I found out what was happening, the problem wit the HTML was the order in which I wrote my Javascript functions. Once I changed the order, everything worked as it should.
    – Luz A
    Commented Sep 13, 2017 at 21:25
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If your question is about the serial on the Pi see How-do-i-make-serial-work-on-the-raspberry-pi3

Serial is now /dev/serial0 but is disabled by default on the Pi3.

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  • Now I am able to send and receive messages with a python script, but for some reason, I can't make it work through the html file that I have previously used with my PI2. I added this to /boot/config.txt: enable_uart=1, dtoverlay=pi3-miniuart-bt, dtoverlay=pi3-disable-bt.
    – Luz A
    Commented Aug 4, 2016 at 13:49
  • @LuzA You should put additional detail as an edit in your question, not in Comments. I don't know why you use both dtoverlay=pi3-miniuart-bt and dtoverlay=pi3-disable-bt (not that I have used either). I know nothing about WebioPi but unless you post code or settings no one else is likely to help.
    – Milliways
    Commented Aug 5, 2016 at 0:08

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