# Pi keyboard node with internet connection looses characters

**URL:** <https://discourse.nodered.org/t/pi-keyboard-node-with-internet-connection-looses-characters/76712>\
**Category:** General\
**Created:** [19 March 2023 13:02 UTC](https://discourse.nodered.org/t/pi-keyboard-node-with-internet-connection-looses-characters/76712 "2023-03-19T13:02:45Z")\
**Posts on this page:** 2\
**Page:** 2

<div class="post-metadata">

**Author:** ![NoriAbe](https://avatars.discourse-cdn.com/v4/letter/n/48db29/32.png) [@NoriAbe](https://discourse.nodered.org/u/NoriAbe)\
**Post date:** [25 March 2023 06:45 UTC](https://discourse.nodered.org/t/pi-keyboard-node-with-internet-connection-looses-characters/76712/21 "2023-03-25T06:45:43Z")

</div>

Hi, today I realized USB ports acitvities between 3B and 4B are different.  
I'm wondering those differences causes problems. So I'm thinking USB  
ports activitiy on my Ras Pi 3B is wrong.

Both behaviors are from D- line (I think), USB 2.0 ports.

These are the behaviors from Ras Pi 3B.

 ![image](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/c/4/c46fa077cbcc29d1b530d03b2616a05ccd738075.jpeg)

And these are the behaviors from Ras Pi 4B.

 ![image](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/f/b/fbf66df2a9c235d3f51034b710c6075925785469.jpeg)

4B's behavior seems to be more stable than that of 3B.

Please give me any advices, please!

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [24 May 2023 06:46 UTC](https://discourse.nodered.org/t/pi-keyboard-node-with-internet-connection-looses-characters/76712/22 "2023-05-24T06:46:27Z")

</div>

This topic was automatically closed 60 days after the last reply. New replies are no longer allowed.

[Previous page](https://discourse.nodered.org/t/pi-keyboard-node-with-internet-connection-looses-characters/76712.md?page=1)