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Unanswered Questions

1,758 questions with no upvoted or accepted answers
7 votes
1 answer
10k views

Open Splash Page After Connecting to Wifi Hotspot

I'm using my pi3 to display a local "website" as described here Making a Raspberry Pi 3 accessible w/o configuration via WiFi and static IP/URL. Therefore, I'm creating a hotspot with the pi. This ...
7 votes
0 answers
882 views

Debugging a RPi using SWD

Has anybody been able to figure out how to debug a Raspberry Pi 3 model B using SWD? To be clear, I'm looking to debug the Pi itself using SWD. We've tried setting up the GPIO pins to use JTAG-SWD, ...
6 votes
0 answers
23k views

Bluetooth MAC Address Raspberry Pi 3

I'm trying to connect two raspberry pi 3 betweem them via bluetooth. But the fact is that their MAC addresses are AA:AA:AA:AA:AA:AA Does anyone knows how to assign them a real mac address in order ...
6 votes
2 answers
416 views

Pi4J kills USB bus?

Hello fellow Pi enthusiasts :) I am currently attempting to control a standard 16x2 character LCD display from the PI's GPIO pins from Java. I downloaded Pi4J and wrote a small program to initialize ...
5 votes
0 answers
2k views

RPi-Zero, HID keyboard gadget for BIOS keyboard

After another user related question on this forum I try to get my USB HID Gadget Keyboard running in BIOS. My gadget is the RPi-Z using libcomposite on Raspbian Buster. When I plug my keyboard into ...
5 votes
0 answers
965 views

blank screen on xrdp

xrdp is working up to and until today. I have today "sudo apt-get upgrade" and since then xrdp has stopped working. The login screen comes up but when i get in it is just a blank screen (the aqua one)....
4 votes
1 answer
529 views

Arm Arch Linux 'startx' displays black screen on Raspberry Pi 3

Context: I recently got started with Arch Linux and the whole building your own distro thing. So I put Arch Linux Arm version on my Raspberry Pi 3 Model B v1.2 from the Arch Linux Arm project. I put ...
4 votes
0 answers
1k views

Connecting Pi3 ModelB with a Sony PS3 DualShock controller

I bought the following model of Raspberry Pi3 from Amazon. RASPBERRYPI3-MODB-1GB which claims to support: Bluetooth 4.1, Bluetooth Low Energy And I also got a Sony DualShock PS3 controller with ...
4 votes
0 answers
5k views

Bluetooth repeater/bridge

I was wondering if somebody already tried to create some sort of Bluetooth repeater or bridge? I know they are not the same, but both systems should work for my needs. In detail, I am trying to ...
4 votes
0 answers
1k views

FT5406 touchscreen sends events but input does not work

I have a Raspi 3B with the official 7" touchscreen attached. The screen works (showed the under-voltage sign when attaching only the screen controller to a 2.1 A power supply, so I'm connecting ...
4 votes
0 answers
352 views

I2s DAC audio out but USB audio in

I was wondering if anyone could help me. I am trying to set up my Pi 3 to be an assistant (Google or Alexa, etc). I had it set up working fine with the USB mic and the 3.5mm audio out, but I wanted ...
4 votes
0 answers
820 views

RPI 3B and Tiny Thermal Printer - Unable to use python library

I'm having trouble hooking up my Raspberry Pi 3 Model B to my Adafruit Tiny Thermal Printer (nb: not the mini thermal printer - this is the one with a mini-USB port built in). I've got it connected ...
4 votes
1 answer
3k views

How to blacklist devices on a raspberry pi 3 router setup?

I've recently set up a raspberry pi 3 as a simple wifi router, using: Ubuntu 16.04 hostapd dnsmasq I've followed the following tutorial and all went pretty smooth: https://frillip.com/using-your-...
4 votes
0 answers
825 views

SD read only - how to make USB automount read write

I followed this tutorial to make the SD card of my pi read only. However when I plug in a USB drive stick, which is then auto mounted by the usbmount package as /media/usbX , the usb stick is also ...
4 votes
1 answer
5k views

Using Android phone as microphone for R PI B+

I'm planning to use Jasper for voice control on my Raspberry Pi B+. However, there are no microphone sockets and I do not have a USB mic. I would like to know if there is any way I could use my ...

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