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Unanswered Questions

651 questions with no upvoted or accepted answers
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 ...
3 votes
0 answers
77 views

RPI(2) Bare Metal: does GPU support text mode and what is the default video mode?

I'm struggling with trying to find any information about text-mode capability in Raspberry Pi. I'm reading about decompression, 3d, etc. fancy features but I'd like to learn about fundamentals: Is ...
3 votes
0 answers
2k views

Error while Starting Raspbian

Enviroment: Device: Rasberry Pi 2 OS: Raspbian Last sign of life: 8.March 2021 Problem Since 8th of march I've got no message of my raspberry pi, so I get them and try to boot with a connected monitor....
3 votes
2 answers
8k views

PiHole Not Resolving Local DNS Entries for clients with static IPs

I have a Raspberry Pi 2 running Pi Hole 5.2.2 and Cisco Linksys E2000 router running DD-WRT v24-sp2 (08/12/10) std-usb-ftp I want to be able to have PiHole resolve a DNS entry such as MyDevice to an ...
3 votes
0 answers
533 views

Kivy on Raspberry Pi returning double on_press events

I have an RPi and official touchscreen running Debian Buster and Kivy v1.11.1 using the simple example at https://kivy.org/doc/stable/api-kivy.event.html it is returning double touch events for ...
3 votes
0 answers
673 views

Moonlight (Wifi): Dropped Frames, Multiple Errors, Crash

Casting any media from a PC to the RPi, other than on a Ethernet connection, results in a large number of errors, and an eventual crash. Streams are very responsive, and smooth at 720p at 30fps, but ...
3 votes
0 answers
1k views

On-screen keyboard with app integration

I'm aware of matchbox-keyboard, but I'm looking for a more Android or iOS kind of keyboard solution. When selecting a text input, of type alpha or numeric, I would like the appropriate keyboard, text ...
3 votes
0 answers
11k views

Raspberry Pi 3 doesn't detect USB touchscreen

I've been trying to get a touchscreen monitor to work with my Raspberry Pi 3. The monitor is 15", externally powered, and is to be connected via HDMI and USB for the touchscreen interface. The HDMI ...
3 votes
0 answers
725 views

Disable Screensaver of XServer on Raspbian Jessie Lite

I setup a Raspberry Pi 2 with Raspbian Jessie Lite in read only mode. To run a Qt application I installed the packages "xserver-xorg" and "xinit". I am starting the application automatically after ...
3 votes
0 answers
5k views

Setting up a DHCP server on a Pi v3B with Raspbian Jessie?

I'm attempting to set up a Pi as a DHCP server for a private network of ~10 machines. The pi will be connected to a network switch. So far I've been following this well written guide: https://www....
3 votes
0 answers
2k views

Pi 2 Windows IoT support for onboard CSI camera port

I am working on IoT technology, in one of my project I want to connect to on-board camera with Raspberry Pi 2 having Windows 10 IoT core. Two months back I found Windows IoT on the Raspberry Pi 2 ...
3 votes
0 answers
3k views

Arecord not working with USB Microphone anymore

Before I start, I'd like to tell you that I've used arecord in the past with the Raspberry Pi 2 using the same USB Microphone and it has worked just fine. For some reason, it doesn't seem to work ...
3 votes
0 answers
346 views

How Can I Properly Ground My RPI To Avoid Static Interference?

I have researched every where for this problem and cannot find a direct answer. I am currently working on a project which involves a large 20ft conveyor belt transferring product into a Plexiglas box ...
3 votes
0 answers
3k views

Pi 2, keyboard/mouse not recognized through USB hub

I am trying to get the keyboard and mouse control from a Startech crash cart adapter working smoothly on a Pi 2. The adapter has an internal USB hub (Alcor, 058F:6254) and behind that a virtual ...
3 votes
0 answers
633 views

Modbus on Raspberry Pi

I am quite new to Raspberry Pi and Modbus. I am going to implement a Modbus RTU on Raspberry Pi using libmodbus. I followed this totorial as a simple Modbus test, but when I compile the bandwidth-...

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