Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

Questions tagged [input-device]

An input device is any peripheral that provides input to a computer, such as mice and keyboards.

127 questions
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6 answers

How can I determine if a given touchscreen is compatible?

I want to attach a touchscreen to my Raspberry Pi. While doing some internet search about this, I found out that this is not trivial, because not all touchscreens are compatible. How do I find out, whether a touchscreen is compatible to the…
Till B
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45
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7 answers

Speech processing on the Raspberry Pi

I want to do speech processing on Raspberry Pi to detect specific people (something like unique identification). I would prefer to use only the on-board processor for this, you could assume that internet is not accessible. Also, what are the…
Ruthvik Vaila
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36
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2 answers

USB card as my default Audio Device

I purchased a small USB sound card. My Pi recognizes the device: $ lsusb Bus 001 Device 004: ID 0d8c:013c C-Media Electronics, Inc. CM108 Audio Controller If I run alsamixer and set the audio to USB PnP Sound Device, I can hear audio through the…
PhillyNJ
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31
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3 answers

Raspberry Pi 3 audio input?

Did Raspberry Pi 3 add audio input? I'm new to RPi and interested in doing speech recognition but noticed input has been missing for previous versions. If it hasn't, what is the best way for me to go about recognizing speech on RPi3? Thank you.
corysimmons
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30
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3 answers

Simple Keyboard Configuration

My USB keyboard was configured slightly wrong. So far I have only tried it with the Debian image. Certain keys were not in the right place (such as the '~' character). I know how to change the keyboard configuration and that this is trivial for…
ramblinjan
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27
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4 answers

What qualities should I look for in a small, 7" or 10" monitor?

Hi, which small small and portable monitors would you suggest to combine with Raspberry Pi. As Raspberry Pi is part of huge range of different project please suggest which would be best in each of these categories. Home PC Smart home touch screen…
valentt
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17
votes
5 answers

Forward mouse and keyboard input to X session

I'm accessing my Pi via SSH. My network is too slow to actually forward the Pi's desktop back to my laptop, so I have a monitor connected to my Pi. When I startx through Putty, I see the desktop on my Pi. All is good. However, I cannot do anything…
ACarter
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15
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2 answers

Why are there delays and input issues when using my wireless keyboard?

I booted up my Raspberry Pi for the first time and I plugged in my USB dongle for my wireless keyboard and mouse. It booted up fine but when I type keys either don't appear on the screen or they appear to stick. Any ideas how to fix this?
Andy Smith
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9
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5 answers

Creating an HDMI Pass-Through Connection

I would be very interested to know if anyone on here might be able to provide some insights into the feasibility and/or proper approach to add a HDMI input to the Raspberry Pi in an effort to allow the raspberry pi to consume content from this port.…
NetConstructor.com
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8
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1 answer

How to write device tree overlay for analog device touchscreen ad7879 i2c

I wrote a device tree overlay for driver ad7879-i2c touchscreen (compiled as module using Raspberry Pi source, files: ad7879-i2c.c, ad7879.c). Driver gets loaded but i guess parameters are not passed to driver. Device is on i2c1, 0x2c address, GPIO…
user2016555
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8
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2 answers

5V sensor to Raspberry PI

If I have a sensor which has 5V ouptut: I can't plug it directly to Raspberry PI, right? If so, what would I need to do so I would be able to do so? I would like to connect it via input pins.
Slaven Tomac
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6
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1 answer

UART RX stops reading data after working correctly

I'm trying to read an continuous stream of data from my device (laser altimeter). The device is connected to the UART Rx pin of raspberry Pi 3B+. Everything works fine with this python code: import time import serial try: ser = serial.Serial( …
FrantišekV
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6
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2 answers

Wireless USB Touchpad not working as mouse. Why?

I have recently bought a Logitech T650 wireless USB touchpad. This touchpad works fine in the Raspbian desktop environment. But when I run some applications, this mouse doesn't work inside the application. The regular mouses (both wired and…
Omid1989
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6
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2 answers

Raspberry Pi USB microphone 1 Khz background noise interference

Using this microphone I have some severe noise in the background. The more peripherals I plug in (camera, gertboard, wi-fi adapter) the worse the noise becomes. We've tried several different power supplies, however the problem still remains. The…
Linus
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5
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Custom camera driver

Is it possible to write a driver, say for a OV camera, based on the existing drivers at the RPI git repo? As is I understand, with a datasheet for a sensor it should be possible to write a similar driver, based on the given ones in the repo. After…
Wh0Els3
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