Questions tagged [input-device]

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

33 questions with no upvoted or accepted answers
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4
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0answers
189 views

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 ...
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69 views

raspi MIDI in audio out

I have a MIDI controller keyboard, that I want to take with me to a vacation. For some reason I cannot bring a tablet/laptop with me. I still have a Raspberry Pi 2B lying around so I thought it might ...
3
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217 views

Adafruit Retrogame library will not send character press events

I'm trying to build a small arcade cabinet powered by the Raspberry Pi 2. I've got several arcade buttons (for ABXY, Insert Coin/Select and Start) and an 8-way joystick. I'm following the tutorial ...
2
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1answer
6k views

Touchscreen with Qt QML eglfs

The goal is to run QtQuick2 Qt5 applications on the RPI 2B with USB+HDMI resistive touchscreen (7" 800x480 AR1100 http://www.adafruit.com/products/2407). Current state Visual part is fine. Touch ...
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0answers
22 views

Does the raspberry pi with android support usb devices?

I have a proprietary USB-C device (A Philips transducer) which I need to get real time data from to my pc for real time analysis. Only problem is that the device is only supported by an android app (...
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31 views

Keyboard only working properly, if plugged in AFTER bootup?

If i plug my little keypad into my raspberry pi model 3+ and turn it on, it will boot and for a few seconds and a couple of key strokes it works... And then stops. It still shows in LSUSB but won't ...
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433 views

Disable mouse acceleration on Raspbian Stretch

I can't figure out how to change the mouse acceleration setting such that the change is persistent. Changing the value in the Preferences > Keyboard and mouse settings keeps resetting every time I ...
1
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0answers
43 views

Do Rpi3 UART devices inherit their device ID from the on-board UART0 controller (GPIO pins 8 & 10)?

I am working on a device prototype which reads load cell data to an Arduino which sends the load cell data via (hardware, not USB) Serial to the Rpi3 running Win10 IoT. The communication link ...
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0answers
37 views

Waveshare 7'' LCD conflicts with WIFI (hostapd)

I have bought a Waveshare 7'' LCD (C) (https://www.waveshare.com/7inch-HDMI-LCD-C.htm) and it seems to work correctly on Raspberry PI 3B+ following the instructions on the site (it doesn't require ...
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0answers
255 views

pyusb: scanner insufficient permissions

UPDATE: I added a symbolic link to my .rules file and it is being created every time I unplug/plug the scanner. I believe my issue is more of a permissions issue with my Python code and more ...
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193 views

Bluetooth as a virtual audio device (input)

I am trying to setup this audio-reactive-led-strip library but with Bluetooth audio as the input. I have so far, got my LED strip to work with the standard strandtest.py and have also successfully ...
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0answers
338 views

How to use remote with Kodi 17.6 in ArchLinux?

I want to use all buttons of my remote control picture. Mainly the volume and the keyboard when entering text. My system is Arch with Kodi 17.6 I assumed that the following post would fix it here. I ...
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4answers
1k views

Sound Processing using USB sound card and microphone

I want to use a microphone and get input from it to sample it in real time and I don't have a set idea about how to interface it to get the input. Any help will be appreciated.
1
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1answer
2k views

Use USB microphone as input, but keep internal sound card as output

I want to record void with an USB microphone on a Raspberry PI running Raspbian (Jessie). At the same time, I want to keep the audio output on the internal sound card. Similar questions on this site ...
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0answers
49 views

Workaround for unsupported keyboard

I have couple keyboards now sitting in the desk but somehow it refuse to work on raspi3 Jessie with pixel (genius kb100-holtek semiconductor and prolink usb keyboard) , both tried using powered usb ...
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0answers
403 views

Setup gpio 23 as shutdown & startup

Followed this tutorial & have included my device tree config below. I've configured my pull up resistor for my button to function properly once my app is running, but I'm curious; is there a way ...
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0answers
114 views

Unable to get arcade controls passed as keystrokes to PiPlay

I'm pretty new to the Raspberry Pi and I'm trying to get arcade controls I've made working with PiPlay using the Adafruit software. I've tested the controls with a little Python 3 program I wrote and ...
1
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0answers
535 views

IRW does not show any thing

I want to use an infrared remote control. I'm using an infrared diode tsop38238. first I disabled the device tree because mode2 did not work at the beginning. After disabling I recorded my remote ...
1
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0answers
98 views

Fire event on HDMI connection

I want to run a script when an HDMI cable is connected, how would I do this? I found a couple links about how to do it generally in Ubuntu but nothing was working. https://askubuntu.com/questions/...
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0answers
67 views

Input device to enter a number between 0 and 99?

I would like to have some sort of input device where a user can input a number between 0 and 99. I'm envisioning something similar to a thermostat, where the user pushes the up or down arrow button ...
1
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0answers
456 views

Processing keystroke input on startup

I am currently working on a project where I am using a Raspberry Pi (running Raspian Wheezy) to handle authentication to a locked door. I have a usb numeric keyboard plugged into my pi, and I have ...
0
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1answer
28 views

Identify which microphone is on which audio card using arecord

I'm using a Raspberry PI and on it I plugged two same USB microphones. I would like to be able to identify which USB microphone is on which audio card when I list devices with arecord: arecord --list-...
0
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1answer
42 views

Raspberry Pi 3B+ input pin strange behavior

I have few switches connected to Raspberry Pi inputs. Internal pull up resistors are enabled. When I connect pin to the ground Raspberry Pi behave fine - pin state is low. However when I disconnect ...
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0answers
28 views

How to use pad4pi with a passcode program?

Is there any example on how to use the pad4pi library from Github to help write a simple door lock python program? (Pressing 1 to unlock solenoid lock, turned on; press 2 to lock, turned off). As ...
0
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0answers
39 views

Creating device driver which feeds GPS Co-ordinates from phone to raspberry pi

I don't have GPS module, so I was thinking whether I can feed GPS coordinates from my android/ios phone to raspberry pi over wireless protocol like bluetooth/TCPIP. Can I create a virtual device ...
0
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0answers
113 views

Not receiving any data via Bluetooth connection

I'm trying to send data from a ps3 controller to my Raspberry Pi, but the code I'm using does not pick up any data sent from the controller. The controller is connected yet nothing happens when I ...
0
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0answers
121 views

RetroPie boots into terminal and won't accept input

I was making some changes to the file system to my Raspberry Pi 1 B+ using the terminal, deleting some unwanted files and when I rebooted the system, it now boots directly to the terminal (rather than ...
0
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0answers
179 views

Relay Bluetooth keyboard out as a USB keyboard

I have a bluetooth keyboard that's originally connected to my desktop PC. The problem is that I can't use it in BIOS or to select different boot options at grub because the bluetooth drivers aren't ...
0
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1answer
220 views

I'm wanting to get user input from a screen, but I can't have any buttons

I'm developing an python3 application that only uses a handheld scanner for input. I need to prompt the user for input and want to use a nice window to do it. When I look at tkinter, it appears that ...
0
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2answers
894 views

Mulitple Input state changes/event detection

Picture 1 shows my setup. I connected the RPi3 Input parallel to an I/O terminal. The inputs are connected to a pull down resistor setup. Pictures 2 and 3 show the setup more in detail. Program-> ...
0
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3answers
839 views

Coding a GUI in python and driving stepper motor by user input

I am hoping to use my Raspberry Pi 3 in a senior project for my mechancical engineering program. I want to use the pi to drive a vice like fixture to predetermined positions by connecting a stepper ...
0
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1answer
1k views

Kivy: config.ini [Input] section: My touchscreen settings don't apply

I am trying to use an Elo Touch monitor to work with kivy. At first i calibrated the monitor with xCalibration wich worked fine: Calibrating EVDEV driver for "EloTouchSystems,Inc Elo TouchSystems ...
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1answer
596 views

How to configure touchscreen for taking input and displaying output

I am making a control system project for factories where the motors and other appliances are supposed to be controlled via touchscreen. Is there a separate software in which the screen buttons has to ...