Questions relating to the Raspberry Pi USB ports and specific Raspberry Pi USB devices and device interaction.

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-2
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0answers
18 views

How to add hardware to Arduino IDE on Raspberry Pi [on hold]

We have a 802.15.4 USB board that we would like to add to the recognized boards in the Arduino IDE. We add the files that are supposed to help Arduino identify the USB board in ...
1
vote
0answers
30 views

USB Microphone Raspberry Pi

I am using Raspberry Pi 3. What I am trying to do is test my USB microphone. I first type in "lsusb" to see if the raspberry pi detects my device. It does. "BUS 001 Device oo8: ID 0d8c:013c C-Media ...
0
votes
0answers
47 views

Unable to make USB sound card as audio card 0

I am using Ubuntu Mate in Raspberry Pi 2. I want to change use my USB sound card as default audio card. For this I check my audio card number from command aplay -l and this is my output:- **** List ...
0
votes
1answer
33 views

Kiosk python app shutil.copyfile files empty on restart

I have a kiosk app written in python which is launched on startup (starting x server but not the window manager as I learnt about here), usbmount is installed to handle automatically mounting pen ...
0
votes
0answers
12 views

Rasbperry Pi 3 as an USB storage device [duplicate]

I would like to know if it is possible to use the Raspberry pi 3 as an external USB storage device. My goal is to plug it to a computer with an USB to USB cable an being able to store some files in a ...
4
votes
2answers
312 views

max_usb_current possible values

I have found many hints mentioning that setting max_usb_current=1 in /boot/config.txt allows USB ports to draw up to 1.2 A My question is what are other possible values that can be assigned to ...
0
votes
0answers
25 views

USB Serial control

I am having a problem with an USB serial connection to my receiver and couldnt find anything on the internet. I am now hoping any of you guys can shed some light on my problem. I did as follow: I ...
0
votes
0answers
21 views

Issue interfacing GPS module with USB to ttl cable

I am following this tutorial https://learn.adafruit.com/adafruit-ult ... rything-up on connecting GPS module with pi. However, when I do sudo cat /dev/ttyUSB0 I do not see any output from the device. ...
3
votes
3answers
1k views

How do I know which USB device is my device?

I'm using two devices which are an USB to Serial converter and a GSM module. Both of them are shown as /dev/ttyUSB(0 and 1). How can I determine which file descriptor (FD) is which USB device?
0
votes
0answers
15 views

How to check if SD card become corrupted? [migrated]

As far as I know, whenever a removable media becomes corrupted (or shows signs it's going to be), the system disables all writes on the disk to prevent any further data corruption. This is done by ...
0
votes
2answers
43 views

Multiple questions about power and USB hubs

I am planning to use my RPi as a basic desktop. I have a few questions I am using the first model of the RPi I am planning to connect a keyboard, a mouse, a bluetooth adapter, a WiFi adapter, and ...
0
votes
1answer
25 views

How tp get USB to USB UART console without linux

I'm trying to develop my own OS kernel from scratch for the raspberry pi and I want to be able to debug my code from my computer over putty through a cable. Now I've did a little googling and found ...
0
votes
1answer
59 views

How i can boot Raspbian from USB? [duplicate]

I got hands on my Raspberry Pi 2 Model B in just few months and when i used it soo much the SD card got bent in here and it want to snap apart but when i removed it i was trying to rebend it back with ...
0
votes
1answer
28 views

Does anyone know if has the wifi keeps doing USB disconnect problem been solved [closed]

Does anyone know if the wifi USB disconnect problem been solved in newest kernel and drivers?
0
votes
1answer
44 views

How to transfer files from PC desktop app (written using nw.js) to Raspberry Pi?

Here's my situation: I wrote a desktop app using nw.js (a node.js-based platform to write desktop apps within an offline Chromium browser that has access to the file system). Users will make ...
0
votes
0answers
29 views

JUYAO dual arcade controller will not register when playing games on Retropi

I am building an arcade cabinet and almost have the entire thing complete. However I wired up my Joystick last night to find that it was not working correctly. I have all of my buttons and joysticks ...
1
vote
0answers
26 views

How to connect multiple Pi Zero ethernet gadgets to a Pi 2?

I followed this guide to turn my Raspberry Pi Zeroes into ethernet gadgets and I did not change anything in the /etc/network/interfaces or /etc/dhcpcd.conf files. All of the SD cards were fresh ...
0
votes
0answers
29 views

Raspberry Pi Zero Ethernet Issue

I've found a weird issue while using the pi zero. I have a RJ-45 Ethernet to MicroUSB adapter that works, only when plugged into my NETGEAR WN2500RP Extender. I've tested the connection on both the ...
0
votes
0answers
23 views

Problem Ralink driver for RT3092 with miniPCIe

Please help me. I have purchased a Raspberry Pi3 board and a mini-PCIe Wi-Fi board with a chipset of Ralink rt3092l. I have connected the Wi-Fi board using a USB-miniPCIe adapter board, but PI3 could ...
2
votes
0answers
47 views

802.11ac and 802.11n at 5GHz on Raspberry Pi with Windows IoT

Is it possible on a Raspberry Pi 2 (or 3) with Windows 10 IoT Core to have Wi-Fi 802.11ac and 802.11n at 5GHz? I know the list of compatible hardware: Hardware Compatibility List - WiFi Dongles ...
0
votes
1answer
193 views

Kali Linux Wifi Monitor Mode

I have installed Kali Linux on my Raspberry PI2 Model B. I have also bought Raspberry PI USB Wi-Fi Dongle. When I try to put the adaptor into "monitor mode" using airmon-ng start wlan0 I get an error ...
0
votes
0answers
172 views

Raspberry pi 3 analogue (headphone jack) audio output and usb microphone as input

How can I use the default audio analogue (headphone jack) output and as input a usb microphone together for voice recognition? I want to use the onboard audio output and record from a usb microphone, ...
0
votes
1answer
81 views

Qt 5.5 application using usb device as keyboard and hidraw

I have a specially designed board connected via USB to my Raspberry Pi 3. This board provides a keyboard interface. But it also provides additional USB "reports" that can be retrieved - for sensor ...
0
votes
0answers
34 views

Does a USB reed switch exist?

Thinking on building something to warn me when we forgot to lift the baby's crib gate. But I'm not interested in building the electronics to hook the switch to the RasPi, so wondering if there's ...
1
vote
1answer
84 views

Solder USB to Raspberry Pi 2

Alright guys, I have a question in how to solder an additional USB port to the board. I have an old security camera system dvr that I've taken apart and gutted to install my raspberry pi and tb hard ...
0
votes
3answers
65 views

Why do the USB ports and Ethernet port share the same controller?

It is my understanding that the USB ports on the Pi share the same controller as the Ethernet port. This means if one was to use the Pi as a NAS, data transfer over the network would be restricted, ...
0
votes
0answers
28 views

USB sound card detected but not listed in aplay -l

I am using a Frontech JIL 0815 sound card with the Raspberry Pi model 2 B using the latest version of Raspbian. The USB audio when connected is shown under lsusb and dmesg, but not as a card under ...
0
votes
1answer
49 views

Raspbian won't boot when hard drive is connected

Not sure if this has anything to do with the make/model of hard drive I'm using, but when I connect my WD MyPassport Ultra to my Raspberry Pi 2 and then reset Pi, Raspbian doesn't load. If I just plug ...
1
vote
1answer
42 views

dual usb power supply for 2 rpi

i'm working on a double solution in my one with 2 rpi one is for the domotic part (a rpi 1b+ with ethernet and wifi dongle, no usb device or hdmi display for now) and one as mediacenter (a rpi 2b with ...
0
votes
3answers
60 views

RasPi sees keyboard but does not accept input

When I run lsusb (on a separate keyboard) the keyboard that I have to use shows up but when I press any of the keys it doesn't input. The keyboard used to work on the RasPi and still works on a ...
3
votes
1answer
207 views

USB camera with new Pi 3

I'm trying to take snapshots with my Pi3 + USB camera. I've tried a few different things, but all with different results. I've tried: mplayer -vo jpeg -frames 1 tv:// And the output text is: ...
1
vote
1answer
29 views

Unable to mount USB on startup

I have a USB flash drive which is plugged into a USB port on a B+. On startup I'm running: sudo mount -o uid=pi,gid=pi,rw /dev/sda1 /mnt/usb Sometimes it works, but it's intermittent. The times it ...
3
votes
1answer
75 views

How to save files from RPi 2 to USB stick ( vfat )?

My application need to save some files from /home/pi/dir to /media/usb which is my USB stick 32 GB vfat formatted. When I try: mv /home/pi/dir/* /media/usb/dir/ it gives me this error : cp: cannot ...
0
votes
2answers
108 views

Peripherals not working after install of Raspbian

I recently purchased a Canakit Raspberry Pi 3 Model B. I hooked it all up using HDMI, ethernet and USB peripherals (no hub). I have a logitech mouse and a dynex keyboard, both want 5V 100mA. In the ...
7
votes
1answer
173 views

Does WiFi on the Pi 3 reduce the Ethernet bottleneck when using USB device?

We all know that on Raspberry Pi 2 and previous models, the USB and Ethernet bandwidth is shared, so when we transfer data over Ethernet to a USB device and vice-versa we are limited by this fact. ...
0
votes
1answer
82 views

Detecting 5V output from USB charger via Raspberry Pi

How can the presence of a 5V output from a USB charger be detected using a Raspberry Pi? Scenario: My Raspberry Pi is powered by a (USB) powerbank which is continuously being charged by a dual-port ...
1
vote
1answer
396 views

How to connect a Raspberry PI 3 to USB TTY cable

I am trying to connect the ADA Fruit USB to TTY cable to a Mac with Mac OS X 10.11.3. I installed the driver and see /dev/tty.usbserial but when I try screen /dev/tty.usbserial 115200 I get no output ...
0
votes
0answers
53 views

Mounting external HDD for timelapse video

I have been testing my Pi to do timelapse and I have done some basic steps. When I mounted my 1TB ext HDD it seemed OK but now I cannot see the content of it. My /media folder also exceeded the SD ...
0
votes
0answers
115 views

Raspberry Pi Zero and USB camera Issue

I have a video streaming application which works well on the Raspberry Pi 2. I am trying to switch out the Pi 2 and move everything to a Pi Zero. When I connect the USB camera to the Pi Zero ...
0
votes
0answers
43 views

USB ports stop working after a week, needs restart

I am working on a project with a friend that involves raspberry pies that run 24/7, periodically fetch data from a server and display it on the screen. The issue we have is that apparently the USB ...
3
votes
1answer
64 views

Verified 4G USB dongles

Is it possible that there are no verified 4G USB dongles for RPI, or the following link is out of date? If so, why is it? If not, where are they listed?
0
votes
1answer
25 views

Universal serial bus Flash drive

What library file should I download to read and write data through Universal serial bus Flash drive in Raspberry Pi ?
0
votes
1answer
52 views

How to Mount FAT32 Format Drive on Raspberry Pi

I've tried a few commands and it seems like my drive isn't even being detected. Here's my df -l. Filesystem 1K-blocks Used Available Use% Mounted on /dev/root 5755184 4613132 826660 ...
0
votes
2answers
161 views

Jessie: RPi 2 - USB audio input does not work (output works)

I am using a Plantronics USB Headset that also has a microphone. I have tried a lot of articles and finally managed to make the headphone work, but the microphone still doesn't work. Here are current ...
0
votes
0answers
38 views

USB to LAN adapter not recognized on boot

I bought a cheap VK-QF9700 to connect to my new Raspberry PI Zero. I know the chipset (DM9601) had some problems with the Raspbian kernel that has been recently updated. The problem I have is that if ...
1
vote
2answers
23 views

USB driver for HP C4280

I'm trying to set up an HP C4280 to send a scanned image to the Pi disk when the "scan" button on the scanner is pressed. HP expects a Windows program to be running, but I'd like to be able to scan ...
1
vote
0answers
190 views

Does RPi 3 have the same bandwidth for ethernet and USB?

It seems that's the case for the last Pi. But does the new one also have this limitation? Not duplicate, but reffered question:    USB bandwidth for the RPi model B+ ...
0
votes
0answers
27 views

When an HID USB device only works with dwc_otg.speed=1, what does that mean about the device?

I have seen a few USB keyboards and mice that only work with dwc_otg.speed=1 (limit to full speed instead of high speed). Typically these devices work fine on other systems (from full PC's to other ...
0
votes
0answers
154 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 ...
0
votes
1answer
105 views

Audio input to Raspberry Pi

Can I use 3.5mm jack to USB converter in order to connect a headset to my Raspberry Pi 2. I want to use headset with microphone as input device. When headset is connected to 3.5 mm audio jack it can ...