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by ddmitry1973
Wed Jan 09, 2019 1:26 pm
Forum: Advanced users
Topic: Raspberry Pi 3 on Stretch - best way to switch WiFi AP/client mode (details inside)
Replies: 0
Views: 217

Raspberry Pi 3 on Stretch - best way to switch WiFi AP/client mode (details inside)

Hello all, I'm running a custom application on Pi 3 (Stretch lite). Application is started from specially created account, say, userA (not root), which belongs to netdev group - so, can use wpa_cli, if needed. Application have to switch built-in wifi from AP to client Mode. So I'm looking for optima...
by ddmitry1973
Thu Oct 04, 2018 11:14 am
Forum: Beginners
Topic: Raspbian Strech - run script on successful time sync - how?
Replies: 0
Views: 226

Raspbian Strech - run script on successful time sync - how?

Hi all, i'm using Pi 3 with Stretch and timesyncd as NTP client. Linux raspberrypi 4.14.34-v7+ #1110 SMP Mon Apr 16 15:18:51 BST 2018 armv7l GNU/Linux Pi is being switched of and on periodically and connects to internet through usb modem, then synchronizes time. syslog cut: Oct 3 12:36:02 raspberryp...
by ddmitry1973
Mon Feb 05, 2018 3:48 pm
Forum: Troubleshooting
Topic: Franklin U772 (U700 series) usb modem - can't connect
Replies: 3
Views: 742

Re: Franklin U772 (U700 series) usb modem - can't connect

Solved! ( :roll: where is 'close' button here?)
by ddmitry1973
Sat Feb 03, 2018 4:39 pm
Forum: Troubleshooting
Topic: Pi Zero W - Headless Set-up issue (ssh and wpa-supplicant.conf files)
Replies: 10
Views: 3332

Re: Pi Zero W - Headless Set-up issue (ssh and wpa-supplicant.conf files)

.... and make sure you have put
auto wlan0
as first line of wlan configuration section in /etc/network/interfaces
by ddmitry1973
Sat Feb 03, 2018 4:15 pm
Forum: Troubleshooting
Topic: Pi 3 bluetooth not working when usb webcam is accessed
Replies: 10
Views: 2035

Re: Pi 3 bluetooth not working when usb webcam is accessed

Update: with external usb BT adapter all is fine. Conclusion: something wrong with h/w or drivers of internal one. Consider topic is closed.
by ddmitry1973
Sat Feb 03, 2018 9:29 am
Forum: Troubleshooting
Topic: Franklin U772 (U700 series) usb modem - can't connect
Replies: 3
Views: 742

Franklin U772 (U700 series) usb modem - can't connect

Hi all, trying to get my Pi 3 connected using USA Sprint's modem Franklin U772. uname -a Linux raspberrypi 4.9.41-v7+ #1023 SMP Tue Aug 8 16:00:15 BST 2017 armv7l GNU/Linux According to specifications modem offers Ethernet over usb (RNDIS) as connection interface. Upon plugin modem is succesfully de...
by ddmitry1973
Wed May 31, 2017 1:27 pm
Forum: Troubleshooting
Topic: Pi 3 bluetooth not working when usb webcam is accessed
Replies: 10
Views: 2035

Re: Pi 3 bluetooth not working when usb webcam is accessed

Sorry for 'up'ing' may be anyone can advice, at least direction, to dig in?
by ddmitry1973
Mon May 29, 2017 3:39 pm
Forum: Troubleshooting
Topic: Pi 3 bluetooth not working when usb webcam is accessed
Replies: 10
Views: 2035

Re: Pi 3 bluetooth not working when usb webcam is accessed

Some sort of radiated interference from the usb cable to the camera? Does re-routing the camera cable make any difference? You have tried more than one camera: have you also tried more than one usb cable? Three cams - three cables, as each camera has own cable which is not changeable. I don't think...
by ddmitry1973
Mon May 29, 2017 3:23 pm
Forum: Troubleshooting
Topic: Pi 3 bluetooth not working when usb webcam is accessed
Replies: 10
Views: 2035

Re: Pi 3 bluetooth not working when usb webcam is accessed

Hi, I'm using Official Raspberry Pi 3 Universal Power Supply,
camera receives supply through usb port
by ddmitry1973
Mon May 29, 2017 3:15 pm
Forum: Troubleshooting
Topic: Pi 3 bluetooth not working when usb webcam is accessed
Replies: 10
Views: 2035

Pi 3 bluetooth not working when usb webcam is accessed

Hi everyone, got mysterious problem. Can anyone help? In brief: onboard BT adapter works very poor when external USB webcam is being used to capture video. In details: when I try to capture video from webcam, connected via usb to my Pi 3, bluetooth transmission hangs due errors in kernel. When I sto...
by ddmitry1973
Thu Apr 20, 2017 9:55 am
Forum: Advanced users
Topic: Howto auto pair bluetooth on headless Pi
Replies: 3
Views: 14063

Re: Howto auto pair bluetooth on headless Pi

Hi, - unfortunately /etc/bluetooth/main.conf does nothing to actual bt configuration, even after service reload (found same problems while searching the web, for example - just made needed setting regarding pair and discover modes in blueetothctl - very straight and simple solution to same task can ...

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