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1. RASPBERRY PI CGMINER NOT FINDING DEVICE SERIAL
2. RASPBERRY PI CGMINER NOT FINDING DEVICE DRIVER
3. RASPBERRY PI CGMINER NOT FINDING DEVICE PRO

RASPBERRY PI CGMINER NOT FINDING DEVICE SERIAL

Then I will come back to try Rpi direct bluetooth to android again.īanggood JDY-10 bluetooth 4.0 Module BLE bluetooth Serial Port Module Compatible With CC2541 Slave - HK$24 So I think I better try again with BLE HC10, to see if I missed anything important. I once found it OK to connect Rpi to Bluetooh serial modules HC05/HC05, and also HC05/HC06 to android phone and found everything OK communicating using text (serial 9600N81). I guess there is some incompatability problem with stretch 9 and the androd app. Error message is something like no ftp blue services. I then tried the Android apps ftp server/client and send files (Bluetooth File Transfer), but found both not working.

RASPBERRY PI CGMINER NOT FINDING DEVICE PRO

Testing Android Smart Phone Samsung Galaxy C9 Pro App to connect to Rpi3B+ using Bluetooth I first installed the bluetooh and ftp packages for testing. Installing BlueTooth, BlueZ, and FTP packages for Raspbian stretch 9 I once thought about using an USB BT dongle to replace on board weak BT guy, but too lazy to do it now. pairing smoothly first time, very stable, no disconnecting/dispairing (3) Connect speaker and adjust volume (clicking speaker icon), (2) Pair speaker (clicking BlueTooth icon), (1) Reboot Rpi4B Raspbian 10 Buster Jul 10, Every time I want to use my VLC media player to play music, I do the following: So for now I am only using the Creative Bluetooth speaker which I found very stable and reliable.

My second quick and dirty conclusion is that Rpi4B, if heated up, might go crazy! So I waited for 20 minutes or and and also added heat sinks to the chips.

I guessed the Rpi4 chips must had been heated up and became crazy. Creative speaker costs twice of the other two, so I think its power is perhaps also twice bigger or sensitive.Īnyway, I tried to do more evaluation, I found I could no longer detect nor pair, not to mention connect. So my conclusion is that Rpi4B BT works reliably with my Creative speaker but not XiaoMi or Rapoo. "default"speaker, or speaker icon always red crossed) "pair", but never "connect" (system error message is "cannot use But for the XiaoMi and Rapoo BT speakers, I can always Pair and "connect" (VLC to connect to speaker) with the Creative BT (d) play a mp3 file using VLC media player. (c) when paired, click the speaker icon (beside WiFi icon) to check (b) GUI Deskop top right hand corner BT icon to discover/pair the (a) reboot Rpi4B (important to get repeatable/reliable results), I then tried the following with all three speakers, Creative, XiaoMi, Rapoo. I first tried to pair the three speakers with my Samsung smart phone and everything went well, implying both BT speakers are working OK. Now the time has come for me to try again. I also bought two more Bluetooth speakers to try. So I gave up, waiting for Rpi4B to come along. I googled and found no useful help around. Some months ago I tried to pair/connect a couple of Bluetooth devices with my Rpi3B+ and found everything disappointing: difficult/unreliable/intermittent failing to discover/pair/connect the BT devices. Rpi4B Raspbian 10 buster and three BlueTooth Speaker Evaluation Notes Next step is to try to use an USB Bluetooth adapter dongle to see if it improves Rpi4B's Bluetooh pairing/connecting performance. Rpi4B on board Bluetooth is weak comparing to SamSung smart phone and Uncomment the following two line in file "/etc/bluetooth/nf" the following two lines to disable timeouts: Reboot Rpi4B every time before trying to pair/connect. Rpi4B onboard Bluetooth can only pair and connect Creative MUVO2 paired and connected smoothly.

SamSung Galazy C9 Pro all three Bluetooth speaker paired easily and smoothly.Īcer Aspire WinPC Intel Bluetooth river can pair MUVO2, Rapoo A500, but never Mi NDZ03GB I tested the following three Bluetooth speakers: Rpi4B Raspbian 10 buster 2019jul10 version, preinstalled bluez utitilies

RASPBERRY PI CGMINER NOT FINDING DEVICE DRIVER

I use the following to test three Bluetooth speakers:Īcer Aspire Intel Core i5 Win 10 PC with USB Bluetooth dongle, Bluetooth Driver Intel. I tried to pair the following BlueTooth headphone with Rpi4B buster and found a similar problem: can pair but cannot connect.ġMORE iBFree Sport Bluetooth 4.2 CSR Bluetooth chip in-ear headphones review - digit.in 2018jul17 Connect my RpiZW to Android device through BLE，Bluez 5.5Įrror "Connection failed, No usable services" on VNC,Įrror “Failed to connect:) in terminal