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by david_1234
Tue May 19, 2020 12:13 pm
Forum: Troubleshooting
Topic: PI won't recognaize new (fresh ) SD card?
Replies: 14
Views: 483

Re: PI won't recognaize new (fresh ) SD card?

yes , I did what you told me with the ssh
and now I can enter the PI using ssh
so first Thanks!

but what could be the problem with the display?
the cable is OK and also the screen

maybe something in the setting that I can chage using the ssh ?

Thanks,
by david_1234
Sun May 17, 2020 2:39 pm
Forum: Troubleshooting
Topic: PI won't recognaize new (fresh ) SD card?
Replies: 14
Views: 483

Re: PI won't recognaize new (fresh ) SD card?

I have try with Raspberry Pi Imager for Windows I have try with the latest version light and full same problem using a SD card read to MicroSD I can see the files in the SD card after it's done the most bizarre is the if I flash to it "android for pi" - it's working so it's seem that there is no pro...
by david_1234
Wed May 13, 2020 9:54 am
Forum: Troubleshooting
Topic: PI won't recognaize new (fresh ) SD card?
Replies: 14
Views: 483

Re: PI won't recognaize new (fresh ) SD card?

I don't understand what does it metter ? this is a working version I have used for many times also I have downlaod the light version now and try it still not working the most starnge thing is - the if I flash android image for pi4 lineage-16.0-20200212-UNOFFICIAL-KonstaKANG-rpi4.zip it's working so ...
by david_1234
Wed May 13, 2020 9:31 am
Forum: Troubleshooting
Topic: PI won't recognaize new (fresh ) SD card?
Replies: 14
Views: 483

PI won't recognaize new (fresh ) SD card?

Hello , very strange thing I'm trying to flash a new SD to my PI4 - I have the offical file 2019-09-26-raspbian-buster.img I have try to flash it using : Raspberry Pi Image balenaEtcher Win32DiskImager but when I enter it to the pi - I don't see nothing , no rainbow , the disaplt going to power-down...
by david_1234
Tue May 12, 2020 1:58 pm
Forum: Beginners
Topic: I2C level shifter quesion -
Replies: 4
Views: 183

Re: I2C level shifter quesion -

what do you mean by
connect it correctly? and for this application ?
If I connect it as is
it will not work , I have try this and ruined a pi4 allready (the I2C is not working anymore there ) :? :?
by david_1234
Tue May 12, 2020 1:35 pm
Forum: Beginners
Topic: I2C level shifter quesion -
Replies: 4
Views: 183

I2C level shifter quesion -

Hello , after a long testing I have found that my project will best use a 5V sensors 4 X ina219 1X RTC1307 1X oled display ans I read here the pi gpio is only good with 3.3V and and if I use I2C devices that works on 5V that mean the the data is also 5V and this will KILL my pi. so I need to use a l...
by david_1234
Thu May 07, 2020 8:02 am
Forum: Troubleshooting
Topic: is there a different on I2c between Arduino and PI?
Replies: 0
Views: 97

is there a different on I2c between Arduino and PI?

Hello , I have created a project on the Arduino using 3 I2C devices: INA219 Oled display RTC the project dispaly the time and voltage , when the voltage is to low acoording to my condition. all devices works on 3.3V , I didn't use any pullups - just connected all the SDA\SCL direct to the Arduino. t...
by david_1234
Sun May 03, 2020 9:26 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: Help with i2c on pi3 (and also 4) - oled and ina219
Replies: 0
Views: 120

Help with i2c on pi3 (and also 4) - oled and ina219

Hello , I'm starting to lose my mind :-) Im working with PI 3 and want to connect to it an Oled display using i2c I'm using an Oled that can be connected as SPI\I2C I want to use it as I2C In the back if I (understand correct) I need to soldering R1,R4,R5,R6 I have done it (as you can see in the ima...
by david_1234
Sun Apr 05, 2020 6:28 am
Forum: Android
Topic: [DEV] LineageOS 16.0 (Android 9) for Raspberry Pi 3 B and B+
Replies: 54
Views: 30379

Re: [DEV] LineageOS 16.0 (Android 9) for Raspberry Pi 3 B and B+

I think you'd need to do a lot of work to get something like that working on Android. Source code for the Linux kernel is here (https://github.com/lineage-rpi/android_kernel_brcm_rpi) if you want to try something out but you'll need a lot more than just some kernel driver. why , I have the driver f...
by david_1234
Wed Apr 01, 2020 11:03 am
Forum: Android
Topic: [DEV] LineageOS 16.0 (Android 9) for Raspberry Pi 3 B and B+
Replies: 54
Views: 30379

Re: [DEV] LineageOS 16.0 (Android 9) for Raspberry Pi 3 B and B+

I have a question about adding usb device : I have a 4g modem I want to add to the pi running android I have the drivers , but as I understadn I need to complie them with the all kernel and "create" a new image? - is this true ? maybe there is a fastet way to load driver to the unit? if not - is the...
by david_1234
Sun Mar 29, 2020 9:14 am
Forum: General discussion
Topic: text to speech in pi4 - not just English?
Replies: 2
Views: 171

Re: text to speech in pi4 - not just English?

yes I see - this is good

but I also may need Hebrew

I have look - there is no support
also I have try GTTS - doesn't have hebrew

maybe another software?

also I have notice that I need internet connection for this

maybe do you know an offline application ?
Thanks ,
by david_1234
Sun Mar 29, 2020 8:20 am
Forum: General discussion
Topic: text to speech in pi4 - not just English?
Replies: 2
Views: 171

text to speech in pi4 - not just English?

Hello , I have found many guide of make my pi talk, but if I have text not in English , how do I make it work? do I need external software for this ? for example this is the first resulat on google https://www.dexterindustries.com/howto/make-your-raspberry-pi-speak/ is there any way to "upgrade" it ...
by david_1234
Sun Mar 22, 2020 5:28 pm
Forum: Android
Topic: Connect usb devcies to PI running android 9?
Replies: 0
Views: 194

Connect usb devcies to PI running android 9?

Hello , I have install android 9 using this guide https://pcmac.biz/android-pie-on-raspberry-pi-4/ working good , I need the minimum - so it's good for me in my project I need\want to connect usb modem adapter when I connect it - everything got stuck , when I remove it - all continue working any ide...
by david_1234
Sun Feb 23, 2020 7:42 am
Forum: Beginners
Topic: camera usb won't work after plug in
Replies: 0
Views: 137

camera usb won't work after plug in

Hello , I have a USB camera that work great for half a year ~ last week I have notice that it stop working I have remove it and the plug it back(still not working) - this is what I get in the syslog Feb 21 13:30:52 raspberrypi kernel: [260863.221689] usb 1-1.1.2: new high-speed USB device number 13 ...
by david_1234
Thu Feb 20, 2020 2:28 pm
Forum: Beginners
Topic: can I get signal in DB from microphone using usb sound card?
Replies: 9
Views: 618

Re: can I get signal in DB from microphone using usb sound card?

I need to test the DB when people are talking they will talk direct to the mic , want to see the changes from man\woman\child\dog etc... I really think it should b e simple to do I guess the problem is "reading" the analog voice from the USB microphone If this is to hard to apply , I will search som...
by david_1234
Sun Feb 16, 2020 10:05 am
Forum: Beginners
Topic: can I get signal in DB from microphone using usb sound card?
Replies: 9
Views: 618

Re: can I get signal in DB from microphone using usb sound card?

I think you over think what I want to do ....

I just want to read the signal from the MIC and know how much DB is it

can I do this? or it's to complicated?

Thanks,
by david_1234
Mon Feb 10, 2020 2:06 pm
Forum: Beginners
Topic: can I get signal in DB from microphone using usb sound card?
Replies: 9
Views: 618

Re: can I get signal in DB from microphone using usb sound card?

It could be relative

and what do you need by this:
And do you want flat or weighted values?
I want the resault the be simller to the android app "Sound Meter" - so the code can be "trusted"
if I will ger 54.6 in the PI and 55 in the app - it's ok

Thanks ,
by david_1234
Mon Feb 10, 2020 1:49 pm
Forum: Beginners
Topic: can I get signal in DB from microphone using usb sound card?
Replies: 9
Views: 618

can I get signal in DB from microphone using usb sound card?

Hello , I'm using a USB sound card that have 2 connections : input\output I have connected a microphone to the input , and I want to know what is the noise level while I open the mic. is there any way to do this? I only found this https://github.com/mepster/wensn but how do I do the same think to a ...
by david_1234
Mon Feb 10, 2020 10:45 am
Forum: Beginners
Topic: how to control volume output when using external sound card?
Replies: 1
Views: 100

Re: how to control volume output when using external sound card?

found it

Code: Select all

 mpg123 -o alsa:hw:1,0 -f -2000 /home/pi/Documents/test.mp3

the maximum value of the amplitude is 100% which coressponds to 32768

got it from here
https://unix.stackexchange.com/question ... -of-mpg123

maybe it will help anyone alse also....
by david_1234
Mon Feb 10, 2020 10:39 am
Forum: Beginners
Topic: how to control volume output when using external sound card?
Replies: 1
Views: 100

how to control volume output when using external sound card?

Hello , I'm using a USB sound card on my pi wanted to know how can I chagne the output volume of it ? I haver try to use this command amixer set PCM -- 85% but it doesn't change the volume in order to play file I use this command in python TestSound = "/home/pi/Documents/test.mp3" os.system("mpg123 ...
by david_1234
Mon Feb 10, 2020 10:35 am
Forum: Staffroom, classroom and projects
Topic: Sound level meter
Replies: 5
Views: 983

Re: Sound level meter

by david_1234
Sun Feb 09, 2020 12:48 pm
Forum: Staffroom, classroom and projects
Topic: Sound level meter
Replies: 5
Views: 983

Sound level meter

Hello . I want to build an app that will measure the sound level in the room I only found how to do it using Arduino https://www.hackster.io/Skyphoxx/sound-detector-with-visual-alerts-3997ab is there any guide to how to do it in PI with python maybe? I know the circuit can be the same but maybe ther...
by david_1234
Sun Jan 26, 2020 1:59 pm
Forum: Troubleshooting
Topic: can't reach PI using VNC after noraml update
Replies: 5
Views: 283

Re: can't reach PI using VNC after noraml update

Didn't know this

Thanks you so much - it help and now it's working
by david_1234
Sun Jan 26, 2020 1:52 pm
Forum: Troubleshooting
Topic: can't reach PI using VNC after noraml update
Replies: 5
Views: 283

Re: can't reach PI using VNC after noraml update

I'm trying it now ,
so when do I use "update" and when I use "Full-update"?
up until now I didn't now this command ....

Thanks ,

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