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by david_1234
Sun Jun 21, 2020 2:30 pm
Forum: Beginners
Topic: how to format exteranl usb 16gb ?
Replies: 17
Views: 530

Re: how to format exteranl usb 16gb ?

I have found this Get the drive’s path using $ sudo fdisk -l Enter fdisk to edit the disk’s partition table: $ sudo fdisk /dev/sda* Enter the following options when prompted: n, p, 1, <enter>, <enter>, w Format the partition: $ sudo mkfs -t ext4 /dev/sda1* Create a directory to use as the filesystem...
by david_1234
Sun Jun 21, 2020 2:02 pm
Forum: Beginners
Topic: how to format exteranl usb 16gb ?
Replies: 17
Views: 530

Re: how to format exteranl usb 16gb ?

yes didn;t understand what to do again - this is the first time I'm adding exteranl , don't know how to use \ what options to give \ what I need to have\do if you can explain fot a first timmer - it will be great ! this is what I did: pi@raspberrypi:~$ sudo parted -l Model: Kingston DataTraveler 3.0...
by david_1234
Sun Jun 21, 2020 1:28 pm
Forum: Beginners
Topic: how to format exteranl usb 16gb ?
Replies: 17
Views: 530

Re: how to format exteranl usb 16gb ?

Ok ,
I have download it

can you explain to me what to do now ?
how to format the disk ?

Thanks ,
by david_1234
Sun Jun 21, 2020 1:12 pm
Forum: Beginners
Topic: how to format exteranl usb 16gb ?
Replies: 17
Views: 530

Re: how to format exteranl usb 16gb ?

I don't understand
it said
partition editor for graphically managing your disk partitions
I only have cmd
by david_1234
Sun Jun 21, 2020 12:06 pm
Forum: Beginners
Topic: how to format exteranl usb 16gb ?
Replies: 17
Views: 530

Re: how to format exteranl usb 16gb ?

I didn't know this option

up until now never had to add external storgae

but I'm using pi wihtout desktop - just cmd
so I guess I can't use it



Thanks ,
by david_1234
Sun Jun 21, 2020 11:19 am
Forum: Beginners
Topic: how to format exteranl usb 16gb ?
Replies: 17
Views: 530

Re: how to format exteranl usb 16gb ?

thanks

can you write me the full order of comands?
1. unmount
2. format
3. mount

jsut to be sure and avoid problems ...


Thanks,
by david_1234
Sun Jun 21, 2020 7:01 am
Forum: Beginners
Topic: how to format exteranl usb 16gb ?
Replies: 17
Views: 530

how to format exteranl usb 16gb ?

Hello, I want to create a FTSpserver on the pi and save the data on the usb i will work according to this manual https://www.raspberrypi-spy.co.uk/2018/05/creating-ftp-server-with-raspberry-pi/ for this I have connected a 16GB external usb I have done what it said here https://www.raspberrypi.org/do...
by david_1234
Wed Jun 17, 2020 6:48 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: i2c Oled unrecognized every x min
Replies: 0
Views: 126

i2c Oled unrecognized every x min

hello , I have an Oled disaply connectd to my PI (3.3V) I made a simple python code that only print me the time I have notice that it get stcuk after ~ 5 min , sometime even before , sometime even after more ~ 10 min OSError: [Errno 121] Remote I/O error so in the code I added try catch for the loop...
by david_1234
Thu Jun 11, 2020 1:57 pm
Forum: Automation, sensing and robotics
Topic: VL53L0X example script is not working?
Replies: 0
Views: 139

VL53L0X example script is not working?

Hello, I have connected the VL53L0X to the pi4 see the address in i2cdetect as 0x29 download the code from : https://github.com/pimoroni/VL53L0X-python run the example file ,but it does nothing isn't the number need to change ? pi@raspberrypi:~/VL53L0X_rasp_python/python $ python3 VL53L0X_example.py...
by david_1234
Mon Jun 08, 2020 2:19 pm
Forum: Automation, sensing and robotics
Topic: cjmcu-3221 on pi?
Replies: 0
Views: 142

cjmcu-3221 on pi?

Hello , I'm tryin to work with cjmcu-3221with my PI up until now I used INA219 , but I have more then 1 device I want to masure so I decided to work with this module did someone have any experience with this? I have only connected (didn't connected any device \power supply yet): VS-3.3V gnd-GND SCL-...
by david_1234
Tue Jun 02, 2020 10:18 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: read data from arduino using serial inteface?
Replies: 4
Views: 300

Re: read data from arduino using serial inteface?

OK just to see I understand corect pi@raspberrypi:~ $ dtoverlay -a | grep uart midi-uart0 midi-uart1 miniuart-bt pi3-miniuart-bt uart0 uart1 uart2 uart3 uart4 uart5 pi@raspberrypi:~ $ dtoverlay -h uart3 Name: uart3 Info: Enable uart 3 on GPIOs 4-7 Usage: dtoverlay=uart3,<param> Params: ctsrts Enable...
by david_1234
Mon Jun 01, 2020 2:51 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: read data from arduino using serial inteface?
Replies: 4
Views: 300

Re: read data from arduino using serial inteface?

Using Arduino uno nad also arduino pro-mini 5V OK now on the pi I'm already using pins 8,10 for another serial devices can I open another new serial port? I found this setting https://www.raspberrypi.org/forums/viewtopic.php?f=44&t=246728&hilit=serial#p1506953 ? TXD3 => GPIO 4 RXD3 => GPIO 5 CTS3 =>...
by david_1234
Mon Jun 01, 2020 2:35 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: read data from arduino using serial inteface?
Replies: 4
Views: 300

read data from arduino using serial inteface?

Hello , I have Arduino that connected to 3 devices\sensors that read data from them I want to transfer the data to my PI I don't want to use usb-serial , just simple 3 wires (tx\rx\gnd) how can I do this? I just want to send to the pi a string once every 1 sec , I guess I will wirte the code in pytt...
by david_1234
Sun May 31, 2020 11:16 am
Forum: Raspberry Pi OS
Topic: can service exit because of low power?
Replies: 0
Views: 136

can service exit because of low power?

Hello , I have some problem running zoneminder on my pi3 (this is the only thing I'm running on the pi) the zonmidner server have only 1 ip camera , and after 3-4 movment recording it get stuck (and even when It recoreding the image get stuck a lot , I don't get smooth captured video ) when I see th...
by david_1234
Tue May 26, 2020 11:15 am
Forum: Networking and servers
Topic: nginx setting for reverse proxy
Replies: 0
Views: 140

nginx setting for reverse proxy

Hello , I want to create a reverse proxy using nginx in my home netwrok so when it will redirect me to my home sensors but I can't seem to find how to do it I'm using the default setting file when I add this : location /MyFrontPgae.html/{ proxy_pass http:172.16.254.120/ } it won't enter the MyFrontP...
by david_1234
Wed May 20, 2020 2:36 pm
Forum: Python
Topic: Python Script to Save list of Bluetooth address detected
Replies: 12
Views: 5264

Re: Python Script to Save list of Bluetooth address detected

sorry for the bump but I want to save time I want to change something in the scan resualt I want to see the mac and the rssi of the device now I can ony see the mac what I need to add\chagne? I thought to add child.expect("Device (([0-9A-Fa-f]{2}:){5}([0-9A-Fa-f]{2})) RSSI",timeout=None) but it didn...
by david_1234
Wed May 20, 2020 1:09 pm
Forum: Beginners
Topic: bluetooth scan interval?
Replies: 0
Views: 93

bluetooth scan interval?

Hello , I'm trying to use PI4 to run a code that will do the simple thing: publish its name for 10 seconds scan the environment fot 10 seconds and save the resualts I have cange the name of the bluetooth using bluetoothctl system-alias "David1234" I can see it in my phone I have try to run a nodejs ...
by david_1234
Wed May 20, 2020 6:40 am
Forum: Troubleshooting
Topic: PI won't recognaize new (fresh ) SD card?
Replies: 14
Views: 527

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

yes now everything is working

very strange..

Thanks you so much!
by david_1234
Tue May 19, 2020 12:23 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: Can't send\read data from I2C devices?
Replies: 0
Views: 145

Can't send\read data from I2C devices?

Hello , a strange problem on my pi4 I have connected Oled display when I run i2cdetect I can see the device but when I try to run the exmaple code I get error sudo i2cdetect -y 1 0 1 2 3 4 5 6 7 8 9 a b c d e f 00: -- -- -- -- -- -- -- -- -- -- -- -- -- 10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- ...
by david_1234
Tue May 19, 2020 12:13 pm
Forum: Troubleshooting
Topic: PI won't recognaize new (fresh ) SD card?
Replies: 14
Views: 527

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: 527

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: 527

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: 527

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: 231

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 ) :? :?

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