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by hamza
Fri Oct 30, 2015 9:04 pm
Forum: Beginners
Topic: can I use rpi as a logic analyzer???
Replies: 18
Views: 5023

Re: can I use rpi as a logic analyzer???

Thank u joan...its working correctly now I hope the time mesuearment is accurate. The default sampling rate at 5µs intervals should get relative timings accurate to +/- 10µs. That is good enough for almost everything I do on the Pi. For anything else I'd used a Saleae 8-channel logic analyser dongl...
by hamza
Fri Oct 30, 2015 9:59 am
Forum: Beginners
Topic: can I use rpi as a logic analyzer???
Replies: 18
Views: 5023

Re: can I use rpi as a logic analyzer???

Thank u joan...its working correctly now

I hope the time mesuearment is accurate.
by hamza
Thu Oct 29, 2015 9:13 pm
Forum: Beginners
Topic: can I use rpi as a logic analyzer???
Replies: 18
Views: 5023

Re: can I use rpi as a logic analyzer???

sorry there is no update or any change..just pink or blue screen. :mrgreen: :?: :roll: I don't know why you have funny colours. You still don't seem to be starting things properly. Try sudo killall piscope sudo killall pigpiod sudo rm /var/run/pigpio.pid Any of all of the above may return errors. I...
by hamza
Thu Oct 29, 2015 6:24 pm
Forum: Beginners
Topic: can I use rpi as a logic analyzer???
Replies: 18
Views: 5023

Re: can I use rpi as a logic analyzer???

sorry there is no update or any change..just pink or blue screen. :mrgreen: :?: :roll:
by hamza
Thu Oct 29, 2015 6:06 pm
Forum: Beginners
Topic: can I use rpi as a logic analyzer???
Replies: 18
Views: 5023

Re: can I use rpi as a logic analyzer???

thank you...its working now but the screen is pink...i think there is something wrong!!!@!!!!!
Image
by hamza
Wed Oct 28, 2015 5:13 pm
Forum: Beginners
Topic: can I use rpi as a logic analyzer???
Replies: 18
Views: 5023

Re: can I use rpi as a logic analyzer???

as long as the signals are digital, and stay below 3.3V (or you will blow up the PI which is NOT 5V tolerant). also, there are very cheap 8-channel USB logic analyzers these day that sell for just $8 or so from Chinese sites, including windows software, they work, I have used them. They are clones ...
by hamza
Wed Oct 28, 2015 5:11 pm
Forum: Beginners
Topic: can I use rpi as a logic analyzer???
Replies: 18
Views: 5023

Re: can I use rpi as a logic analyzer???

thank u I followed all steps,but still not working....plz advice pi@raspberrypi ~/PIGPIO $ gcc -o foobar foobar.c -lpigpio -lrt -lpthread gcc: error: foobar.c: No such file or directory pi@raspberrypi ~/PIGPIO $ sudo ./foobar sudo: ./foobar: command not found pi@raspberrypi ~/PIGPIO $ sudo pigpiod 2...
by hamza
Tue Oct 27, 2015 6:32 pm
Forum: Beginners
Topic: can I use rpi as a logic analyzer???
Replies: 18
Views: 5023

Re: can I use rpi as a logic analyzer???

Thank u goode..but I think the rpi is enough to read signal without additional componants.
by hamza
Tue Oct 27, 2015 6:29 pm
Forum: Beginners
Topic: can I use rpi as a logic analyzer???
Replies: 18
Views: 5023

Re: can I use rpi as a logic analyzer???

Thank u buja
I followed all steps..step by step...but nothing is working...
When I type sudo pigpio
The error is comnand not found...
What is the problem??
Becouse I installed it or rpi 2b
by hamza
Sun Oct 25, 2015 9:11 pm
Forum: Beginners
Topic: can I use rpi as a logic analyzer???
Replies: 18
Views: 5023

can I use rpi as a logic analyzer???

hi

can I use rpi as a logic analyzer???
by hamza
Sat May 30, 2015 10:11 am
Forum: Beginners
Topic: RCA or 35 mm output bad image quality
Replies: 3
Views: 553

RCA or 35 mm output bad image quality

hi

the image or video signal quality of RCA or 35 mm output is too bad ,so, does raspberry pi intrested to develop the quality of this signal??
by hamza
Fri May 22, 2015 2:49 pm
Forum: Beginners
Topic: Send pictures from Raspberry to smartphone over bluetooth
Replies: 22
Views: 23076

Re: Send pictures from Raspberry to smartphone over bluetoot

thank you, its working perfectly,
how can detect if the image received correctly??(i mean by code??) is there notification or flage??
by hamza
Fri May 22, 2015 1:26 pm
Forum: Beginners
Topic: IR remote(LIRC)
Replies: 5
Views: 2557

Re: IR remote(LIRC)

thank you, its working now and I can see the pressed key number.

now,where i can find the pressed key(or file) because I want to connect it with my buttons and gpio???
by hamza
Thu May 21, 2015 11:42 pm
Forum: Beginners
Topic: rs485
Replies: 7
Views: 4282

rs485

hi

how can I configure the rpi pins (Tx,RX) gpio14,gpio 15 to RS-485???is there supported library??
by hamza
Thu May 21, 2015 11:38 pm
Forum: Beginners
Topic: bluetoot
Replies: 6
Views: 816

Re: bluetoot

i am trying to find Linux commands for Bluetooth, also I tried man Bluetooth,but its not found.
by hamza
Thu May 21, 2015 8:37 pm
Forum: Beginners
Topic: bluetoot
Replies: 6
Views: 816

Re: bluetoot

I hope to find clear answer. plz advice us!!
by hamza
Thu May 21, 2015 6:15 pm
Forum: Beginners
Topic: Console Screen Saver and Backlight
Replies: 4
Views: 854

Re: Console Screen Saver and Backlight

see below link
view ... 91&t=57552
by hamza
Thu May 21, 2015 5:02 pm
Forum: Beginners
Topic: bluetoot
Replies: 6
Views: 816

bluetoot

hi

how can I send a file or folder using Bluetooth usb dongle to android phone and another raspberry pi using linux commands??
by hamza
Thu May 21, 2015 2:00 pm
Forum: Beginners
Topic: IR remote(LIRC)
Replies: 5
Views: 2557

IR remote(LIRC)

hi I have sharp IR remote and trying to make it working with my rpi 2b,I followed the instructions using this link http://alexba.in/blog/2013/01/06/setting-up-lirc-on-the-raspberrypi/ now, i can see the signal on the terminal using this command''mode2 -d /dev/lirc0'' but I did not find how to setup ...
by hamza
Wed May 20, 2015 12:09 pm
Forum: Beginners
Topic: fetchmail > /dev/null\
Replies: 9
Views: 1305

Re: fetchmail > /dev/null\

How can I run the comnand or script as pi user ??or another user?
by hamza
Tue May 19, 2015 11:38 pm
Forum: Beginners
Topic: fetchmail > /dev/null\
Replies: 9
Views: 1305

fetchmail > /dev/null\

hi i execute ed this command using command terminal fetchmail > /dev/null\ and it is working correctly, but when I but put it inside bash scrpit, then it give me the following error fetchmail: WARNING: Running as root is discouraged. fetchmail: no mailservers have been specified. #!/bin/bash fetchma...
by hamza
Sat May 16, 2015 4:41 pm
Forum: Beginners
Topic: minibian update
Replies: 0
Views: 251

minibian update

Hi

Where can i find the documentation for minibuan distro??
Becouse im trying to make update and upgrade but there is alot of errors!!

I used
apt-get update

Also its connecting to internet using ethernet
by hamza
Fri May 15, 2015 10:22 am
Forum: Beginners
Topic: how to send email
Replies: 2
Views: 491

Re: how to send email

Thank you, im trying to find working example.

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