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by ait
Wed Dec 26, 2018 11:17 am
Forum: General discussion
Topic: Just burned out two pi zero boards
Replies: 18
Views: 1104

Re: Just burned out two pi zero boards

Hello,
on my pizero it is the same, LED permanently on, when the SD Card ist active the LED is off.
by ait
Fri Dec 07, 2018 5:24 pm
Forum: Beginners
Topic: Audio with Pi zero
Replies: 8
Views: 353

Re: Audio with Pi zero

can I use the Pi zero for audio WITHOUT AN AMPLIFIER?
No
I want to keep price as low as possible.
https://www.ebay.de/itm/Arduino-PAM8302 ... rk:14:pf:0
by ait
Tue Dec 26, 2017 3:33 pm
Forum: General discussion
Topic: What is U19 on a Pi 3?
Replies: 3
Views: 937

Re: What is U19 on a Pi 3?

Anyone know what is U19 on the back side of a Pi3, by the SD card slot?
it seemend to be the wifi chip

https://raspberrypi.stackexchange.com/q ... fi-problem
by ait
Fri Dec 22, 2017 10:02 am
Forum: Graphics, sound and multimedia
Topic: 3.5mm output and impedance?
Replies: 7
Views: 1889

Re: 3.5mm output and impedance?

Even the cheapest of cheap Chinese headphones are only 32Ohms
sennheiser HD 660 S 499 EUR 150Ohms

https://www.head-fi.org/threads/meet-th ... -s.862720/
by ait
Fri Nov 10, 2017 8:10 pm
Forum: Raspbian
Topic: xterm: Xt error: Can't open display: %s
Replies: 8
Views: 1891

Re: xterm: Xt error: Can't open display: %s

hello,
just a suggestion:
try it without xterm -e
by ait
Mon Oct 30, 2017 5:40 pm
Forum: Deutsch
Topic: Differenzspannung messen mit einem AD-DA Wandler
Replies: 4
Views: 1202

Re: Differenzspannung messen mit einem AD-DA Wandler

Moin, vielleicht hilft Dir das: https://www.mikrocontroller.net/topic/7327 weiter oder hier: https://tutorials-raspberrypi.de/raspberry-pi-waage-bauen-gewichtssensor-hx711/ Die Meßspannung einer Wägezelle ist sehr gering. Es gibt spezielle IC/Module dafür. Such mal in der Bucht unter HX711 Edit: In ...
by ait
Mon Aug 21, 2017 5:17 pm
Forum: General discussion
Topic: Raspbian Stretch (9.1) has arrived !!
Replies: 129
Views: 30827

Re: Raspbian Stretch (9.1) has arrived !!

Hmm - it definitely fixes the animations for me
for me too.
Before i could not see
http://i.imgur.com/8Lp9G7O.gifv
Chromiun said "Oh no"
after i dowlloaded the files and copy them in the right dirrectories i can see the animated GIF
by ait
Sun Jul 30, 2017 11:25 am
Forum: Python
Topic: error : USBPrinter instance has no attribute '_Generic__write'
Replies: 2
Views: 1294

Re: error : USBPrinter instance has no attribute '_Generic__write'

Hello,
(idVendor=0x0483,
idProduct=0x5720,
0483:5720 seemed to be a USB flashdrive
Bus 003 Device 009: ID 0483:5720 STMicroelectronics STM microSD Flash Device
by ait
Sun Jul 23, 2017 10:14 am
Forum: Official Foundation Display
Topic: Much larger DSI display wanted
Replies: 24
Views: 22862

Re: Much larger DSI display wanted

The AdaFruit people have the "Kippah" that adds regular LVDS panel support
no, it is for DPI panels.
by ait
Thu May 18, 2017 9:23 am
Forum: General discussion
Topic: Raspberry PI Zero W OpenGL support
Replies: 5
Views: 2177

Re: Raspberry PI Zero W OpenGL support

in this release we are shipping an experimental OpenGL driver for the desktop which uses the GPU to provide hardware acceleration. This is turned off by default – if you want to enable it, you can find it in the command-line version of raspi-config, under Advanced Options->GL Driver. Due to memory ...
by ait
Sat Apr 01, 2017 4:07 pm
Forum: General discussion
Topic: Soldered USB dongle won't work without cable connected
Replies: 5
Views: 1164

Re: Soldered USB dongle won't work without cable connected

Hello,
i would try to separate the power-cables from the data-cables and twist the data-cables.
by ait
Sun Mar 26, 2017 6:40 pm
Forum: General discussion
Topic: Reuse old tablet screen for raspberry
Replies: 4
Views: 7320

Re: Reuse old tablet screen for raspberry

There is no build-in LVDS-controller.
The DSI -connector could only be used by the original Raspberry-Display
by ait
Sun Mar 26, 2017 11:07 am
Forum: General discussion
Topic: Reuse old tablet screen for raspberry
Replies: 4
Views: 7320

Re: Reuse old tablet screen for raspberry

Hello,
you can/must use a controller like this: http://www.ebay.com/itm/HDMI-DVI-VGA-LC ... 2021742877
by ait
Sat Jan 14, 2017 2:04 pm
Forum: Other projects
Topic: Sharp LQ092B5DW01 (960x160pixel TFT module) meets RPi3
Replies: 26
Views: 7730

Re: Sharp LQ092B5DW01 (960x160pixel TFT module) meets RPi3

Hello, my settings in config.txt where ("where" because i do not use the display at the moment): dtoverlay=dpi24 framebuffer_width=960 framebuffer_height=160 enable_dpi_lcd=1 dpi_group=2 dpi_mode=87 # Hdmi CVT display_default_lcd=1 hdmi_timings=960 1 2 8 242 160 1 0 10 40 0 0 0 60 0 15900000 8 i use...
by ait
Thu Jan 05, 2017 2:57 pm
Forum: Other projects
Topic: Sharp LQ092B5DW01 (960x160pixel TFT module) meets RPi3
Replies: 26
Views: 7730

Re: Sharp LQ092B5DW01 (960x160pixel TFT module) meets RPi3

Here is what the module looks like when red backlight is used:
Aha, i never tried the red backlight.
Afaik the display was part of the BMW 7 Dashboard.
The red backlight was for the "Night Mode".
by ait
Tue Nov 01, 2016 10:43 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: MCP3208 works fine at home but not at work
Replies: 5
Views: 1421

Re: MCP3208 works fine at home but not at work

No,i Just read the Datasheet again and found: The two grounds are connected internally through the sub- strate, which has a resistance of 5 -10Ω. maybe thats why the ADC gets hot. I would try galvanically isolation with http://www.ebay.de/itm/Stromsensor-20A-ACS712-fur-Arduino-Analogausgang-/2014482...
by ait
Tue Nov 01, 2016 9:07 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: MCP3208 works fine at home but not at work
Replies: 5
Views: 1421

Re: MCP3208 works fine at home but not at work

sorry, i misunderstood your Post.
by ait
Tue Nov 01, 2016 8:50 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: MCP3208 works fine at home but not at work
Replies: 5
Views: 1421

Re: MCP3208 works fine at home but not at work

AGND and DGND must be connected If no ground plane is utilized, both grounds must be connected to VSS on the board. If a ground plane is available, both digital and analog ground pins should be connected to the analog ground plane. If both an analog and a digital ground plane are available, both the...
by ait
Mon Sep 12, 2016 10:03 am
Forum: Deutsch
Topic: Raspberry Pi 3 von Festblatte Booten
Replies: 5
Views: 2585

Re: Raspberry Pi 3 von Festblatte Booten

Ich habs nur einmal mit einem USB-Stick und einmal mit der Pidrive Festplatte ausprobiert. Booten dauert etwas länger weil der Raspi erst nach der SD-Karte im Slot sucht. Danach hab ich gefühlt keinen Unterschied feststellen können. Allerdings hab ich es nur kurz ausprobiert und nicht Geschwindigkei...
by ait
Mon Sep 12, 2016 7:17 am
Forum: Deutsch
Topic: Raspberry Pi 3 von Festblatte Booten
Replies: 5
Views: 2585

Re: Raspberry Pi 3 von Festblatte Booten

Moin Der Raspberry benötigt IMMER die Speicherkarte zum booten. Zumindest der Bootloader muss auf der SD sein. Das eigentliche System kann dann auf der Hardisk liegen. das stimmt so nicht mehr.. Richtig ist das sowohl vom USB-Stick als auch von USB-Festplatte ein direktes Booten möglich ist. Siehe: ...
by ait
Wed Apr 06, 2016 7:23 am
Forum: Deutsch
Topic: Hilfe für Troubleshooting: RPI 3 läuft nicht stabil?!
Replies: 2
Views: 1161

Re: Hilfe für Troubleshooting: RPI 3 läuft nicht stabil?!

Moin,
falls Du Deinen RPI 3 headless betreibst ist vielleicht dieser http://www.forum-raspberrypi.de/Thread- ... wlan+rpi+3 Link hilfreich.
Ait
by ait
Tue Mar 29, 2016 6:28 pm
Forum: General discussion
Topic: Stellarium on Pi
Replies: 21
Views: 8442

Re: Stellarium on Pi

hello Georg,
works good on my RPI 3 with raspbian jessie.
8 FPS with 1280x1024 resolution.
Thank you.
Ait

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