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by kdsoo
Thu Sep 24, 2015 4:20 am
Forum: Advanced users
Topic: Bosch barometer series accuracy
Replies: 3
Views: 3134

Re: Bosch barometer series accuracy

Hi, Thank you for your pointer. I tried the python code and faced same problem. ;-( Going through the code, the baseline seems to be the same as the Adafruit library. According to the library, it does like follows boolean Adafruit_BMP085::begin(uint8_t mode) { if (mode > BMP085_ULTRAHIGHRES) mode = ...
by kdsoo
Wed Sep 23, 2015 4:04 am
Forum: Advanced users
Topic: Bosch barometer series accuracy
Replies: 3
Views: 3134

Bosch barometer series accuracy

Hi, I suppose the most famous barometer sensor affordable on the market is barometer sensor series from Bosch. I bought tens of BMP085, BMP180 breakout board from Adafruit and found something weird. The value of temperature and pressure coming from each BMP180 are so different. for instance sensor A...
by kdsoo
Mon Jul 13, 2015 3:27 pm
Forum: Arch
Topic: Kernel 4.0 camera V4L2 driver issue
Replies: 0
Views: 1035

Kernel 4.0 camera V4L2 driver issue

Hi, I got full system update today and having a serious problem with V4L2 driver. Every time I attempt to access /dev/vide0, It asserts a kernel stack dump and Pi dies away. kernel stack dump looks as follows [ 922.065435] Unable to handle kernel paging request at virtual address 94948a60 [ 922.0730...
by kdsoo
Wed Mar 05, 2014 2:50 am
Forum: Graphics, sound and multimedia
Topic: Running OpenCV program on Pi model A
Replies: 1
Views: 719

Running OpenCV program on Pi model A

Hi, I'm trying to run a simple CV object detection example on model A but Linux out of memory killer kicks in every time. With VGA resolution of input image seems to be fine but the problem happens over 720P resolution. I tried to turn off oom killer but didn't help. May model A not appropriate for ...
by kdsoo
Sat Feb 22, 2014 12:43 pm
Forum: Camera board
Topic: Camera board film cable alternative
Replies: 4
Views: 4591

Re: Camera board film cable alternative

looks great! but maybe needs connectors to become popular? ~:" I used this one http://www.molex.com/molex/products/datasheet.jsp?part=active/0522071590_FFC_FPC_CONNECTORS.xml&channel=Products&Lang=en-US It makes a perfect match with the flex film cable. It helps to extend the cable but...
by kdsoo
Sat Feb 22, 2014 12:37 pm
Forum: Camera board
Topic: Camera board film cable alternative
Replies: 4
Views: 4591

Re: Camera board film cable alternative

mikerr wrote:That CSI interface does seem resilient to long (and unmatched) cable runs !
Definitely! And even works with 0.25mm wire.
by kdsoo
Fri Feb 21, 2014 7:41 am
Forum: Camera board
Topic: Camera board film cable alternative
Replies: 4
Views: 4591

Camera board film cable alternative

I deadly wanted a long flexible cable for camera board but nothing came up with acceptable outfit on the market. I tried 40cm of film cable but did not make my requirement. (too edgy and fragile!) So here is my workaround for camera board film cable alternative. https://lh4.googleusercontent.com/-2J...
by kdsoo
Fri Aug 30, 2013 10:20 am
Forum: Camera board
Topic: output stream from raspivid seems weird and uncontrollable
Replies: 1
Views: 2458

output stream from raspivid seems weird and uncontrollable

Hello folks, I'm kind of stuck with raspberry pi camera. What I'm intending to do is transfer video stream from raspberry pi camera to nginx rtmp server and finally I'm expecting to pull that rtmp feed as hls stream. I'm using raspberry pi model B and cool raspberry camera attached to MIPI interface...

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