Go to advanced search

by famco
Wed Apr 09, 2014 9:36 am
Forum: Advanced users
Topic: Reset-Problem with Raspberry
Replies: 6
Views: 1368

Re: Reset-Problem with Raspberry

Thanks for the advices. The cabels are ok and the Pi gets 5v (static). It will be difficult to catch an nonstarting Pi with the oscilloscope because this happen only in 0,1% of the resets.
But I will think about a setup for testing this. It will take some days ...
by famco
Tue Apr 08, 2014 2:32 pm
Forum: Java
Topic: Database selection
Replies: 13
Views: 14604

Re: Database selection

Hi, I am using h2-Database on mi pi. Small footprint, very fast (if connected once) and very reliable on resets, lost of power ...
by famco
Tue Apr 08, 2014 2:28 pm
Forum: Java
Topic: Headless?
Replies: 12
Views: 4024

Re: Headless?

what do you exact mean with headless? I compile all my java stuff with netbeans on my pc and copy the .jar to the pi. The I start the program with sudo java -jar myprog.jar and it runs very good. From putty cmdline or autostart, The program does not contain any gui, it just process some inputs and s...
by famco
Tue Apr 08, 2014 2:22 pm
Forum: Advanced users
Topic: Reset-Problem with Raspberry
Replies: 6
Views: 1368

Re: Reset-Problem with Raspberry

The powersuply is 5V and can deliver up to 1,5A this much more than required.
So I think thats not the problem.
I made another test reseting the pi while writing to a (h2) database. Again no damage
of the SD card and no db crash (!) but in 0,3% the board didn't come up (around 6000 resets)
by famco
Thu Apr 03, 2014 11:30 am
Forum: Advanced users
Topic: Reset-Problem with Raspberry
Replies: 6
Views: 1368

Reset-Problem with Raspberry

Hi, i noticed, that sometimes the raspberry does not boot correct. On some webpages this problems are assigned to bad powercontrol or bad SD-cards. So I decided to do some tests. Preparations: - creating an image with wheezy (raw) and a small programm tha toggle a Output-Pin (autostart) - an externa...

Go to advanced search