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by cs2000
Mon Nov 10, 2014 9:12 pm
Forum: Automation, sensing and robotics
Topic: Desktop PC Power Control
Replies: 23
Views: 11968

Re: Desktop PC Power Control

The content below has now been updated and works on Raspbian Jessie and Apache 2.4. The page is now also protected by a login screen (default is admin and password) these can be changed in the fiule login_users.php in the login directory Hey guys. My old 32 GB SD card finally died in my RPI, meanin...
by cs2000
Wed Apr 02, 2014 2:18 pm
Forum: Automation, sensing and robotics
Topic: RPi to turn PC on.
Replies: 12
Views: 3003

Re: RPi to turn PC on.

by cs2000
Tue Jan 14, 2014 9:21 am
Forum: Other projects
Topic: Turn on PC with Pi with a twist
Replies: 13
Views: 13946

Re: Turn on PC with Pi with a twist

@Malefactor - Does my post http://www.raspberrypi.org/forum/viewtopic.php?t=57961 assist you at all?
by cs2000
Mon Dec 23, 2013 11:53 am
Forum: Other projects
Topic: Relay triggered ACPI control through GPIO
Replies: 3
Views: 3349

Re: Relay triggered ACPI control through GPIO

Hi, not 100% on everything, but your diagram seems overly complicated. I use one of my Pi's for the exact same purpose (power control on a "big" pc) and you don't need any of the extra electronics, just the Pi, and the relay board. Mines been connected for around 2 months and hasn't once accidentall...
by cs2000
Tue Nov 05, 2013 3:36 pm
Forum: Automation, sensing and robotics
Topic: Desktop PC Power Control
Replies: 23
Views: 11968

Re: Desktop PC Power Control

No worries and thanks for the comment. I did see your topic the other day and realised it was very similar to what I was trying to accomplish, but all is now done. im just adding in temperature measurements now as well as tidying up the electronics side of things.
by cs2000
Mon Nov 04, 2013 2:34 pm
Forum: Automation, sensing and robotics
Topic: Desktop PC Power Control
Replies: 23
Views: 11968

Re: Desktop PC Power Control

OK, managed to sort out the monitoring of the current PC status too. I don't know much about electronics, so forgive me! Im using the desktop PC's LED + and - headers on the motherboard as this usually connects to an LED which is on when the PC is obbted up, and off when not. The suggestion above wa...
by cs2000
Thu Oct 31, 2013 11:23 am
Forum: Other projects
Topic: Where do you get your laser cutting done?
Replies: 11
Views: 3908

Re: Where do you get your laser cutting done?

I know this post is about 2 weeks old, but have you considered water jet cutting?

I have has large metal sheets cut and shapes then cut into these for £30 before.
by cs2000
Tue Oct 29, 2013 9:04 am
Forum: Automation, sensing and robotics
Topic: Desktop PC Power Control
Replies: 23
Views: 11968

Re: Desktop PC Power Control

Morning all Just wanted to update you all as now my parts have arrived. Firstly, my python script was wrong, but only a little bit, but anyways, I have the Python working 100% now, and I can control the relays either by entering the python manually or by calling sudo python /var/www/python/pw_off.py...
by cs2000
Tue Oct 15, 2013 8:21 am
Forum: Automation, sensing and robotics
Topic: Desktop PC Power Control
Replies: 23
Views: 11968

Re: Desktop PC Power Control

Hah, clear as mud indeed! But your web-page does look very "fully featured" so to speak ! Your solution sounds like what im doing, I think anyway! My page currently just has buttons set up as a form in HTML, one for hard reset, power and reset buttons. The forms are set up as POST and the button pre...
by cs2000
Mon Oct 14, 2013 9:32 am
Forum: Automation, sensing and robotics
Topic: Desktop PC Power Control
Replies: 23
Views: 11968

Re: Desktop PC Power Control

Excellent. I did think those two IC's behind the relays were opto isolators but its a new word for me so wasn't 100%. Its also good news the relay will work. I have ordered appropriate cabled to power the relay board with an external power supply as this did cross my mind, but was doing to try with ...
by cs2000
Sun Oct 13, 2013 3:56 pm
Forum: Automation, sensing and robotics
Topic: Desktop PC Power Control
Replies: 23
Views: 11968

Re: Desktop PC Power Control

Hi, When the gpio pin goes high (3.3v) the transistor conducts and the high side of the reset is pulled down to ground, causing a reset. When the gpio is set low again, the PC restarts. (You don't need to wait 11 seconds for a reset, although a power off usually requires that the circuit is held lo...
by cs2000
Sat Oct 12, 2013 11:17 pm
Forum: Automation, sensing and robotics
Topic: Desktop PC Power Control
Replies: 23
Views: 11968

Re: Desktop PC Power Control

Thanks for the two good replies guys. As I say I had my model B right at the start and as such there was only raspbian available. Ive spent a few hours this evening figuring things out and still think its a good distro to use, especially for this project as it includes the GPIO binaries (or whatever...
by cs2000
Fri Oct 11, 2013 4:26 pm
Forum: Automation, sensing and robotics
Topic: Desktop PC Power Control
Replies: 23
Views: 11968

Desktop PC Power Control

Hey all, Ive had a Pi since the first batch ever rolled off of the production line, but it generally sits in my cupboard :( Im a Linux noob really and it has given me some great insights but found it generally a pain to use as a desktop OS. Anyway, I knew one day id need it, and here it is, but I ne...

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