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by tvvignesh
Wed Feb 25, 2015 5:58 pm
Forum: Troubleshooting
Topic: Very high shock in raspberry PI 2 Model B
Replies: 7
Views: 1882

Re: Very high shock in raspberry PI 2 Model B

Thanks a lot guys for all your fast replies. I wrote this post cause I am pretty sure it was an AC shock since I am well aware of the shock that the 5V DC may give me and it is certainly not that and I get it only when my TV's HDMI is connected to the PI which does not happen in the older PI version...
by tvvignesh
Wed Feb 25, 2015 1:49 pm
Forum: Troubleshooting
Topic: Very high shock in raspberry PI 2 Model B
Replies: 7
Views: 1882

Very high shock in raspberry PI 2 Model B

I recently bought the latest Raspberry PI 2 Model B and I am getting very high shock whenever I touch the PI which was not the case with my old PI (Raspberry PI Model B). Is there any reason behind this? Can this be fixed? If the PI which I got is faulty, does the foundation accept returns? Thanx in...
by tvvignesh
Thu Feb 19, 2015 2:29 pm
Forum: Troubleshooting
Topic: PI does not boot (Only red power LED lights up)
Replies: 1
Views: 459

PI does not boot (Only red power LED lights up)

Hi. I have been working on Raspberry PI Model B and I think I might have accidentally supplied 12V to GPIO pin for a duration of 10 seconds or so via breadboard. The Processor heated up, i got a smell and I am not sure if my PI is burnt or not. I checked few resources which asked me to measure the v...
by tvvignesh
Fri Jan 30, 2015 3:37 am
Forum: Automation, sensing and robotics
Topic: Creating a 0-10V voltage range for ballasts
Replies: 38
Views: 20926

Re: Creating a 0-10V voltage range for ballasts

BRO!! Thanx a TON!! I am not good at electronics. That is why I asked this question but you clarified it very well. :-)
by tvvignesh
Thu Jan 29, 2015 7:35 pm
Forum: Automation, sensing and robotics
Topic: Creating a 0-10V voltage range for ballasts
Replies: 38
Views: 20926

Re: Creating a 0-10V voltage range for ballasts

danjperron wrote:Image

R5 force 0 V on initialization
R4 could be omitted , it is just to balance the amplifier.

Daniel

YOU ARE AMAZING!! LOVE YOU :-) Thanks a lot bro.. Exactly what i wanted.. Will connect it and see if it works..
by tvvignesh
Thu Jan 29, 2015 5:49 pm
Forum: Automation, sensing and robotics
Topic: Creating a 0-10V voltage range for ballasts
Replies: 38
Views: 20926

Re: Creating a 0-10V voltage range for ballasts

@danjeperron, @scotty101: thanx.. i was also thinking of something similar but did not get a circuit schematic anywhere.

@BMS Doug: thanx.. will check its price.. i wanted my project to be economical. so, adding any more module will just increase the cost.
by tvvignesh
Thu Jan 29, 2015 6:45 am
Forum: Automation, sensing and robotics
Topic: Creating a 0-10V voltage range for ballasts
Replies: 38
Views: 20926

Creating a 0-10V voltage range for ballasts

Hi there. I have been working on automating my house and i was looking to dim and brighten the lights (not only led) using ballasts which require input voltage of range 0 to 10v DC depending on which the light output is given 0V-off, 10V-on and anything in between changes brightness levels. Now, i a...
by tvvignesh
Sun Jan 18, 2015 10:51 am
Forum: Automation, sensing and robotics
Topic: Web based IR/RF device control over long range
Replies: 0
Views: 437

Web based IR/RF device control over long range

I am trying to implement a Building Automation System where I would like to implement web-based or mobile based control of all ir/rf based devices like tv,a/c,sound system, etc. The PI will be placed in a centralized location in the building from which it transmits signals to all devices. I have don...

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