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by _John
Sun Feb 24, 2013 9:48 am
Forum: Troubleshooting
Topic: Broken GPIO? -- How to test?
Replies: 20
Views: 7257

Re: Broken GPIO? -- How to test?

I dont know how likely this is but I am now thinking that gpio's / power rail(s) to the gpio's are defect (I have 2A phone charger as a power-supply that should be enough for a LED) . I tried just lighting the LED up via a direct connection 3.3V -> LED -> resistor -> GND but the LED still did not li...
by _John
Sun Feb 17, 2013 11:07 am
Forum: Troubleshooting
Topic: Broken GPIO? -- How to test?
Replies: 20
Views: 7257

Re: Broken GPIO? -- How to test?

I am fairly sure that this is an LED on my breadboard....

:) Image
by _John
Sun Feb 17, 2013 8:29 am
Forum: Troubleshooting
Topic: Broken GPIO? -- How to test?
Replies: 20
Views: 7257

Re: Broken GPIO? -- How to test?

Hi all, thanks for your replies. I followed the lead of trying to steer the OK LED GPIO 16 and that does work after I flush the SD Card permissions from it as per this: http://www.raspberrypi.org/phpBB3/viewtopic.php?p=136266#p136266 I have given the other GPIOs a try with a couple of LED but have n...
by _John
Tue Feb 12, 2013 7:52 pm
Forum: Troubleshooting
Topic: Broken GPIO? -- How to test?
Replies: 20
Views: 7257

Re: Broken GPIO? -- How to test?

oh sorry joan, I forgot to answer I have a bags full of resistors (I ordered a "starter bag" for about a tenner from ebay) and the various diagrams have called for tutorials I have tried to follow have used different ones. if you have an "idiot-like-me-proof" setup just assume I will have the right ...
by _John
Tue Feb 12, 2013 7:39 pm
Forum: Troubleshooting
Topic: Broken GPIO? -- How to test?
Replies: 20
Views: 7257

Re: Broken GPIO? -- How to test?

Hi, thanks for the initial hints, to answer the questions that arose: a) I have a bag of LED's and I can get them to light up with a battery b) I polarity I don't think is the issue in my tests ==> what simplest setup would you recommend I use to test with LED? on multimeter what tests would you run...
by _John
Tue Feb 12, 2013 1:57 pm
Forum: Troubleshooting
Topic: Broken GPIO? -- How to test?
Replies: 20
Views: 7257

Broken GPIO? -- How to test?

Hi. I am a bit of electronics Newb and I have been trying to get my Rev1 Model B to light up an LED via GPIO. I followed various tutorials floating through the interweb and I cannot get any to work, leading me to the thought that somewhere along the way I might have damaged the GPIO of my PI (I have...
by _John
Tue May 29, 2012 7:20 pm
Forum: Automation, sensing and robotics
Topic: Newb sensory
Replies: 2
Views: 1484

Newb sensory

Hi, as per my post on the weather thread I am total newb when it comes to sensing and I feel that the discussion is diving to far into the deep end of the pool for me. Could some one point me in the direction of where / how I can learn about a simple temperature sensor to start with? (I need help wi...
by _John
Wed May 23, 2012 4:48 pm
Forum: Automation, sensing and robotics
Topic: Weather Pi
Replies: 19
Views: 12911

Re: Weather Pi

Hi, as a complete NEWB to this area but as a thing I wanted to try and use the Pi for I would be really greatful if you guys could give me some general pointers where to read on things like this. ( warning the following is probably still in dreamland for me ) but in the longer run it would be great ...

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