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by Tharic-Nar
Tue Oct 16, 2012 8:17 pm
Forum: HATs and other add-ons
Topic: Gertboard Assembly Thread
Replies: 162
Views: 22970

Re: Gertboard Assembly Thread

Kit arrived, just spent over 2 hours putting it all together. The surface mounts did give me a couple problems; it's very easy to use too much or too little solder, but I got there in the end. The bags from Farnell were not clearly labelled, so you have to look for the stock number and then see what...
by Tharic-Nar
Sun May 13, 2012 4:04 pm
Forum: Advanced users
Topic: Ram Heatsinks
Replies: 26
Views: 20166

Re: Ram Heatsinks

If you intend to use a heatsink, go aluminium, no point going with copper. Heat transference between the chip and heatsink isn't the limiting factor, but between the air and heatsink, so surface contact area with the air is more important than the material of the heatsink (to a point).
by Tharic-Nar
Wed Mar 21, 2012 3:15 pm
Forum: General discussion
Topic: Potential power source
Replies: 83
Views: 13446

Re: Potential power source

<t>Ah, it would appear to be an inefficient battle using these external 5v charger packs. After digging, most of this has been discussed in another thread. Basically, if we were to use a 5v external battery pack, half the power would be lost in heat due to the RPi's power conversion. In order to get...
by Tharic-Nar
Wed Mar 21, 2012 10:57 am
Forum: General discussion
Topic: Potential power source
Replies: 83
Views: 13446

Re: Potential power source

<t>I was looking around for something similar too. Wanted to avoid Lithium batteries since when one goes bust, need a completely new unit, so I like to stick to good old AA sources. Something like this should be able to handle things.<br/> <br/> There is the small issue of 4x 1.2v batteries only sup...

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