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Wizard of Oz (wizardofoz) - BPL Guest

My Locale New England
About Me Avid Backpacker, MYOG Amateur, and adventure seeker!
CitySouthbridge
StateMA
CountryUSA
My PDF Gear ListGrand Canyon Rim to Rim to Rim Nov 2012

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All Forum Posts by Wizard of Oz

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Re: Of or or?
Good catch Jack! Fixed that typo... What, you don't want to do all that miniscule soldering, haha! Yea, I had to buy the board in a batch...well it cost the same whether I got 1 or 6, so I g...

In Make Your Own Gear » Project: 4oz 1A USB Charger
October 09, 7:28am

And the winner is...
Received that last IC I was waiting for to help with the low light issues. The TPS3808 works like a charm! It completely takes care of the oscillation and gives a variable 7-12 sec pause when the p...

In Make Your Own Gear » Project: 4oz 1A USB Charger
October 08, 6:18am

Realworld Results!
Two updates: 1. Started from a completely dead iPhone 4S with the charging circuit on .5A mode. 100% charge reached in 94 minutes! 2. I forgot to post this before, but this circuit does NOT d...

In Make Your Own Gear » Project: 4oz 1A USB Charger
September 28, 8:03am

Parts and determination
Yea, I definitely love digikey! newark online is my other favorite if I actually have to break down and 'buy' parts. My favorite is the free sample places :) TI and other big names are grea...

In Make Your Own Gear » Project: 4oz 1A USB Charger
September 28, 5:55am

Re: Flexair R&D
Jason, Let me know if you find any good techniques. I was going to basically iron a 'T' shape in the middle of the pillow. I'm going to lead the edges completely alone so I don't we...

In GEAR » Flexair Dual Chambered blow-up pillows - STOCK FOUND
September 28, 5:41am

Sun Power!!! YEA!
So I had intermittent clear skies here so I got outside with the actual solar panel to see how it all came together. I forgot to bring the iPhone cable that I could hack up so I didn't implemen...

In Make Your Own Gear » Project: 4oz 1A USB Charger
September 27, 1:27pm

'Chinese' knockoffs
Yea, not so much on the ebay one...I see your point, but if you take a few apart, the knockoffs (from china, or wherever) are generally assembled poorly with very bad quality control. If they don&...

In Make Your Own Gear » Project: 4oz 1A USB Charger
September 27, 11:52am

Re: Re: Some thoughts
David, so the inductor pretty much takes up one end of the board, and the spec sheet details some of the proper component placement and routing on a PCB to help with noise. I'll put the mods on...

In Make Your Own Gear » Project: 4oz 1A USB Charger
September 27, 7:14am

Re: flex air
I didn't know that, I'll give it a shot! Thanks! Now if you can just till me a way to break out the iron without getting roped into ironing my own shirts...might be too risky...

In GEAR » Flexair Dual Chambered blow-up pillows - STOCK FOUND
September 26, 2:45pm

Some thoughts
At a few points during this fun, I thought about limiting the system to just the 500mA setting for simplicity sake. But I found this graph, that basically says it really will charge almost twice as...

In Make Your Own Gear » Project: 4oz 1A USB Charger
September 26, 1:45pm

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