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My First Box

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deception

Senior Member
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Nov 12, 2011
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Singapore
If you decide to make A PV out of wood, and decided to make it real nice, it would be common sense to charge it @ good price. E.G: Touchwoods' PV.

If you were to make it real nice, and decided to sell, I WOULD buy from you! :laugh:

hm... please dont itch my fingers.. hahaaa.. but I might visit art friend one day and see what type of wood they are offering..

Wah, can teach me how to make a box mod not. I understand circuitry, but I don't even know where to begin with. Haahahaha. Everything can get at sim lim tower ah?:?:

most things you can get from slt the box the switch and a poti.. but the thing to consider is the voltage regulators you wanna use...

if you are considering stepping down there are 2 ways to go
normal LM7805 (which is a linear regulator) adjustable regulators you can get it at slt and cheap but the efficiency isn't very good as it'll drain your batts fast. the unused voltage used to step down is wasted in heat.

for me i'm using a switching regulator. the OKR-T/3-W12. its not stocked at sls and you need to get it else where eg: RS components, instead of giving off constant voltage it constantly oscillates (turning on and off) so fast that our atty can heat up.
you change is voltage by using poti which will vary the peak voltage. its has better efficiency as almost no heat is wasted. but it comes at a price.. around $20 for the cheapest i think.
 
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