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5v regulated power supply
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<blockquote data-quote="d0dja" data-source="post: 212820" data-attributes="member: 2244"><p>A good (cheap) option is to buy a cheap wall-wart multi-out power supply, crack open the case, remove the switch that lets you select the voltage, and wire it permanently to the 6V taps, and then solder in the 5V regulator like you have above. Try get one with a fairly generous size case so you can fit the regulator and small heatsink in (for the power draw of a Pi you may not even need to heat sink). A way to save space is to cut slots in the wall-wart case for the heatsink fins to poke out of, with the heatsink/reg screwed to the case.</p><p></p><p>That way you get a convenient, small enclosed package, and it's def cheaper than getting a transformer, rectifier, caps, case etc individually.</p></blockquote><p></p>
[QUOTE="d0dja, post: 212820, member: 2244"] A good (cheap) option is to buy a cheap wall-wart multi-out power supply, crack open the case, remove the switch that lets you select the voltage, and wire it permanently to the 6V taps, and then solder in the 5V regulator like you have above. Try get one with a fairly generous size case so you can fit the regulator and small heatsink in (for the power draw of a Pi you may not even need to heat sink). A way to save space is to cut slots in the wall-wart case for the heatsink fins to poke out of, with the heatsink/reg screwed to the case. That way you get a convenient, small enclosed package, and it's def cheaper than getting a transformer, rectifier, caps, case etc individually. [/QUOTE]
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DIY & Tutorials
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5v regulated power supply
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