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RPi Easy SD Card Setup - eLinux.org

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5V PSU prototype 5V PSU prototype 5V PSU prototype<br />

5V PSU prototype<br />

I will make another PSU (for permanent operation) later - new 7805 in TO-220 package<br />

[7] , appropriate heatsink, 1k resistor for R1 and a small pot for R2, new "fresh" caps and a<br />

transil, usb connector on PCB ... and I'll put it in some case.<br />

~#Pinoccio<br />

Other PSU options<br />

Simple switched PSU (with LM2576): The MagPi - Issue 6 (http://www.themagpi.com) -<br />

page 8+9,<br />

And more info on LM2576 [8] : link (http://www.hobby-hour.com/electronics/<br />

lm2576-step-down-switching-regulator.php) , link (http://wiringschematic.net/<br />

lm2576-switching-regulator/) , link (http://www.siongboon.com/projects/<br />

2005-08-07_lm2576_dc-dc_converter/)

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