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Converting a digital foot scale to rechargeable battery.
MY DC POWER SUPPLY
Big phone battery
Finding a use for weak AAA batteries.
DC Multi-voltage Regulator
Change 9 volts to 5 volts
Volthaus Electronics Laboratory
Wet Cell Battery out of Food
Convert a Genius speaker to run on 9 volt baterys.
UberCool MiNi RECHARGEABLE POWER SUPPLY
Battery discharge protector cut-out switch with ATtiny85 for lead acid Car or Lipo battery
Posted:Jan 28, 2013
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