usb Solar Power

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* Will not work with all phones or usb battery chargers.* The protection diode is critical when used with digital meter for protection of usb devices seeing the residual panel voltage in the digital meter’s caps. The main use for this is charging AA,AAA batteries with a eneloop usb charger. Schematic- img217.imageshack.us Works with any solar panel 7-30 volts. DC converter specs Input Voltage Range = 7V-36V Output Voltage = 5 V Output Current ≤ 1.5 Amps (1500mA) Mouser Part #:580-OKI78SR5/1.5W36C – $3.93 Datasheet for OKI-78SR www.murata-ps.com 3digit meter – fcb_electronics (ebay) – $14.99 Female USB jack – ~$1 Acrylic plastic (Tap Plastics) – ~$2 SPDT switch – ~$1 music is by Positively Dark- www.entropymusic.com

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