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Usb-variable-power-supply

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USB Variable Power Supply based on the LM317 Device

Board Features:



Layout





Parts List

Part Part Number Unit Price Notes Link
USB Mini Connector 151-1206-1-ND $6.55 10 Connectors http://www.digikey.com/product-detail/en/edac-inc/690-005-299-043/151-1206-1-ND/4312192
LM317 768-1008-1-ND $0.77 In stock http://www.digikey.com/product-detail/en/texas-instruments/LM317DCYR/296-12602-1-ND/443738
0.1uF, 0402, Cap 490-6328-1-ND $0.55 100 capacitor http://www.digikey.com/product-detail/en/murata-electronics-north-america/GRM155R71C104KA88J/490-6328-1-ND/3845525
10uF, 0805, Cap 1276-6456-1-ND $0.78 10 capacitor http://www.digikey.com/product-detail/en/samsung-electro-mechanics-america-inc/CL21A106KPFNNNG/1276-6456-1-ND/5958084
143 ohm, 0402 YAG2980CT-ND $0.48 100 resistors http://www.digikey.com/product-detail/en/yageo/RC0402FR-07143RL/YAG2980CT-ND/5281845
240 ohm, 0402 RMCF0805JT240RCT-ND $0.67 100 resistors http://www.digikey.com/product-detail/en/stackpole-electronics-inc/RMCF0805JT240R/RMCF0805JT240RCT-ND/1942545
392 ohm, 0402 311-392CRCT-ND $0.87 100 resistors http://www.digikey.com/product-detail/en/yageo/RC0805FR-07392RL/311-392CRCT-ND/730851
1uF, 0402 Cap 490-1320-1-ND $0.96 100 capacitor http://www.digikey.com/product-detail/en/murata-electronics-north-america/GRM155R60J105KE19D/490-1320-1-ND/587919
Red LED SML-D12V1WT86CT-ND $1.71 10 LEDs http://www.digikey.com/product-detail/en/rohm-semiconductor/SML-D12V1WT86/SML-D12V1WT86CT-ND/5843857
Yellow/Green LED SML-D12M1WT86CT-ND $1.71 10 LEDs http://www.digikey.com/product-detail/en/rohm-semiconductor/SML-D12M1WT86/SML-D12M1WT86CT-ND/5843861
PCB Fab 2 layer prototype $5.00 3 copies http://docs.oshpark.com/services/two-layer/



Additional Information: