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usb_pwrmon

Simple usb port current/voltage measurement with display.

oled breakout

front pcb back pcb

comp info

oled

http://www.aliexpress.com/snapshot/276751791.html http://rusticengineering.com/2010/05/10/oled-0-96-breakout-board-sh1101a-driver/

micro

freescale ksz24/25/26

sns resist:

http://www.mouser.com/ProductDetail/Ohmite/LVK12R010DER/?qs=sGAEpiMZZMtlleCFQhR%2fzSLc77HVEnhv2DNaRf6lglA%3d

opamp:

current sense, fixed at 80 gain: http://www.mouser.com/ProductDetail/Analog-Devices/AD8293G80ARJZ-R7/?qs=sGAEpiMZZMvEn2pkGav3bNYdL9E%2foSzJYdqf7Uk6kdc%3d that's a range of 0-4.125A with a shunt resistor of 0.010 Ohms. assuming 16-bit adc (on freescale kl25), ~15 bits per mA.

button:

http://www.mouser.com/Search/ProductDetail.aspx?R=1571621-1virtualkey50660000virtualkey506-1571621-1

usb connectors

Male A
Female A

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