LDO电压转换芯片（MC33269ST-5.0T3/MC33269D-5.0）：
http://www.onsemi.cn/PowerSolutions/product.do?id=MC33269
http://www.onsemi.cn/PowerSolutions/product.do?id=MC33269
LDO电压转换芯片（LP2985-33DBVR）：
http://focus.ti.com/docs/prod/folders/print/lp2985-33.html
运算放大器芯片（LM358）:
http://www.st.com/internet/analog/product/63721.jsp
MCU芯片（ATMEGA2560-16AU）：
http://www.atmel.com/dyn/products/product_card.asp?part_id=3632
USB转串口芯片（ATMEGA8U2-MU）：
http://www.atmel.com/dyn/products/product_card.asp?part_id=4600