Week 10

 
In this week I chose a new voltage booster to relpace the old one and resdesign the new schematic of the circuit.
 
The new circuit will integrated with USB connection which is used for the connect with computer in the future development. At at the meanwhile, the power source is changed to dual input power source. That is one soucrce can from the I2C header we designed and the other is from the usb power. A PNP transistor is used to automatic switch the two resource to the board. Also the serieal communication which is used for  OLED is also implemented. That is the PIC can communicatie with OLEd through either the serial communication or 8080 parallel communication.
As a result, we have more options in configure the circuit and for the functionality test.
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