See a part that is unfamiliar? Chances are we had no clue as to what it did either. Thus we did what any respectable engineer would do and found data sheets. The following are data sheets for any component or widget we used.
MAX660 - Voltage Doubler IC
microModule 8051 - 8 Bit Microcontroller
ZVN4206A - N Channel Enhancement Mosfet
L293 - Quad Half H Bridge
VL Lithium - Panasonic Lithium Battery (charging circuits)
LP2952 - Low Dropout Voltage Regulator
TLV2543 - 11 Channel 12 Bit Serial A/D