Component list.

C1, C2			27p  ceramic 	
C3, C10, C11, C16	100n ceramic 		
C4			1uF ceramc 	
C5			470n ceramic
C6			20u electro
C7, C8, C15		10u electro / tantalum	
C9			tank capacitor 22u tantalum 
                            (strongly recommended) 		
C12			10u Low ESR ceramic (critical) 	1206  	Murata GRM31CR71A106KA01l	
D1			IN4004 	(not smd)			
D2			LED green smd / 3mm			
R0			10R	
R1, R4			10k     			
R2, R5			470R    			
R3			390R				
R7			6.2k				
R8, R9			4.3k    			

IC1     		PIC32MX170B 50MHz 		sdip 28 pin	
IC2			MCP2200				soic 
VR1			UA78M05	 5v regulator		
VR2			TC1262-3.3  LDO 3.3v regulator   	Microchip TC1262-3.3VDBTR

X1			12MHz crystal			

ST1			USB Mini B socket
ST2     		28 pin sdip socket		
ST3     		Power terminal block	
	

Optional depending on requirements.

Analog input filtering/clipping
C13,14			eg 0.01u			
R6PA,B			eg 390R				
D3PA/B, D4PA/B		eg BAT85			

USB power
L1      		ferrite bead choke and/or diode	
SPH1,2			2-pin shunt pin headers

R10			100k (opt)       ( to keep serial line high, 
                          		 hasn't been needed so far )