Quantity 	Supplier 	StockNumber 	Placement 	Description Notes 
1 RS 453-785 	slot1 	ISO	  Card Slot 16 Pin Trim off Plastic Tabs + sw connectors 
1 Maplins 	UJ03D 	xt1	  3.579MHZ Crystal Fit pins either way 
1 Maplins 	QL31J 	reg1	  L7805CV 5Volt Regulator Fit with heatsink towards Back edge 
1 Maplins 	NP03D 	led1 	  Red LED 5mm  Flat side of led facing up 
1 Maplins 	NP01B 	led3 	  Green LED 5mm Flat side of led facing down 
2 Maplins 	WX49D 	c3 	  27pf Caps Ceramic Fit pins either way 
1 Maplins 	WX56L 	c4 	  100pf Cap Ceramic Fit pins either way 
5 Maplins 	AT74R 	c5	  1uf 63Volts Caps Electrolytic Must fit +/- as shown in Diagram 
1 Maplins 	RK37S 	con3 	  DC Socket 2.1mm Socket Pin facing outwards 
2 Maplins 	BL18U 	dil4	  BLK 14 Pin Dil Sockets Fit both with notches facing backwards 
1 Maplins 	BL19V 	dil5 	  BLK 16 Pin Dil Sockets Fit with notches facing same as others 
2 Maplins 	M220 	r2   	  220ohms 0.6W Resistor Fit pins either way 
1 Maplins 	M2K2 	r3 	  2.2k 0.6W Resistor Fit pins either way 
1 Maplins 	M1M 	r4 	  1M 0.6W Resistor Fit pins either way 
1 Maplins 	M20K 	r6 	  20K 0.6W Resistor Fit pins either way 
1 Maplins 	QX76H 	ic1 	  SN7407N IC's Hex Buffer Line with notch in dil skt 
1 Maplins 	FD92A 	ic3 	  MAX232cpe IC RS232 T/R Line with notch in dil skt 
1 Maplins 	UB03D 	ic4 	  74HC04 IC Hex Inverter Line with notch in dil skt 
1 Maplins 	QL73Q 	d1 	  1N4001 Diodes Lines to face as per diagram 
