Slot Car Race Computer - Component Schedule



Parts List (and Maplin part codes)
Parts List

Resistors

R1		33k	1	M33K
R3,4,26		10k	3	M10K
R2		470	1	M470R
R5,6,7		2k2	3	M2K2
R8		330k	1	M330K
R9,17,20,22	220k	4	M220K
R10,11,12,13,14	220	5	M220R
R15		68	1	M68R
R16,18,21	1m0	3	M1M0
R19		47k	1	M47K
R23,24,25	470k	3	M470K
R27		10	1	M10R

VR1		1k	1	WR40T


Capacitors

C1,3,5,8,9,10,14  0.1uF  63v	7	DT98G
C2,4		47uF 25v	2	AT47B
C6,7		12pF		2	WX45Y
C11		1uF 63v		1	AT74R
C12		3n3		1	WX74R
C13		2n2		1	WX72P
C15		0.047uF  63v	1	DT97F
C16		220uF 10v	1	AT31J
C17		10uF 63v	1	AT77J


Semiconductors

D1,2		1N4148		2	QL80B
D3,4,5,6,7	LED red		5	WL84F
D8,9		LED green	2	CK40T

IC1		LM2940CT	1	AV22Y
IC2	Pre-programmed PIC	1	*
IC3		74HCT574	1	AE30H
IC4		NE556N		1	QH67X
IC5		LM386N-1	1	UJ37S

TR1,2		IR Rx		2	CH11M
TR3,4		BC549		2	QQ15R
TR5		BC559		1	QQ18U


Miscellaneous

X1	3.2768MHz crystal	1	FY86T

	IC socket		1	FJ66W

	Heat sink		1	FG52G

	LED clip			7	UK15R

	Enclosure		1	BZ74R

	16 x 2 Display LED	1	NT57M
or	16 x 2 Display reflective	1	NT56L

	Speaker			1	VC85G

SW1	Digital potentiometer	1	*
SW2	Sub Min Push red		1	JM47B
	3mm knob		1	JZ86T

	3.5mm plug		1	HF98G

SKT1	PCB 2.5mm pwr		1	FK06G
SKT2	3.5mm sw skt		1	JM22Y

	Ribbon cable		2	XR74R

	PCB			1	*

	M2.5 12mm CS bolts	1	BF40T
	M2.5 nuts		1	JD62S

Optional items:
	Power supply		1	MG78K
	Battery holder		1	HF94C
	Battery lead		1	HF28F

*	Available from author.




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