Board 24 holes by 34 holes (Overall size 65 mm * 95 mm
Matrix A to X (Vertical) * 1 to 34 (Horizontal)
Bottom left is A1, Top Right is X34 From component side.
From copper side A1 is bottom right X34 is top left
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Etch cuts
E24, E25, E26, E27
H2, H5, H6, H7, H8, H9, H10, H11, H12, H13
I22, I25
J23, J26, J27
K2,K3,K6, K15, K16, K17, K18
L5
N11
O2, O7, O12, O32
P17, P18
Q4, Q14, Q15, Q16, Q19, Q20, Q21
R13, R22
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Resistors
10K C8 to C15 (Horizontal)
10K D15 to D16 (Vert.)
10K E1 to E7 (Horizontal), 180R E12 to E21 (Horizontal)
470R F22 to F23 (Vert.), 270R F28 to F33 (Horizontal)
10K G23 to G24 (Vert.), 470K G25 to G27 (Vert.)
****** For Alegro ATS642LSHTN-I1 Hall gear sensor 100R G28 to G32 (Horizontal)
****** For Alegro ATS665LSG do not fit a resistor between G28 and G32
****** For Maplin Opto 47K G28 to G32 (Horizontal)
3K3 H27 to H32 (Horizontal)
2K2 J2 to J6 (Horizontal)
180R M11 to M15 (Horizontal)
2K2 N2 to N5 (Vert.), 180R N12 to N16 (Horizontal)
180R O14 to O18 (Horizontal)
180R P10 to P19 (Horizontal)
180R Q13 to Q17 (Horizontal), 180R Q18 to Q22 (Horizontal)
2K2 R11 to R15 (Horizontal), 2K2 R21 to R25 (Horizontal)
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Capacitors
100nF F1 to F2
100nF I26 to I28
22pF L6 to L7
100nF M23 to M24
22pF S6 to S7, 100uF S31 (-) to S32 (+)
100uF V30 (+) to V31 (-)
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Bare wire links
A18 to A27
B9 to B18, B27 to B31
D4 to D9, D11 to D14
G2 to G4
H23 to H25
J9 to J15
L23 to L28
M4 to M6
R7 to R8
S14 to S22
T1 to T9, T24 to T30
U9 to U14, U22 to U24
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Sockets for IC's and display
18 pin socket F5 (Pin 1) to F13 and I5 to I13
8 pin socket C24 (Pin 1) to C27 and F24 to F27
Socket strip for display
Strip of 7 pins L15 to L21
Strip of 5 pins R16 to R20
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BC557 transistors
1 (Emitter) I2 (Base) I3 (Collector)
M1 (Emitter) M2 (Base) M3 (Collector)
T14 (Emitter) T15 (Base) T16 (Collector)
T20 (Collector) T21 (Base) T22 (Emitter)
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Misc
7805 voltage regulator
Q30 (Output) Q31 (Ground) Q32 (Input) See picture of board for Orientation
Crystal N7 to P7 10K
Preset F17, J16, J18
LED H22 to J24 (Flat on LED must go to H22)
Push button U4, U6, W4, W6 NOTE MUST BE POSITIONED WITH THE PINS COMING OUT OF TOP AND BOTTOM EDGES .(NOT THE SIDES)
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Insulated wire links
A13 to C23
C5 to O5
C6 to T11
C7 to S4
D17 to H26
E10 to J22
H3 to J20
K5 to J25
S3 to T19
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Join points C25,C26,C27,C28 on the copper side with blobs of solder. (Or solder a short length of wire across these points.) ----------------------------------------------------------------------
Matrix A to X (Vertical) * 1 to 34 (Horizontal)
Bottom left is A1, Top Right is X34 From component side.
From copper side A1 is bottom right X34 is top left
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Etch cuts
E24, E25, E26, E27
H2, H5, H6, H7, H8, H9, H10, H11, H12, H13
I22, I25
J23, J26, J27
K2,K3,K6, K15, K16, K17, K18
L5
N11
O2, O7, O12, O32
P17, P18
Q4, Q14, Q15, Q16, Q19, Q20, Q21
R13, R22
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Resistors
10K C8 to C15 (Horizontal)
10K D15 to D16 (Vert.)
10K E1 to E7 (Horizontal), 180R E12 to E21 (Horizontal)
470R F22 to F23 (Vert.), 270R F28 to F33 (Horizontal)
10K G23 to G24 (Vert.), 470K G25 to G27 (Vert.)
****** For Alegro ATS642LSHTN-I1 Hall gear sensor 100R G28 to G32 (Horizontal)
****** For Alegro ATS665LSG do not fit a resistor between G28 and G32
****** For Maplin Opto 47K G28 to G32 (Horizontal)
3K3 H27 to H32 (Horizontal)
2K2 J2 to J6 (Horizontal)
180R M11 to M15 (Horizontal)
2K2 N2 to N5 (Vert.), 180R N12 to N16 (Horizontal)
180R O14 to O18 (Horizontal)
180R P10 to P19 (Horizontal)
180R Q13 to Q17 (Horizontal), 180R Q18 to Q22 (Horizontal)
2K2 R11 to R15 (Horizontal), 2K2 R21 to R25 (Horizontal)
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Capacitors
100nF F1 to F2
100nF I26 to I28
22pF L6 to L7
100nF M23 to M24
22pF S6 to S7, 100uF S31 (-) to S32 (+)
100uF V30 (+) to V31 (-)
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Bare wire links
A18 to A27
B9 to B18, B27 to B31
D4 to D9, D11 to D14
G2 to G4
H23 to H25
J9 to J15
L23 to L28
M4 to M6
R7 to R8
S14 to S22
T1 to T9, T24 to T30
U9 to U14, U22 to U24
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Sockets for IC's and display
18 pin socket F5 (Pin 1) to F13 and I5 to I13
8 pin socket C24 (Pin 1) to C27 and F24 to F27
Socket strip for display
Strip of 7 pins L15 to L21
Strip of 5 pins R16 to R20
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BC557 transistors
1 (Emitter) I2 (Base) I3 (Collector)
M1 (Emitter) M2 (Base) M3 (Collector)
T14 (Emitter) T15 (Base) T16 (Collector)
T20 (Collector) T21 (Base) T22 (Emitter)
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Misc
7805 voltage regulator
Q30 (Output) Q31 (Ground) Q32 (Input) See picture of board for Orientation
Crystal N7 to P7 10K
Preset F17, J16, J18
LED H22 to J24 (Flat on LED must go to H22)
Push button U4, U6, W4, W6 NOTE MUST BE POSITIONED WITH THE PINS COMING OUT OF TOP AND BOTTOM EDGES .(NOT THE SIDES)
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Insulated wire links
A13 to C23
C5 to O5
C6 to T11
C7 to S4
D17 to H26
E10 to J22
H3 to J20
K5 to J25
S3 to T19
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Join points C25,C26,C27,C28 on the copper side with blobs of solder. (Or solder a short length of wire across these points.) ----------------------------------------------------------------------