Circuit
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V3 5V +V
V5 5V +V
V4 5V +V
1
U1 74LS192
CPU CPD PL MR D3 D2 D1 D0
U2 74LS138 74LS138
TCU TCD Q3 Q2 Q1 Q0
A2 A1 A0
V2 5 +V
E3 E2 E1
Q7 Q6 Q5 Q4 Q3 Q2 Q1 Q0
3
sensor1
V6 5 +V
2
relay1
V7 5V +V
relay3
relay2
V8 5V +V U5 74LS192
CPU CPD PL MR D3 D2 D1 D0
V1 5V +V
sensor3
sensor2
TCU TCD Q3 Q2 Q1 Q0
Transmitter to PC
U9 74LS138 74LS138 A2 A1 A0 E3 E2 E1
Q7 Q6 Q5 Q4 Q3 Q2 Q1 Q0
sensor5
sensor4
4 relay5
relay4
V5 5V +V
V4 5V +V
1
U1 74LS192
CPU CPD PL MR D3 D2 D1 D0
U2 74LS138 74LS138
TCU TCD Q3 Q2 Q1 Q0
A2 A1 A0
V2 5 +V
E3 E2 E1
Q7 Q6 Q5 Q4 Q3 Q2 Q1 Q0
3
sensor1
V6 5 +V
2
relay1
V7 5V +V
relay3
relay2
V8 5V +V U5 74LS192
CPU CPD PL MR D3 D2 D1 D0
V1 5V +V
sensor3
sensor2
TCU TCD Q3 Q2 Q1 Q0
Transmitter to PC
U9 74LS138 74LS138 A2 A1 A0 E3 E2 E1
Q7 Q6 Q5 Q4 Q3 Q2 Q1 Q0
sensor5
sensor4
4 relay5
relay4
