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PC-Based Timer

PC-Based Timer

14

18

25

13

1

2

4

2

IC1

5

1

R3

47Ω

25-PIN

PARALLEL

PORT

R2

220Ω

R1

220Ω

LED1

D1

1N4001

6V

N/O

N/C

LOAD

230V AC

50HZ

L

N

R4

33Ω

T1

BC548

= PC GROUND

= CIRCUIT GROUND

RL1 = 6V, 100Ω

1C/O RELAY

IC1 = MCT2E

RL1

PC-Based Timer

2
1
0
publish time: 2020-09-22
Kiraaaa

Timers are very useful for industrial applications and household appliances. This is a PC-based timer that can be used to control electrical appliances for up to 18 hours. The timer uses a simple program and interface circuit. It is extremely convenient for those who have a PC in the workplace or at home.

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