Pay
Versatile LED Display

Versatile LED Display

7

4

3

2

6

1

5

8

IC1

NE555

O/P

GND

Vcc

RESET

+

IC3

2716

17

1

2

3

6

7

8

4

5

24

21

12

18

19

22

23

20

16

15

14

13

11

10

9

A7

A6

A5

A4

A3

A2

A1

A0

IC2

CD4040

11

3

14

12

13

6

7

9

16

4

2

8

Q9

Q8

Q7

Q6

Q5

Q2

Q1

Q0

VR1

10K

R1

1K

R2

3.3K

C1

47μ

16V

C2

0.01μ

T8

T7

T6

T5

T4

T3

T2

T1

R3

150Ω

R4

150Ω

R5

150Ω

R6

150Ω

T1-T6 = BC547

LED1-LED4 = BI COLOUR LED

+5V

CLK

GND

LED1

LED2

LED3

LED4

GND

D0

D1

D2

D3

D4

D5

D6

D7

Versatile LED Display

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

This circuit uses Erasable Programmable Read-Only Memory (EPROM) to display patterns on various light LEDs. Due to the use of two-color LEDs (including green and red LEDs), it can be displayed in three colors (green, red and amber).

See More Related Templates