Plus

NE035

TERMOMETR CYFROWY -20

°°°°

C ÷ +99

°°°°

C LED/ICL7107 -

schematy

NE035

+

+

7805

US2

4049

US4 7107

C1

C4

C6

C8

C9

C10

D1

D2

IN

O

U

T

G

N

D

ZW

ZW

R6

0

0

1

0

C7

+

+

US3

081

R1

R2

P1

P2

R3

R4

R5

C2

C3

C5

K

A

US1

G

N

D

+

U

C

NE035T

D103

D

10

2

D

10

1

R

10

1

DS103

DS102

DS101

PIN_8

1BC

-

2C

2B

2A

2D

D

E

F

D

IS

P

10

1

D103

K

SENSOR

A

2G

2F

2E

3A

TEST

C

DP

G

B

A

D

IS

P

10

2

3B

3C

3D

3E

3F

CD4049

3G

4A

4B

4C

D

P D

IS

P

10

3

PIN_1

6/6 US2

0

4D

4E

4F

4G

GND

100

0

+Ucc

1

26 V

DD

3G

3G

25

2C

+

32 COMMON

2G
2A
2C

-

22

24

23

-
2G
2A

20

R

10

1

+

D1

C5

35 REF_LO

2E

1BC

2F

18
19

2F
2E

17

2B

A

B

D

C

C

O

M

D2

R3

R4

21 GND

3E

2B

2D

3F

15
16

3E
2D

14

3F

F

E

G

C4

2 IN-

Vdd

4

D3

3B
3A

3C

11
12
13

3C
3B
3A

10

3D

B

A

C

D

E

C

O

M

3

IN+

7

Vcc

US3
uA741

OUT

6

30 IN_LO

3D

4E

4F
4G

8
9

4G
4E

7

4F

F

G

A

B

C

O

M

C9

31 IN_HI

4B
4A

4C

4

6

5

4C
4B
4A

3

4D

D

C

E

F

G

4D

INT

2

27

C10

P2

36

REF_HI

A/Z

BUFF

C_REF

28

C6

29

R6

+ C1

+ C2

C3

P1

37 LT

C_REF

OSC_3

34

33

C8

38

C7

D102

COM

R1

R2

1 V

CC

US4

ICL7107

OSC_1

OSC_2

40

39

R5

D101

IN

uA7805

US1

OUT