+- DISP 0 DISP 1 DISP 2 DISP 3
2
f
f GND
3
b
13
g
11
c
10
DP
9
d
8
b
g
e GND
6
7
c
d
e
1
D1
Vcc
2
D2
f
15
3
LT
g
14
4
BL
a
13
5
LE
b
12
6
D3
c
11
7
d
D0
DISP 0
1 2 3
8.
COMMO N CATHO DE a GND 14
a f
f GND
b
13
g
11
c
10
DP
9
d
8
b
g
10
6
7
e
Vss (GND)
8
E1-1100CHR1
16
33 F
a
9
e GND
c
d
e
1k6Ω
1k6Ω
1
D1
Vcc
16
2
D2
f
15
3
LT
g
14
4
BL
a
13
5
LE
b
12
6
D3
c
11
7
D0
d
10
e
9
8
E1-1100CHR1
Vss (GND)
DISP 1
1k6Ω 1k6Ω
3
OUT
1
GND
0.1 F
0.33 F
33 F
1k6Ω 1k6Ω
1k6Ω
1k6Ω GND
INP UT 12V DC
GND
GND
IN
1N4002
1k6Ω
1k6Ω
33 F
1k6Ω
2
8.
1k6Ω
COMMON CATHODE a GND 14
1
1N4002
1k6Ω
1k6Ω
-
i2c Serial Clock i2c Serial Data
+
5kΩ 5kΩ
6
5
4
3
2
1
GPB5
GPB4
GPB3
GPB2
GPB1
GPB0
18
GPB6
17
7
RESET
16
GPB7
ADDR2
15
VDD
11 NC
ADDR1
8
12 SCL
ADDR0
9
13 SDA
10 VSS
14 NC
5kΩ 5kΩ 5kΩ 5kΩ
Signal Ground
5kΩ 5kΩ
5kΩ
5kΩ GPA1
GPA2
GPA3
GPA4
GPA5
GPA6
GPA7
21
22
23
24
25
26
27
28
INTA 20
GPA0
INTB 19
5kΩ 5kΩ 5kΩ
5kΩ 5kΩ 5kΩ GND
33 F
1k6Ω
1k6Ω
2
3
8.
COMMON CATHODE a GND 14
a f
f GND
b
b
g
6 7
1k6Ω 1k6Ω
e GND e
g
11
c
10
DP
9
d
8
c
d
E1-1100CHR1
DISP 3
13
1 2
D1
Vcc
D2
f
16 15
3
LT
g
14
4
BL
a
13
5
LE
b
12
6
D3
c
11
7
D0
d
10
8
Vss (GND)
e
1 2
3
7
9
8.
COMMO N CATHO DE a GND 14
a f
f GND
b
e GND e
1k6Ω 1k6Ω
13
g
11
c
10
DP
9
d
8
c
d
E1-1100CHR1
DISP 2
1k6Ω
b
g
6
1k6Ω 1k6Ω
1
D1
Vcc
16
2
D2
f
15
3
LT
g
14
4
BL
a
13
5
LE
b
12
6
D3
c
11
7
D0
d
10
e
9
8
Vss (GND)
1k6Ω 1k6Ω 1k6Ω
Project: numbers
1
1k6Ω
33 F
1k6Ω
DRAWN BY SARRT DRAWING DATE 27-JAN-2017 DRAWING REVISION 11-FEB-2017 (E) CIRCUIT TEST DATE 19-FEB-2017 TESTED BY SARRT NOTES All Resistors ¼ watt unless otherwise specified.
GND
f
f GND
3
b
13
g
11
c
10
DP
9
d
8
b
g
e GND
6
7
c
d
e
1
D1
Vcc
2
D2
f
15
3
LT
g
14
4
BL
a
13
5
LE
b
12
6
D3
c
11
7
d
D0
DISP 0
1 2 3
8.
COMMO N CATHO DE a GND 14
a f
f GND
b
13
g
11
c
10
DP
9
d
8
b
g
10
6
7
e
Vss (GND)
8
E1-1100CHR1
16
33 F
a
9
e GND
c
d
e
1k6Ω
1k6Ω
1
D1
Vcc
16
2
D2
f
15
3
LT
g
14
4
BL
a
13
5
LE
b
12
6
D3
c
11
7
D0
d
10
e
9
8
E1-1100CHR1
Vss (GND)
DISP 1
1k6Ω 1k6Ω
3
OUT
1
GND
0.1 F
0.33 F
33 F
1k6Ω 1k6Ω
1k6Ω
1k6Ω GND
INP UT 12V DC
GND
GND
IN
1N4002
1k6Ω
1k6Ω
33 F
1k6Ω
2
8.
1k6Ω
COMMON CATHODE a GND 14
1
1N4002
1k6Ω
1k6Ω
-
i2c Serial Clock i2c Serial Data
+
5kΩ 5kΩ
6
5
4
3
2
1
GPB5
GPB4
GPB3
GPB2
GPB1
GPB0
18
GPB6
17
7
RESET
16
GPB7
ADDR2
15
VDD
11 NC
ADDR1
8
12 SCL
ADDR0
9
13 SDA
10 VSS
14 NC
5kΩ 5kΩ 5kΩ 5kΩ
Signal Ground
5kΩ 5kΩ
5kΩ
5kΩ GPA1
GPA2
GPA3
GPA4
GPA5
GPA6
GPA7
21
22
23
24
25
26
27
28
INTA 20
GPA0
INTB 19
5kΩ 5kΩ 5kΩ
5kΩ 5kΩ 5kΩ GND
33 F
1k6Ω
1k6Ω
2
3
8.
COMMON CATHODE a GND 14
a f
f GND
b
b
g
6 7
1k6Ω 1k6Ω
e GND e
g
11
c
10
DP
9
d
8
c
d
E1-1100CHR1
DISP 3
13
1 2
D1
Vcc
D2
f
16 15
3
LT
g
14
4
BL
a
13
5
LE
b
12
6
D3
c
11
7
D0
d
10
8
Vss (GND)
e
1 2
3
7
9
8.
COMMO N CATHO DE a GND 14
a f
f GND
b
e GND e
1k6Ω 1k6Ω
13
g
11
c
10
DP
9
d
8
c
d
E1-1100CHR1
DISP 2
1k6Ω
b
g
6
1k6Ω 1k6Ω
1
D1
Vcc
16
2
D2
f
15
3
LT
g
14
4
BL
a
13
5
LE
b
12
6
D3
c
11
7
D0
d
10
e
9
8
Vss (GND)
1k6Ω 1k6Ω 1k6Ω
Project: numbers
1
1k6Ω
33 F
1k6Ω
DRAWN BY SARRT DRAWING DATE 27-JAN-2017 DRAWING REVISION 11-FEB-2017 (E) CIRCUIT TEST DATE 19-FEB-2017 TESTED BY SARRT NOTES All Resistors ¼ watt unless otherwise specified.
GND
