Schematic

1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2011/12/27 Sheet of
File: E:\PCB\..\8 SEG LED Board.SchDoc Drawn By:
a f VCC2 g VCC4 bd
c VCC3 e VCC1 dot
Q2
NPN
Q3
NPN
Q4
NPN
Q1
NPN
R8
2K
R7
2K
R6
2K
R5
2K
R1
300R
R2
300R
R3
300R
R4
300R
VCC3V3
VCC1 VCC2 VCC3 VCC4
CNTL1 CNTL2 CNTL3 CNTL4
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
Header 10X2
Header 10X2
VCC3V3VCC3V3
GNDGND
a
b
c
d
e
f
g
dot
b
1
VCC4
2
g
3
Point
4
VCC2
5
f
6
VCC1
8
a
7
d
9
dot
10
e
11
VCC3
12
c
13
d
14
DS1
4BIT SMG
point
point
CNTL1
CNTL2
CNTL3
CNTL4
aveshare
W
waveshare_logo
CO
PIDS101 PIDS102PIDS103PIDS104PIDS105PIDS106PIDS107
PIDS108 PIDS109 PIDS1010 PIDS1011 PIDS1012 PIDS1013 PIDS1014
CODS1
PIHeader 10X201 PIHeader 10X202
PIHeader 10X203 PIHeader 10X204
PIHeader 10X205 PIHeader 10X206
PIHeader 10X207 PIHeader 10X208
PIHeader 10X209 PIHeader 10X2010
PIHeader 10X2011 PIHeader 10X2012
PIHeader 10X2013 PIHeader 10X2014
PIHeader 10X2015 PIHeader 10X2016
PIHeader 10X2017 PIHeader 10X2018
PIHeader 10X2019 PIHeader 10X2020
COHeader 10X2
PIQ101
PIQ102
PIQ103
COQ1
PIQ201
PIQ202
PIQ203
COQ2
PIQ301
PIQ302
PIQ303
COQ3
PIQ401
PIQ402
PIQ403
COQ4
PIR101
PIR102
COR1
PIR201
PIR202
COR2
PIR301
PIR302
COR3
PIR401
PIR402
COR4
PIR501
PIR502
COR5
PIR601
PIR602
COR6
PIR701
PIR702
COR7
PIR801
PIR802
COR8
PIDS107
PIHeader 10X206
NLa
PIDS101
PIHeader 10X208
NLb
PIDS1013
PIHeader 10X2010
NLc
PIHeader 10X205
PIR502
NLCNTL1
PIHeader 10X207
PIR602
NLCNTL2
PIHeader 10X209
PIR702
NLCNTL3
PIHeader 10X2011
PIR802
NLCNTL4
PIDS1014
PIHeader 10X2012
NLd
PIDS1010
PIHeader 10X2020
NLdot
PIDS1011
PIHeader 10X2014
NLe
PIDS106
PIHeader 10X2016
NLf
PIDS103
PIHeader 10X2018
NLg
PIHeader 10X203 PIHeader 10X204
NLGND
PIDS109
PIHeader 10X2015
PIHeader 10X2017
PIHeader 10X2019
PIQ101
PIR501
PIQ102
PIR101
PIQ201
PIR601
PIQ202
PIR201
PIQ301
PIR701
PIQ302
PIR301
PIQ401
PIR801
PIQ402
PIR401
PIDS104
PIHeader 10X2013
NLpoint
PIDS108
PIQ103
NLVCC1
PIDS105
PIQ203
NLVCC2
PIDS1012
PIQ303
NLVCC3
PIHeader 10X201 PIHeader 10X202
PIR102 PIR202 PIR302 PIR402
NLVCC3V3
PIDS102
PIQ403
NLVCC4