Schematics

IIC TO GPIO
A0 A1 A2 NC
v1.0 Initial Release 2020.12.09 Ziray
REV Description DATE BY
s9013
s9013
s9013
s9013
LL4148
LL4148
LL4148
LL4148
15R
15R
15R
15R
3.9k
10k
3.9k
10k
3.9k
10k
3.9k
10k
Red
1k
Red
1k
Red
1kRed
1k
320110047-Screw Terminal
320110047-Screw Terminal
320110047-Screw Terminal
320110047-Screw Terminal
PCAL9535A
ON 1 2 3 4
KIQ
SMD Switches Top-4bit;8P-L11.8*W6.8*H3.3mm
10k 10k 10k 10k 10k
10uF
100nF
100nF
10uF
10uF 10uF
10uF
10uF
100nF
33pF 33pF
100nF
Q1
Q2
Q3
Q4
D1
D2
D4
D3
R1
V+
2
V-
3
NO
4
NC
5
COM
1
RELAY2
V+
2
V-
3
NO
4
NC
5
COM
1
RELAY1
V+
2
V-
3
NO
4
NC
5
COM
1
RELAY3
V+
2
V-
3
NO
4
NC
5
COM
1
RELAY4
R4
R7
R10
R2
R3
R5
R6
R8
R9
R11
R12
LED1
R13
LED2
R14
LED3
R15LED4
R16
1
2
3
CHANNEL1
1
2
3
CHANNEL2
1
2
3
CHANNEL3
1
2
3
CHANNEL4
3.3V
1
5V
2
GPIO02
3
5V
4
GPIO03
5
GND
6
GPIO04
7
GPIO14
8
GND
9
GPIO15
10
GPIO17
11
GPIO18
12
GPIO27
13
GND
14
GPIO22
15
GPIO23
16
3.3V
17
GPIO24
18
GPIO10
19
GND
20
GPIO09
21
GPIO25
22
GPIO11
23
GPIO08
24
GND
25
GPIO07
26
ID_SD
27
ID_SC
28
GPIO05
29
GND
30
GPIO06
31
GPIO12
32
GPIO13
33
GND
34
GPIO19
35
GPIO16
36
GPIO26
37
GPIO20
38
GND
39
GPIO21
40
J1
P0_0
1
P0_1
2
P0_2
3
P0_3
4
P0_4
5
P0_5
6
P0_6
7
P0_7
8
VSS
9
P1_0
10
P1_1
11
P1_2
12
P1_3
13
P1_4
14
P1_5
15
P1_6
16
P1_7
17
A0
18
SCL
19
SDA
20
VDD
21
INT
22
A1
23
A2
24
PAD
E
U1
SW1
R17 R18 R19 R20 R21
C2
C3
C5 C6
C7 C8
C9
C10
C1
C4
C15
C11
COM1 COM1
COM2 COM2
COM3 COM3
COM4 COM4
GND
GND
GND
NO1
NO1
NO2
NO2
NO3
NO3
NO4
NO4
RELAY1
RELAY1
RELAY2
RELAY2
RELAY3
RELAY3
RELAY4
RELAY4
RELAY4
5V
5V
5V
5V
5V
5V
5V
5V
NC1
NC1
NC2
NC2
NC3
NC3
NC4
NC4
SDA
SDA
SDA
SCL
SCL
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
Ziray
v1.0
2020.12.09
Ziray
2020.12.09 v1.0
v1.0
Ziray
2020.12.09
Seeed Studio
TITLE:
Design: Check:
Date: Vision:
A
B
C
D
1 2 3 4 5 6
A
B
C
D
1 2 3 4 5 6
CC-BY-SA
Seeed Studio
TITLE:
Design: Check:
Date: Vision:
A
B
C
D
1 2 3 4 5 6
A
B
C
D
1 2 3 4 5 6
CC-BY-SA
Seeed Studio
TITLE:
Design: Check:
Date: Vision:
A
B
C
D
1 2 3 4 5 6
A
B
C
D
1 2 3 4 5 6
CC-BY-SA