Schematics
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C C
B B
A A
SEN0377
Gravity: MEMS Gas Sensor - MiCS-4514
HDJ-CD
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Revision:
1 of 1
V1.0
2021/6/21
15:20:02
A4
1
2
3
4
P1
VCC
SCL
SDA
GND
T6
T5
T3
FD1
MH2MH1
FD2
RST
1
PA1
2
PA2
3
VSS
4
VCAP
5
VDD
6
PA3
7
PB5/SDA
8
PB4/SCL
9
PC3
10
PC4
11
PC5
12
PC6
13
PC7
14
PD1
15
PD2
16
PD3
17
PD4
18
UART1_TX
19
UART1_RX
20
U3
1
3 2
2N7002
Q1
1
3 2
2N7002 Q2
100nF
C6
3V
3V
3V
GND
100nF
C8
1uF
C7
3V
VCC
GND GND
4.7uF
C1
4.7uF
C2
100nF
C10
SW
1
GND
2
FB
3
EN
4
IN
5
NC
6
U2
4.7uHL1
22uF
C3
12.4K
R5
91K
R3
22uF
C4
GND
5VD2
GND
T7
SWIM
T1
RST
MH4
MH3
1
2
4
3
1 0
J1
GND
A0
A1
T4
VIN VOUT
GND
U1
GND
10R
R1
3V
MiCS-4514
RH2_RED
F
RH1_RED
C
RS1_RED
D
RS1_OX
B
RH1_OX
A
NC
E
RS2_RED
G
NC
K
RS2_OX
J
RH2_OX
H
C9
51R
R15
82R
R12
82R
R17
820R
R16
1
32
2N7002
Q3
GND
PH_NOX
D3
ADC_OX
ADC_RED
100nF
C11
100nF
C13
GND
100nF
C12
91K
R19
12.4K
R4
12.4K
R2
ADC_2V5
T2
D1
100nF
C5
12.4K
R7
12.4K
R8
12.4K
R9
12.4K
R10
12.4K
R6
PH_NOX
12.4K
R20
A
2
3
1
84
U4A
B
6
5
7
U4B
GND
5V
12.4K
R18
12.4K
R14
GND
12.4K
R22
12.4K
R21
GND
SI2301
Q4
SP_EN
GND
12.4K
R11D4
SP_EN
1
32
2N7002
Q5
D5
12.4K
R13
GND
5V
PIC101
PIC102
COC1
PIC201
PIC202
COC2
PIC301
PIC302
COC3
PIC401
PIC402
COC4
PIC501
PIC502
COC5
PIC601
PIC602
COC6
PIC701
PIC702
COC7
PIC801
PIC802
COC8
PIC90A
PIC90B
PIC90C
PIC90D
PIC90E
PIC90F
PIC90G
PIC90H
PIC90J
PIC90K
COC9
PIC1001
PIC1002
COC10
PIC1101
PIC1102
COC11
PIC1201
PIC1202
COC12
PIC1301
PIC1302
COC13
PID101
PID102
COD1
PID201
PID202
COD2
PID301
PID302
COD3
PID401
PID402
COD4
PID501
PID502
COD5
COFD1
COFD2
PIJ101
PIJ102
PIJ103
PIJ104
COJ1
PIL101
PIL102
COL1
COMH1
COMH2
COMH3
COMH4
PIP101
PIP102
PIP103
PIP104
COP1
PIQ101
PIQ102
PIQ103
COQ1
PIQ201
PIQ202
PIQ203
COQ2
PIQ301
PIQ302
PIQ303
COQ3
PIQ401
PIQ402
PIQ403
COQ4
PIQ501
PIQ502
PIQ503
COQ5
PIR101
PIR102
COR1
PIR201
PIR202
COR2
PIR301
PIR302
COR3
PIR401
PIR402
COR4
PIR501
PIR502
COR5
PIR601
PIR602
COR6
PIR701
PIR702
COR7
PIR801
PIR802
COR8
PIR901
PIR902
COR9
PIR1001
PIR1002
COR10
PIR1101
PIR1102
COR11
PIR1201
PIR1202
COR12
PIR1301
PIR1302
COR13
PIR1401
PIR1402
COR14
PIR1501
PIR1502
COR15
PIR1601
PIR1602
COR16
PIR1701
PIR1702
COR17
PIR1801
PIR1802
COR18
PIR1901
PIR1902
COR19
PIR2001
PIR2002
COR20
PIR2101
PIR2102
COR21
PIR2201
PIR2202
COR22
PIT101
COT1
PIT201
COT2
PIT301
COT3
PIT401
COT4
PIT501
COT5
PIT601
COT6
PIT701
COT7
PIU101
PIU102
PIU103
COU1
PIU201
PIU202
PIU203
PIU204
PIU205
PIU206
COU2
PIU301
PIU302
PIU303
PIU304
PIU305
PIU306
PIU307
PIU308
PIU309
PIU3010
PIU3011
PIU3012
PIU3013
PIU3014
PIU3015
PIU3016
PIU3017
PIU3018
PIU3019
PIU3020
COU3
PIU401
PIU402
PIU403
PIU404
PIU408
COU4A
PIU405
PIU406
PIU407
COU4B
PIC202
PIC801
PIQ101
PIQ201
PIR602
PIR702
PIR1002
PIU102
PIU306
PIC302
PIC90F
PIC90G
PIC90H
PIC90J
PIC1001
PIC1301
PID202
PIR202
PIR302
PIU408
PIJ104
PIU3013
NLA0
PIJ103
PIU3014
NLA1
PIC502
PIR201
PIR402
PIU3020
NLADC02V5
PIR1401
PIR1802
PIU3016
NLADC0OX
PIR2101
PIR2202
PIU3017
NLADC0RED
PIC101
PIC201
PIC301
PIC401
PIC501
PIC601
PIC702
PIC802
PIC1002
PIC1102
PIC1202
PIC1302
PID301
PID501
PIJ101
PIJ102
PIP103
PIQ302
PIQ502
PIR401
PIR501
PIR1301
PIR1502
PIR1601
PIR1702
PIR1801
PIR1901
PIR2001
PIR2201
PIT401
PIU101
PIU202
PIU304
PIU404
PIC402
PIL101
PIR101
PIU204
PIU205
PIC701
PIU305
PIC90A
PIR1201
PIC90B
PIC1101
PIR1602
PIU403
PIC90C
PIR1701
PIC90D
PIC1201
PIR1902
PIU405
PIC90E
PIC90K
PID102
PID402
PIQ402
PIR1102
PID201
PIL102
PIU201
PID401
PIQ401
PIQ503
PIR1101
PIQ102
PIR601
PIU309
PIQ202
PIR1001
PIU308
PIQ303
PIR1202
PIR1501
PIQ403
PIR102
PIR301
PIR502
PIU203
PIR1402
PIU401
PIU402
PIR2102
PIU406
PIU407
PIT201
PIU3019
PIU206
PIU302
PIU303
PIU307
PIU3010
PIU3018
PID302
PIQ301
PIR2002
PIU3012
NLPH0NOX
PIC602
PIR701
PIT101
PIU301
NLRST
PIP102
PIQ103
PIR801
PIT501
NLSCL
PIP101
PIQ203
PIR901
PIT601
NLSDA
PID502
PIQ501
PIR1302
PIU3011
NLSP0EN
PIT701
PIU3015
NLSWIM
PIC102
PID101
PIP104
PIR802
PIR902
PIT301
PIU103