Schematic

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D D
C C
B B
A A
HCHO Sensor
roker-CD
V1.0
2016/12/9
18:14:12
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SKU:
SEN0231
Vin
15
GND
14
GND
5
UART_TX
8
UART_RX
7
DAC
10
ZE08 HCHO Sensor
U1
S
1
+
2
--
3
Gravity 3P Interface
P1
GND
2
3
1
Switch: UART or DAC
S1
VCC
GND
S
4.7K
R1
4.7uF
C1
GND
100nF
C2
4.7K
R2
PIC101
PIC102
COC1
PIC201
PIC202
COC2
PIP101
PIP102
PIP103
COP1
PIR101 PIR102
COR1
PIR201
PIR202
COR2
PIS101
PIS102
PIS103
COS1
PIU105
PIU107
PIU108
PIU1010
PIU1014
PIU1015
COU1
PIC102 PIC202
PIP103
PIU105 PIU1014
NLGND
PIR101 PIS101 PIR102
PIU108
PIR201
PIS103
PIR202
PIU1010 PIU107
PIP101
PIS102
NLS
PIC101 PIC201
PIP102 PIU1015
NLVCC