Datasheet
Air quality 4 click schematic v100
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MikroElektronika assumes no responsibility or liability for any errors or inaccuracies that may appear in the present document.
Specification and information contained in the present schematic are subject to change at any time without notice.
Copyright©2017 MikroElektronika. All rights reserved.
VCC-3V3VCC
AN
RST
CS
SCK
MOSI
MISO
+3.3V
GND
PWM
INT
RX
TX
SCL
SDA
+5V
GND
MIKROBUS DEVICE CONN
PWR
R1
1k
VCC-1.8V VCC-1.8V
C3
0.10µF
SDA1
4
SCL1
3
VREF1
2
GND
1
EN
8
VREF2
7
SCL2
6
SDA2
5
U3
PCA9306
1
2
3
JP1
VCC SEL
VCC-5V
VCC-3V3VCC-5V VCC
1
2
3
IN
GND
OUT
5
4
EN ADJ
U2
SPX3819M5
VCC
R3
22k
R2
11k
C2
10µF
SDA
SCL
VCC VCC VCC
R6
200k
C4
0.10µF
SDA1
SCL1
R4
4.7k
R5
4.7k
R8
4.7k
R7
4.7k
SDA
SCL
SDA1
SCL1
VCC-1.8VVCC-1.8VVCC-1.8V
VCC-1.8V
C1
1u
GND
7
SCL
6
VDDH
5
R
4
SDA
3
VSS
2
VDD
1
U1
SGP30
LD1