Schematics
2019-01-21 19:04 D:\NOA\ZIO Boards\Z048 - Zio Qwiic Loudness Sensor (1)\EAGLE\Zio Qwiic Loudness Sensor.sch (Sheet: 1/1)
7.8V
Tiny85-20-SMT
GND
100nF ±10% 50V
+3V3
+3V3
10K ±1%
GND
GND
4.7K ±1%
4.7K ±1%
+3V3
GND
GND
3x2 M
RED
1.5K ±1%
GND
GND
10K ±1%
2.2K ±1%
820K ±1%
GND
100K ±1%
100nF ±10% 50V
GND
100pF ±10% 50V
TL072CDT
TL072CDT
220K ±1%
100K ±1%
GND
3.9K ±1%
3.6K ±1%
GND
SB6286
PRS4018-4R7MT
SS22
10uF ±10% 16V
GND
360K ±1%
30K ±1%
10uF ±10% 16V
GND
100nF ±10% 50V
+3V3
10uF ±10% 16V
10uF ±10% 16V
GREEN
1.5K ±1%
GND
VCC
8
~(MISO)1
6
(RESET/A0)5
1
GND
4
~(SDA/MOSI)0
5
(SCL/SCK/A1)2
7
(A3)3
2
~(A2)4
3
U1
C1
R6
GND
1
VCC
2
SDA
3
SCL
4
J2
JST-SH-4P-1.0
R4
R5
GND
1
VCC
2
SDA
3
SCL
4
J1
JST-SH-4P-1.0
1 2
3 4
5 6
ICSP1
D1
R2
+
+
-
-
MIC1
R8
R9
R10
R11
C7
TP8
C15
2
3
1
U3A
6
5
7
U3B
V+V-
84
U3P
R1
R15
R12
R13
SW
1
GND
2
FB
3
EN
4
VIN
5
NC
6
U2
L1
D2
C2 R3
R7
C3
TP9
C6
C4
C5
D5
R14
GNDGND
GND
LED
LED
RST
RST
SDA/MOSI
SDA/MOSI
SDA/MOSI
SDA/MOSI
SDA/MOSI
SCL/SCK
SCL/SCK
SCL/SCK
SCL/SCK
SCL/SCK
+3V3+3V3
+3V3
+3V3
MISO
MISO
SENSOR_PWR
SENSOR_PWR
IN-
IN+
SENSOR_ADC
SENSOR_ADC
A
B
C
D
1 2 3 4 5 6
A
B
C
D
1 2 3 4 5 6