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Schematic

Layout

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R12
Resistance
1kΩ
U7
Manufacturer Part Number
PCA9685PW,118
R14
Resistance
10kΩ
R9
Resistance
4.7kΩ
R11
Resistance
1kΩ
R8
Resistance
4.7kΩ
R13
Resistance
10kΩ
R6
Resistance
33.2KΩ
R7
Resistance
10kΩ
PWM1
PWM15
PWM13
PWM2
PWM5
PWM0
PWM9
PWM10
PWM6
USB_D-
SDA
PWM7
PWM11
USB_D+
DTS
USB_D-
ESP_TX
PWM12
ESP_IO0
RST
SCL
PWM3
ESP_RX
PWM8
ESP_EN
USB_D+
PWM14
PWM4
R10
Resistance
10kΩ
VUSB
VUSB
+3V3
+3V3
+3V3
C6
Capacitance
=10uF
U4
Manufacturer Part Number
USB4110-GF-A
+3V3
C8
Capacitance
0.1uF
+3V3
C3
Capacitance
22uF
+3V3
+3V3
+3V3
C1
Capacitance
0.1uF
C2
Capacitance
10uF
+3V3
L1
Inductance
=2.2uH
U5
Manufacturer Part Number
ADS1115IDGSR
Q1
Q2
U6
Manufacturer Part Number
CP2102N-A02-GQFN28

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