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hasofukirsch

@calculator calculate preferred, minimum recommended and maximum trace widths for this design
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Schematic

Layout

3D View

Module4
Voltage Regulator Current Limit Module 3.3V Out
Module3
Voltage Regulator SMPS 3.3V Out
Module9
LoRaWAN Module
Module7
Microphone Module
Module6
External Flash Module
U1
Module5
SD Card Module
Module2
Power Source Selector Module
Module1
Crystal Oscillator (12 MHz) Module
Module8
Temperature Sensor Module
R7
Resistance
27.4 Ω
R8
Resistance
27.4 Ω
J3
R19
Resistance
1.5kΩ
LED1
Color
Green
C10
Capacitance
0.1µF
STORAGE & FLASH
C12
Capacitance
0.1µF
C13
Capacitance
0.1µF
POWER INPUT
POWER SELECTION
C6
Capacitance
0.1µF
C8
Capacitance
0.1µF
R15
Resistance
50 Ω
C2
Capacitance
0.1µF
INPUT CIRCUITS
OUTPUT CIRCUITS
MECHANICAL
SOLAR
C4
Capacitance
0.1µF
C7
Capacitance
0.1µF
DECOUPLING CAPACITORS 1.1V
Line 1
Place as close as possible to the MCU 1.1V lines - DVDD and GND pins
C9
Capacitance
0.1µF
CONTROL CIRCUIT (MCU)
USB-
C11
Capacitance
0.1µF
BATTERY
MOUNTING HOLES
POWER REGULATION
C3
Capacitance
0.1µF
R16
Resistance
50 Ω
C1
Capacitance
1µF
C5
Capacitance
1µF
J1
J2

5_11 PCB Placement Update

5_11 PCB Placement Update thumbnail