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Files

Schematic

Layout

3D View

USER
LED_R
MCU_RST
REED
BOOT
TX
LED_R
LED_G
TX
MCU_RST
BOOT
SWDIO
RX
SDA
MCU_RST
BOOT
RX
SWCLK
LED_B
TX
LED_B
RX
SWDIO
REED
LED_G
USER
SWCLK
SDA
SCL
SCL
L2
Inductance
Inductance
C5
Capacitance
0.01uF
C6
Capacitance
0.01uF
C3
Capacitance
0.01uF
R1
Resistance
470 Ω
C4
Capacitance
22uF
R6
Resistance
50 Ω
C10
Capacitance
1uF
R3
Resistance
135 Ω
C2
Capacitance
22uF
C8
Capacitance
22uF
R2
Resistance
100kΩ
R5
Resistance
50 Ω
C1
Capacitance
0.01uF
R4
Resistance
50 Ω
C7
Capacitance
Capacitance
+3V3
VBAT
+3V3
+3V3
SDA
BOOT
DIO
+3V3
USER
SCL
TX
C9
Capacitance
Capacitance
+3V3
RX
CLK
EN
LED1
U1
BAT1
REED1
L1
Not Recommended for New Designs
Inductance
2.2uH
IC1
Y1
PROG

LoRa Door and Window Sensor Reference Design