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Schematic

Layout

3D View

SCL
XL2
GND
3.3V
R4
Resistance
120 Ω
SDA
R5
Resistance
10 Ω
XC1
ANTENNA
3.3V
3.3V
3.3V
3.3V
BUTTON_2
SDA
SDA
BUTTON_1
SDA
XL1
TEST_PIN1
3.3V
SCL
XC2
RESET
3.3V
R3
Resistance
500 Ω
SCL
R1
Resistance
120 Ω
R6
Resistance
10 Ω
SCL
OLED1
Programming Header I2C
C2
Capacitance
22 F
C5
Capacitance
22 F
C1
Capacitance
22 F
C6
Capacitance
22 F
32MHz
32.768KHz
CE2302_Coin Cell Holder
D2
U1
S1
D1
P1

BLE Watch