IO8
IO3
RESET
3.3V
IO14
IO11
IO2
TX
GND
IO22
U1
End of Life
IO1
IO5
IO13
D+
5V
D-
IO12
IO25
GND
IO10
RX
BOOT
IO0
IO4
C2
Capacitance
1uF
LED1
R10
Resistance
220 Ω
SW1
R9
Resistance
220 Ω
R1
Resistance
10KΩ
R8
Resistance
220 Ω
R7
Resistance
10KΩ
C5
Capacitance
22uF