BZ1
C2
Capacitance
4.7uF
C6
Capacitance
1uF
RST
L1
Inductance
Inductance
C1
BAT1
J2
DOWN
UP
OK
R3
Resistance
2.2kΩ
LEFT
RIGHT
C3
R2
Resistance
10kΩ
Q1
Manufacturer Part Number
S8050
TX
3V3
GND
U1
RX
RESET