Block Diagram

1 2 3 4
A
B
C
D
4321
D
C
B
A
U1 MCU Control
Regulator
Circuit
DC 3V0
2G4
Circuit
Filtering
Circuit
Protection
(Embeded 2G4)
16 MHz Crystal
Cirucit
U3 Motor DriveM2
Motor
M1
Motor
FOR/BACK
ANT33mm
Cirucit
U2 Motor Drive
RIGHT/LEFT