Block Diagram

WH1143-TX
MCU
2.4GHz-TX
Power
DC3.0v
2*AA
KEY1
Advance
KEY2
Retreat
ANT
MCU
2.4GHz
-
RX
Power
DC 6.0 V
4*AA
Motor1
Motor
2
Speaker
Key1
ANT
Drive IC Drive IC
Voice IC
KEY3
UP
KEY4
DOWM
KEY5
RIGHT
KEY6
LEFT
KEY7
SOUND1
KEY8
SOUND2
LED
LED
Motor3
Drive IC
WH1143-RX
Crystal
Osc.
16MHz