HULU ROBOTICS TECHNOLOGY COMPANY LIMITED 1300303M User Manual
Operating Instruction of 2.4G Wireless Serial
1. Pin Description
Pin Name
Type
Level
Description
Remarks
VCC
5V power input terminal
GND
5V power ground
TX
OUTPUT
5V
Serial communication output
RX
INPUT
5V
Serial communication input
DTR
OUTPUT
5V
Data terminal ready
RST
INPUT
5V
Module reset pin, low level active
2. Function Description:
The function of 2.4G Wireless Serial is to convert the 2.4G wireless communication into the serial
communication. Namely, it converts the received wireless data into the serial data, or transmits the
received serial data in the wireless mode. Duplex communication. The baud rate of the serial
communication is fixed to 115200 bps.
3. Direction for Use:
(1) 2.4G Wireless Serial matches with 2.4G USB Dongle. The 2.4G Wireless Serial module is installed in
the mCore main control board, and the 2.4G USB Dongle is connected to PC, to control the mCore main
control board of the 2.4G wireless communication by PC.
(2) There are three display situations for the blue status indication light of the 2.4G Wireless Serial
module, and these three situations correspond to different operation modes of the module.
Slow flash
(default status)
It indicates to search the latest connection of 2.4G USB
Dongle that is connected with it correspondingly.
Quick flash
Indicate to search the new 2.4G USB Dongle for the
connection.
Constantly light Indicate the successful connection.