Users Manual

RF1276 LoRa module V3.0
- 8 - 2018-2-12
Firstly users connect converter board to PC through DB9 cable and open ‘RF Tool’, then insert module
into converter board. After that, the status column of ‘RF tool’ will give a indication ‘Found Device’. Users
then can read/write the module.
If users connect USB converter, USB drive ’’PL-2303_Driver_Installer’’need be installed firstly. The
drive has different version for different OS. USB converter has five wires with five different colors: Black,
Red, Blue, Yellow. Black wire is GND pin. Red wire is VCC pin. Blue wire is TXD pin.
Figure 4: The connection diagram
♦ Setting in circuit . Users also can use microcontroller to change the default parameters. The work
mechanism is the same as in PC.
Sync word ID code Header Command Length Data CRC End code
0xAF 0xAF 0x00 0x00 0XAF XX YY LEN XXXX CS 0X0D 0X0A
RF1276 Command Structure
Notes: 1. The ID code is 0x00 0x00 in command.