==Use the AT Command==

==Use the AT Command==

[[File:AT0.jpg|300px|none|thumb|]]

[[File:AT0.jpg|300px|none|thumb|]When using the AT command, if your SW1 did not hit the FLASH, push to the Flash range.]

# [[File:NEW_LSN50.jpg|300px|none|thumb|Line connection: Use USB to serial port tool: PA2 connects RXD, PA3 connects TXD, GND connects to GND.]]

# [[File:NEW_LSN50.jpg|300px|none|thumb|Line connection: Use USB to serial port tool: PA2 connects RXD, PA3 connects TXD, GND connects to GND.]]

# [[File:Connect_USB.jpg|300px|none|thumb|Connect the computer.]]

# [[File:Connect_USB.jpg|300px|none|thumb|Connect the computer.]]