1.IDE : ST Visual developer
2.Toolchain : Cosmic tools
3.Processor : STM8S103K3
4.LoRa module:SFM-1L
5.Function : Master->Sned Message
Slave->Receive Message-> Send Message back to Master
6.Payload : 30bytes
Note: SFM-1L module has 26MHz crystal on board, not 32MHz. RegFrf=