SPI ELRS：
Walksnail and HDZERO SPI ELRS version firmware(BF4.3.1) support ELRS v2.x.x
betaflight_4.3.1_STM32F411SX1280
Walksnail and HDZERO SPI ELRS version firmware(BF4.3.1) support ELRS v3.x.x
betaflight_4.3.1_CRAZYBEEF4SX1280_ICM42688P_ELRS_V3.0
Dump file for Walksnail SPI ELRS version Betaflight 4.3.1
Bassline Walksnail spi elrs version dump all
Dump file for Walksnail SPI ELRS version Betaflight 4.4.2
Bassline walksnail SPI ELRS dump file for betaflight 4.4.2
Dump file for HDZERO SPI ELRS version
Bassline HDZERO spi elrs dump all
UART ELRS：
Walksnail UART Serial ELRS version firmware(BF4.3.1)
betaflight_4.3.1_STM32F411
Dump file for UART Serial ELRS version
Bassline Walksnail uart elrs dump all
Receiver firmware could upgrade by expressLRS configurator or WIFI
Device category:Happymodel 2.4 GHz
Device target: HappyModel EP 2400 RX