Dialog DA14531 binaire
Budget: $30 – $250 USD
Compile a version of the "dsps_device_531.bin" for DA14531, changing baud rate to 115200, changing the name to "REFLEX_531" and modify defines "ARCH_SLEEP_OFF" and "CFG_UART_SW_FL0W_CTRL" (if using the source code in DSPS_6.150.4.50.zip).