Hi, I’m using two different types of RAK3272S evaluation board.
one is written ‘8261007X’ and the other is ‘82610049’ with silkscreen.
they all denoted as Rev.C board so there seems no difference but its firmware.
8261007X comes with RUI_4.0.5_RAK3172-E, 82610049 comes with v1.0.4.
what we are currently using is ‘82610049’ board.
after a few days with its powered on state, RAK3272S does not answer against the AT command from host.
Same problem occurs no matter how host UART device used, whether the host MCU is stm32f103c8t6, or raspberry Pi.
more strange thing is, it works good as before once i disconnect power from RAK3272 and power again.
the only way to solve this problem is, to detach the sensor and attach to host again.
i’ve got one suspicious thing ;
- v1.0.4 firmware seems to has no response problem from its prolonged uptime
is there any problem reported before concerning about its firmware version, v1.0.4?
i know the firmware update is strongly recommended but would it be helpful for RAK3272?