Also battery monitoring should have a zero drain current with something like that

Check this repo

@xc-c
thanks for this information, may be worth mentioning on OpenSource github repository readme file.

Got it, I tried something and it worked
Removed lipo then plug usb cable while pressing button (looks like number 2) then 3 led are flashing red and one green.
Looks like button in firmware mode, then tool was able to flash it back.

Not mentioned anywhere on documentation for firmware updating

I think I made a mistake, I upgraded my LoraButton with the file bin/u_rak811_lorabutton.bin from official repo
https://github.com/RAKWireless/RAK811_LoRaButton

I've done it with RAK LoRaButton Upgrade Tool V1.0 and upgrade went fine but I can't do anything more, seems bricked, nothing on serial and I cant flash it or use it either
How can I get back to life ? I've got STM32 programmer STLink.

On my second one I flashed firmware from RAK Wireless support site
U_RAK811N_LoraButton_V2024_EU868_20180312 and worked fine.

Thanks for your help

Hi There
I've got a Lora button, but can't have it working correctly, I tried on TTN first so I changed to my local LoraWAN server and or at least it works

Sometime it works then stop working after 5/10 min and sometimes it does not work

Here what I've done

at+version
OK2.0.2.1
at+mode=0
OK
at+set_config=dev_eui:4444......
OK
at+set_config=app_eui:70B3D57...
OK
at+set_config=app_key:24326DF......
OK
at+join=otaa 
OK
at+reset=0
OK
Welcome to RAK_LB801N

After join seen on server (I can see the join request on server )
I started to play with buttons

Key2 press
Tx OK: 53 01 00 01 00 00 00 64 
Key3 press
Tx OK: 53 01 00 00 01 00 00 64 

As indicated TX is OK but I don't see any frame going to my server.

Anyone has encountered this issue? Any beta firmware available?