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+--- Thread: KC868-COLB V2.7 firmware support Tuya app (/showthread.php?tid=2912)
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RE: KC868-COLB V2.7 firmware support Tuya app - hentes - 06-12-2023
I will try another ip address. Regarding to modbus and node-red before firmware update it worked perfectly.
RE: KC868-COLB V2.7 firmware support Tuya app - hentes - 06-13-2023
I've changed ip address but mqtt is not working. When enabling only mqtt the ethernet mode led UDP is on. Is that OK?
UPDATE: Downloaded 2.4 version and the result is the same. NO MQTT! After putting back v1.14 immediately connects to mqtt and sendig data.
No other configuration is changed, ONLY upgrading and downgrading firmware.
RE: KC868-COLB V2.7 firmware support Tuya app - admin - 06-13-2023
do you have jlink USB cable?
RE: KC868-COLB V2.7 firmware support Tuya app - hentes - 06-13-2023
Yes I do. I've updated the bootloader too from the post of version 2.4
RE: KC868-COLB V2.7 firmware support Tuya app - admin - 06-13-2023
do you have download BOOTLOADER for your COLB by this HEX file? you can download this file again.
Bootloader_AD_V2_0_2_20210913.zip (Size: 4.88 KB / Downloads: 241)
RE: KC868-COLB V2.7 firmware support Tuya app - hentes - 06-15-2023
Downloaded BOOTLOADER then downloaded v2.7 firmware but NO MQTT data is sending!
After this downloaded V1.14 and MQTT data appeared. For some reason with v2.7 is no mqtt data is sent.
RE: KC868-COLB V2.7 firmware support Tuya app - admin - 06-15-2023
when you use jlink, do eraser all for chip.
RE: KC868-COLB V2.7 firmware support Tuya app - hentes - 06-15-2023
Yes I did. I followed step by step the instructions posted here. No mqtt data is coming from colb.
RE: KC868-COLB V2.7 firmware support Tuya app - admin - 06-15-2023
can you take a video of your problem, then send to whatsapp number: +86-15381188302