Found a ZTLC9 module in a switch. Anyone reprogrammed this module? / Frank

Hey, this is a Zigbee module. Why would you want to reprogram that? It can already work without a cloud when you use, for example, zigbee2mqtt with Home Assistant. By the way, it looks like a Zigbee version of WBLC9: The following images are from the WBLC9 docs and the similiarity is very high. Still, it's a Zigbee module, not WiFi, so it should work with zigbee2mqtt out of the box.

And I have another question about the ZTLC9 module. Is it possible to somehow change the antenna to one with higher gain? WBLC9 has information in the description about the presence of a ceramic antenna on the board. But which one is it? Can it be replaced, for example, with a WiFi antenna from a laptop?

Reprogramming ZTLC9/ZHU2318 Module in Smart Switch: Step-by-Step Guide

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#1 20975870 24 Feb 2024 06:25

maiwai1900 maiwai1900

Level 2

Post #1
20975870 24 Feb 2024 06:25

Found a ZTLC9 module in a switch. Anyone reprogrammed this module?

/ Frank
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#2 20975905 24 Feb 2024 07:49

p.kaczmarek2 p.kaczmarek2

Moderator Smart Home

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Post #2
20975905 24 Feb 2024 07:49

Hey, this is a Zigbee module. Why would you want to reprogram that? It can already work without a cloud when you use, for example, zigbee2mqtt with Home Assistant.

By the way, it looks like a Zigbee version of WBLC9:

The following images are from the WBLC9 docs and the similiarity is very high. Still, it's a Zigbee module, not WiFi, so it should work with zigbee2mqtt out of the box.

I am creating multiplatform open source firmware (Tasmota replacement), right now supporting BK7231T, BK7231N, XR809, BL602, W800, W600, LN882H and soon supporting RTL and W701:
https://github.com/openshwprojects/OpenBK7231T
If you like my work, support me at: https://paypal.me/openshwprojects

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#3 20992756 06 Mar 2024 14:21

speedy9 speedy9

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Post #3
20992756 06 Mar 2024 14:21

And I have another question about the ZTLC9 module. Is it possible to somehow change the antenna to one with higher gain? WBLC9 has information in the description about the presence of a ceramic antenna on the board. But which one is it? Can it be replaced, for example, with a WiFi antenna from a laptop?
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Reprogramming ZTLC9/ZHU2318 Module in Smart Switch: Step-by-Step Guide

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