Hedda

> I can not find any Zigbee info about it. Wondering if Bosch has posted specifications for it and which Zigbee profile(s) it supports? Hmm, according to Bosch's Twinguard help...

> **Seems as if the twinguards use a shorter installation code (16 bytes instead of 18).** > > Looks like the Twingurad isn't going to ZHA? Reading the comments by...

Guessing that a developer would have to buy the older "Bosch Smart Home Controller" (BSHC-1) and use Zigbee sniffer with Wireshark to sniff and dump Zigbee traffic when joining/paring this...

> Interesting. Your device's model number is `8750001215`, while the linked device's model number is `8750001213`. Perhaps yours is a newer revision? FYI, screenshot from [safakaltun](https://github.com/safakaltun) of his Bosch Twingard...

Not sure if related this issue(?) but FYI; noticed @promasu has submitted PR to "**_Add support for Bosch QR-codes for zha.permit_**" https://github.com/home-assistant/core/pull/102427 https://github.com/home-assistant/home-assistant.io/pull/29459 https://github.com/home-assistant/core/pull/102427/commits/3a753de25a4bd420ad4aa04a86733f3f92d66f59 ``` # Bosch r""" ^RB01SG [0-9a-fA-F]{34}...

> See [home-assistant/core#107460](https://github.com/home-assistant/core/pull/107460) for further details Nice! Is Bosch Twinguard their only device that needs such a unique solution or could it also be applies to other Bosch devices? https://github.com/zigpy/zha-device-handlers/issues?q=is%3Aissue+Bosch

> The adapter is designed to work with EFR32 chips using the EmberZNet v8 protocol. Recommended firmware NCP 6.7.8. General tip when buying an EZSP v8+ compatible adapter is to...

> **I have the same error using bellows**, but not when using Z3Gateway CLI and forming a Z3.0 network ([instructions](https://www.silabs.com/community/wireless/zigbee-and-thread/knowledge-base.entry.html/2018/04/24/how_to_form_zigbee3-zrzB)). Can I suggest that you report that as an issue...

> Great idea to expand the docs on the new Zigbee Groups feature. However, I would change the phrasing a bit @j4n-e4t Thanks! I have commited your suggested changes now.

> Let's keep this documentation specific to ZHA, so there's no need to explain what Zigbee groups are, how they're used, and so on. Just show/explain how to bind and...