How to join:

If device in FN(factory new) state:

1. Press and hold button (1) for 2-3 seconds, until device start flashing led
2. Wait, in case of successfull join, device will flash led 5 times
3. If join failed, device will flash led 3 times

If device in a network:

1. Hold button (1) for 10 seconds, this will reset device to FN(factory new) status
2. Go to step 1 for FN device

Hardware

2AAA version

• Gerber, BOM, Scheme 2AAA

CR2 version

• Gerber, BOM, Scheme CR2
• Attention! Do not use CR2032 and CR2450 with a motion sensor (AM312 / BS312), as at low battery voltage (<3v) false alarms occur.

Firmwares

• Downalod from github releases

• Settings can be changed without restarting zigbee2mqtt

• Bind

• Converters

Thanks for the help

• firmware github diyruz by @anonymass
• hardware and testing by @ring04
• telegram channel Zigdev