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Nedis Smoke Detector Sensor
Model reference: WIFIDS10WT
Nedis Smoke Detector

Available from:
Nedis.com




Manufacturer:
Nedis.com

Flashed with:
Serial port

GPIO #Component
GPIO00 None
GPIO01 Tuya Tx
GPIO02 None
GPIO03 Tuya Rx
GPIO04 None
GPIO05 None
GPIO09 None
GPIO10 None
GPIO12 None
GPIO13 None
GPIO14 None
GPIO15 None
GPIO16 None
FLAG None

Template

{"NAME":"Nedis Smoke","GPIO":[0,107,0,108,0,0,0,0,0,0,0,0,0],"FLAG":0,"BASE":54}

Flashing

I successfully flashed this device using both Tuya Convert snd serial flashing soldering cables directly onto the TYWE3S chip. I would recommend the serial flashing method which also allows you to configure the setup without worrying about the chip going to sleep.

If configuring using the battery, 3 presses within 2 seconds energise the TYWE3S for about 50 seconds.

After initial setup type the following into the Tasmota console window:

Rule1 ON TuyaReceived#data=55AA000000010101 DO POWER ON ENDON

Enable the rule: Rule1 1

Enable SetOption66 1

This device on Tasmota 8.2 does not report a full TuyaMCU message, but it sends 55AA000000010101 when smoke is detected.

I am powering this device using a PoE connection linked to a DC-DC step down PCB which fits nicely in place of the 2xAA batteries. I have soldered a cable between the power and the VCC of the TYWE3S which keep the Tasmote interface permanently available and allows simple resetting of the smoke detector after an activation.

PCB PCB