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Sonoff Temperature and Humidity SNZB-02D Review (smarthomescene.com)

submitted 1 year ago by [email protected] to c/[email protected]

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The Sonoff SNZB-02D is a good quality temperature and humidity sensor with an LCD screen. The sensor is capable and accurate, although humidity calibration was needed in my case.

Regarding Zigbee communication, the EFR32MG22 module gave me no issues with connectivity in both my testing setups. For reference, the first one is Zigbee2MQTT with a Sonoff ZBDongle-E and the second one is ZHA with a Conbee II stick. The reporting interval is not as frequent as a BLE-based sensor, but this is a Zigbee characteristic to save battery.

The only thing I really didn’t like is the LCD screen of the SNZB-02D. It has bad viewing angles, the contrasts gets distorted fast and you cannot glance it from a distance. This is somewhat expected with an LCD, but for comparison, the SwitchBot Meter Plus has as an incredible LCD screen with thick numbers which can be seen from across the room.

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Regarding Zigbee communication, the EFR32MG22 module gave me no issues with connectivity in both my testing setups. For reference, the first one is Zigbee2MQTT with a Sonoff ZBDongle-E and the second one is ZHA with a Conbee II stick. The reporting interval is not as frequent as a BLE-based sensor, but this is a Zigbee characteristic to save battery.

The only thing I really didn’t like is the LCD screen of the SNZB-02D. It has bad viewing angles, the contrasts gets distorted fast and you cannot glance it from a distance. This is somewhat expected with an LCD, but for comparison, the SwitchBot Meter Plus has as an incredible LCD screen with thick numbers which can be seen from across the room.

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[–] [email protected] 2 points 1 year ago

It just popped up in my newsfeed as an "in case you missed it" probably because it picked up on my Googling for solutions to problems with my Bluetooth sensors. With hindsight, I think I'd recommend that people keep it ZigBee, either with this if you wanted a display or the Tuya if you didn't.