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i4 Small Hammer IoT liquid thermometer with display with alarm nodemcu IoT DS18b20

Name: i4 Small Hammer IoT liquid thermometer with display with alarm nodemcu IoT DS18b20
Brand: Makerbuying

Features: Waterproof temperature sensor LCD screen display Small Mace Watch Online email alarm Product parameters: Driver board:

官网原始名称

来源：Makerbuying 官网 · 采集日期：2026-11-04。原始名称中的编号与版本写法保留来源信息，具体参数、套装内容和兼容性请以官网确认结果为准。

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Original product documentation

Archived from the official source. Refer to the source product page for the latest specifications and configuration.

Features: Waterproof temperature sensor LCD screen display Small Mace Watch Online email alarm Product parameters: Driver board: nodemcu Temperature sensor: DS18B20 Internet of Things platform: xdc.link Wide temperature range: -55 ℃ ~ + 125 ℃ Accuracy: 0.5 ℃ (actual measurement error 1-2 ℃) Alarm temperature: can be set Power supply: USB Shipping list: A set of Internet of things thermometer without charging head

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