Description
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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