Features:
- Waterproof temperature sensor use for liquid thermometer
- OLED 0.96inch LCD screen display, able show
- Small Mace Watch Online email alarm
we are using xdc.link, powerd by thingsboard
Step 1: See the Application Case



we use for laser cutting machine,
install it for water cooling temperature monitor
Step 2: Thingsboard Setup


Step 3: List:
1. nodemcu
2.ds18b20