UbiBot WS1 Pro has two Micro USB ports for connecting external probes or USB power supply.

- Each Micro USB port supports 1 x DS18B20 temperature probe.

- The lower Micro USB port also supports one following RS485 probes:

TH30S-B Air Temperature and Humidity Probe
Soil Temperature and Moisture Sensor
PT 100 Industrial-grade Temperature Probe
Wind Speed Sensor

- Splitters may be needed when you connect multiple external probes and external USB power supply at the same time.

NOTE:

- Only one RS485 probe can be connected at a time, it can't support more than one RS485 probes at a time. 

DS18B20 Temperature Probe	More details
TH30S-B Air Temperature and Humidity Probe	More details
Soil Temperature and Moisture Sensor	More details
PT 100 Industrial-grade Temperature Probe	More details
Wind Speed Sensor	More details

Micro USB Splitter	More details
Water Resistant Case for Outdoor Use	More details