Documentation Center
Figure 2: RAK1901 WisBlock Sensor Mounting
Hardware
The hardware specification is categorized into six parts. It shows the chipset of the module and discusses the
pinouts, sensors, and the corresponding functions and diagrams. It also covers the electrical and mechanical
parameters that include the tabular data of the functionalities and standard values of the RAK1901 WisBlock
Temperature and Humidity Sensor.
Chipset
Pin Definition
The RAK1901 WisBlock Temperature and Humidity Sensor comprises a standard WisBlock connector. The
WisBlock connector allows the RAK1901 module to be mounted to a WisBlock Base board. The pin order of the
connector and the pinout definition is shown in Figure 2.
Figure 3: RAK1901 WisBlock Sensor Pinout Diagram
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NOTE:
Only the I2C related pins, VDD and GND are connected to this module.
If a 24-pin WisBlock Sensor connector is used, the IO used for the output pulse depends on what slot the module
is plugged in. The following table shows the default IO used for different slots:
Vendor
Part number
Sensirion
SHTC3
