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RAK RAK1901 Quick Start Manual

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Documentation Center
RAK1901 Quick Start Guide
Prerequisite
What Do You Need?
Before going through each and every step on using the RAK1901 WisBlock module, make sure to prepare the
necessary items listed below:
Hardware
RAK1901 WisBlock Temperature & Humidity Sensor
Your choice of
WisBlock Base
Your choice of
WisBlock Core
USB Cable
RAK19005 WisBlock Sensor Extension Cable (optional)
Li-Ion/LiPo battery (optional)
Solar charger (optional)
Software
Arduino
Download and install
ArduinoIDE
To add the RAKwireless Core boards on your Arduino Boards Manager, install the
.
Product Configuration
Hardware Setup
WisBlock can integrate this module which makes it easy to build up an environmental temperature and humidity
data acquisition system.
For more information about the RAK1901, refer to the Datasheet.
The RAK1901 module gives information about:
Environment Temperature
Environment Humidity
RAK1901 module can be connected to the sensor's slot of
Core, as shown in Figure 1. It will work on SLOT A to F. Also, always secure the connection of the WisBlock
module by using compatible screws.
.
WisBlock Base
RAKwireless Arduino BSP
to communicate with the WisBlock

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Summary of Contents for RAK RAK1901

  • Page 1 Documentation Center RAK1901 Quick Start Guide Prerequisite What Do You Need? Before going through each and every step on using the RAK1901 WisBlock module, make sure to prepare the necessary items listed below: Hardware RAK1901 WisBlock Temperature & Humidity Sensor...
  • Page 2 Documentation Center Figure 1: RAK1901 connection to WisBlock Base Assembling and Disassembling of WisBlock Modules Assembling As shown in Figure 2, the location for Slot A, B, C, and D are properly marked by silkscreen. Follow carefully the procedure defined in...
  • Page 3 Documentation Center Figure 2: RAK1901 connection to WisBlock Base Disassembling The procedure in disassembling any type of WisBlock modules is the same. 1. First, remove the screws. Figure 3: Removing screws from the WisBlock module 2. Once the screws are removed, check the silkscreen of the module to find the correct location where force can...
  • Page 4 WisBlock Pin Mapper tool for possible conflicts. RAK1901 uses I2C communication lines, and it can cause possible conflict especially on some IO modules. After all this setup, you can now connect the battery (optional) and USB cable to start programming your WisBlock Core.
  • Page 5 Documentation Center Software Configuration and Example The RAK1901 is a Temperature & Humidity sensor board that contains the SHTC3 chip. The SHTC3 is a digital temperature and humidity sensor designed especially for battery-driven high-volume consumer electronics applications. The device comprises a sensing element and an IC interface which communicates through I2C from the sensing element to the application.
  • Page 6 Documentation Center Figure 7: Selecting RAK11200 as WisBlock Core RAK11310 Board Figure 8: Selecting RAK11310 as WisBlock Core 3. Next, copy the following sample code into your Arduino IDE: Click Here to View Example Code...
  • Page 7 Figure 9 and Figure 10. Figure 9: Accessing the library used for RAK1901 Module Figure 10: Installing the compatible library for RAK1901 Module 4. After successful installation of the library, you can now select the right serial port and upload the code, as shown...
  • Page 8 5. When you successfully uploaded the example sketch, open the Serial Monitor of the Arduino IDE to see the sensor's reading logs. If you see the logs, as shown in Figure 13, then your RAK1901 is properly communicating to the WisBlock core.
  • Page 9 Documentation Center Figure 13: RAK1901 temperature and humidity data logs Last Updated: 7/29/2022, 10:17:19 PM...
  • Page 10 Figure 1: RAK1901 WisBlock Sensor Description RAK1901 is a WisBlock Sensor that extends the WisBlock system with a Sensirion SHTC3 temperature and humidity sensor. A ready-to-use SW library and tutorial make it easy to build up an environmental temperature and humidity data acquisition system.

  • Page 11: 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.

  • Page 12: Temperature Sensor

    Documentation Center SLOT A SLOTB SLOT C SLOT D SLOT E SLOT F WB_IO1 WB_IO2 WB_IO3 WB_IO5 WB_IO4 WB_IO6 Sensors Temperature Sensor Parameter Conditions Value Units Accuracy Tolerance Typ. ±0.2 °C Repeatability °C Resolution 0.01 °C Specified Range -40 to +125 °C Response Time τ...
  • Page 13 Power supply for the module Sleep current sleep Measure current (normal mode) Measure current (low-power mode) Mechanical Characteristics Board Dimensions Figure 3 shows the dimensions and the mechanic drawing of the RAK1901 module. Figure 4: RAK1901 WisBlock Sensor Mechanic Drawing WisConnector PCB Layout...

  • Page 14: Schematic Diagram

    Documentation Center Figure 5: WisConnector PCB footprint and recommendations Schematic Diagram Figure 5 shows the schematic of the RAK1901 module. Figure 6: RAK1901 WisBlock Sensor schematics Last Updated: 7/29/2022, 10:17:19 PM...