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RAK RAK1920 Quick Start Manual

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RAK1920 Quick Start Guide
Prerequisite
What Do You Need?
Before going through each and every step on using the RAK1920 WisBlock module, make sure to prepare the
necessary items listed below:
Hardware
RAK1920
Your choice of
WisBlock Base
Your choice of
WisBlock Core
USB Cable
Li-Ion/LiPo battery (optional)
Solar charger (optional)
Grove PIR Motion Sensor (AS312)
Software
Download and install
Arduino IDE
To add the RAKwireless Core boards on your Arduino board, install the RAKwireless Arduino BSP. Follow the
steps in the
Github repo
Product Configuration
Hardware Setup
RAK1920 is a WisBlock Interface module, which extends the WisBlock system with an adapter board to connect
Click Boards (MikroElektronika), QWICC (Sparkfun) based, and Grove (Seeed) based sensors to WisBlock.
For more information about the RAK1920, refer to the Datasheet.
RAK1920 module is part of the WisBlock Interface category, which connects to the base board through the IO slot.
Also, always secure the connection of the WisBlock module by using the compatible screws.
.
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Summary of Contents for RAK RAK1920

  • Page 1 For more information about the RAK1920, refer to the Datasheet. RAK1920 module is part of the WisBlock Interface category, which connects to the base board through the IO slot. Also, always secure the connection of the WisBlock module by using the compatible screws.
  • Page 2 Documentation Center Figure 1: RAK1920 connection to WisBlock Base Assembling and Disassembling of WisBlock Modules Assembling As shown in Figure 2, the location for IO slot is properly marked by silkscreen. Follow carefully the procedure defined in RAK5005-O module assembly/disassembly instructions to attach a WisBlock module.
  • Page 3 If you will connect other modules to remaining WisBlock Base slots, check on the WisBlock Pin Mapper tool for possible conflicts. RAK1920 uses UART and I2C communication lines, and it can cause possible conflict especially on other WisBlock Modules connected to Slot A to D of the WisBlock Base.
  • Page 4 Software Configuration and Example The RAK1920 module is a sensor extension module, it supports several defacto-standard interfaces in the IoT market and allows customers to integrate sensors manufactured by Mikroe, SparkFun, SeeedStudio, and others. For example, the RAK1920 supports the Click Boards™ series of modules provided by Mikroe, Qwiic Connect™...
  • Page 5 Documentation Center Using RAK4631 WisBlock Core Figure 7: Selecting RAK4631 as WisBlock Core Using RAK11200 WisBlock Core Figure 8: Selecting RAK11200 as WisBlock Core Using RAK11300 WisBlock Core...
  • Page 6 Figure 9: Selecting RAK11300 as WisBlock Core 2. The Basic Sample Code for RAK1920 in Github will work on all WisBlock Core. You can open the the example codes depending on your WisBlock Core, as shown in Figure 9, Figure 10 and Figure 11. For this guide we...
  • Page 7 Documentation Center Figure 11: Opening RAK1920 example code for RAK11200 WisBlock Core Sample code for RAK11300 Figure 12: Opening RAK1920 example code for RAK11300 WisBlock Core 3. Once the example code is open, you can now select the right serial port and upload the code, as shown in...
  • 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 14, then your RAK1920 is properly communicating to the WisBlock core.
  • Page 9 Documentation Center Figure 15: RAK1920 sensor data logs Sample code for other sensors Grove Color TCS3472 MikroBUS Temperature TMP102 QWIIC AirQuality SGP30 Last Updated: 7/29/2022, 10:17:19 PM...

  • Page 10: Specifications Overview

    Overview Description The RAK1920 module, a part of the WisBlock Interface series, is a sensor extension module, which extends the WisBlock system with an adapter board to connect Click Boards (MikroElektronika), QWICC (Sparkfun) based and Grove (Seeed) based sensors to WisBlock. This module was designed to be part of a production-ready IoT solution in a modular way and must be combined with a WisBlock Core and a Base module.
  • Page 11 The hardware specification is categorized into four parts. It discusses the interfacing, its corresponding functions and the diagram of the module as well. It also covers the electrical and mechanical parameters that include the tabular data of the functionalities and standard values of the RAK1920 WisBlock Sensor Adapter Module. Interfaces Mikroe Click Boards Interfaces The RAK1920 supports all the Click boards modules manufactured by Mikroe through the mikroBUS™...
  • Page 12 Figure 4: Grove Sensor interfaces By default, the I2C is enabled in the RAK1920 module, but if it is required, the RAK1920 module can also support sensors with Grove UART interface and ADC sensors. To enable the UART interface, a resistance connection needs to be added by the customer.
  • Page 13 Digital IO2 /ADC CH2 /UART TX /I2C Data Black Qwiic Sensor Interface The RAK1920 module supports sensors manufactured by SparkFun through the Qwiic Connect interface. Figure 7 shows the Qwiic Connect interface: Figure 7: Qwiic Connect® interface Figure 8 shows a Qwiic Connect cable:...

  • Page 14: Electrical Characteristics

    Black Reserved I2C Interface The RAK1920 module has a reserved I2C interface, and it can be used for generic I2C interface sensors. NOTE: The I2C interface only supports 3.3 V type of sensors. The reversed I2C interface is shown in Figure 9.

  • Page 15: Mechanical Characteristics

    Symbol Description Min. Nom. Max. Unit Iout Boost converter output current Recommended Operating Conditions Table below shows the recommended operating conditions of the RAK1920 module: Symbol Description Min. Nom. Max. Unit VBAT Power supply for the module 3.3 V power supply 5.5 V power supply...

  • Page 16: Schematic Diagram

    Documentation Center Figure 11: WisConnector PCB footprint and recommendations Schematic Diagram Figure 12: Schematic Diagram The following sections will describe the schematic of the RAK1920 module:...

  • Page 17: Power Supply

    Power Supply The RAK1920 module supports the 5 V option. By default, the 3.3 V_S is used as the 3.3 V power source of sensors. The module integrates a boost converter from the VBAT to 5 V. The VBAT is the battery output voltage, usually between 3.7 V and 4.2 V.
  • Page 18 General purpose I/O Connected to Grove digital I/O sensors’ connectors. IO Connector Pin Order Figure 15 shows the IO connector’s pin order. The connector is located in the bottom layer of the RAK1920 module. Figure 15: IO connector’s pin order...

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