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UBX-21035674 - R02

C1-Public

www.u-blox.com

XPLR-IOT-1

Explorer application platform

User guide

Abstract

This  document  describes  the  hardware  and  software  architecture  and  user  programming  of  the
XPLR-IOT-1  application  platform.  Providing  a  complete  platform  for  developing  various  proof-of-
concept  IoT  applications,  the  XPLR-IOT-1  showcases  products  from  all  u-blox  product  centers  -
including NORA-B106 and NINA-W156 short range radio modules, SARA-R510S cellular modules,
MAX-M10S satellite positioning modules, and the Thingstream IoT service delivery platform.

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Summary of Contents for XPLR-IOT-1

Page 1: ...gramming of the XPLR IOT 1 application platform Providing a complete platform for developing various proof of concept IoT applications the XPLR IOT 1 showcases products from all u blox product centers...

Page 2: ...tion Document contains the final product specification This document applies to the following products Product name Ordering code Product status XPLR IOT 1 XPLR IOT 1 Engineering Sample u blox or thir...

Page 3: ...2 4 System reset 13 3 3 Serial subsystem 14 3 4 u blox modules 15 3 4 1 NORA B106 short range radio 15 3 4 2 NINA W156 short range 18 3 4 3 SARA R510S cellular 20 3 4 4 MAX M10S positioning 22 3 5 I2...

Page 4: ...XPLR IOT 1 User guide UBX 21035674 R02 Contents Page 4 of 39 C1 Public 6 1 NORA B1 35 A Appendix 36 A 1 Glossary 36 B Regulatory limitations 37 Related documentation 38 Revision history 39 Contact 39...

Page 5: ...ined synergy of u blox short range radio positioning and cellular products in a single device Packaged within a silicone protective bumper XPLR IOT 1 comprises a Printed Circuit Board Assembly PCBA an...

Page 6: ...port for u blox global positioning hardware NFC antenna with tag capability for Near Field Communication NFC A USB connection provides UART connections to each of the modules USB is also connected dir...

Page 7: ...unction u blox hero red u blox module MCU Bluetooth Wi Fi Cellular GNSS Green I2C Sensor bus Qwiic compatible expansion port Dark Gray Asynchronous serial UART connections between modules Blue USB Per...

Page 8: ...1 PCBA All test points current measurement jumpers and debugging LEDs are accessible from the component side of the PCBA To expose the PCBA remove the protective rubber bumper and undo the four screw...

Page 9: ...latform description Page 9 of 39 C1 Public 3 1 1 PCBA component side The component side of the PCBA faces the rear of the case Figure 4 shows the locations of components on the board Figure 4 PCBA com...

Page 10: ...e board Figure 5 PCBA antenna side part locations 3 2 Power and reset subsystem XPLR IOT 1 is powered over USB through a micro B connector VBUS is filtered and connected to a Li Po battery charger The...

Page 11: ...cted Off Disconnected On VBAT 3 2 VDC Green Disconnected On VBAT 3 2 VDC discharged Off Connected Off Charging Red Connected Off Fully charged or battery disconnected Off Connected On Charging Amber C...

Page 12: ...3 as shown in Figure 6 The expected current measurements are shown in Table 3 Figure 6 PCBA power switch and system current measurement test points J10 pin 1 is connected to system ground All current...

Page 13: ...RST High Reset NINA_RST High Reset Table 4 Reset states System reset can be isolated from each module by cutting the associated jumper noted in Table 5 This can be useful to independently reset each m...

Page 14: ...le See Table 7 and the schematic at 1 for GPIO assignments Figure 8 Serial subsystem NORA B1 outputs GPIO control signals to select whether NORA B1 or the USB UART port connects to either NINA W15 or...

Page 15: ...f the other u blox modules sensors and interfaces GPIO Signal Direction Description P0 00 XL1 IO Low frequency clock P0 01 XL2 IO Low frequency clock P0 02 P0 02 NFC1 IO NFC tag P0 03 P0 03 NFC2 IO NF...

Page 16: ...m UART4 RX data P1 09 NINA_RST O NINA W15 reset P1 10 NORA_NINA_COM_EN O System UART2 UART6 selection P1 11 RX6 I System UART6 RX data P1 12 DTR6 O System UART6 DTR flow control P1 13 TX5 O System UAR...

Page 17: ...ns 3 4 1 3 Current measurements Current flowing into NORA B1 from the 3V3 supply rail is measured by cutting jumper NC9 and placing an ammeter or power analyzer across J4 pins 2 and 3 as shown in Figu...

Page 18: ...sending MQTT messages through Thingstream to process environmental data NINA W156 also contains a Abracon Niche antenna for Wi Fi in the 2 4 GHz ISM band 3 4 2 1 NINA W15 power supply and current mea...

Page 19: ...n Low Not powered Off Table 8 NINA W15 power states 3 4 2 2 NINA W15 UART and other signals Table 9 describes the LEDs that indicate the UART activity Signal LED State NINA W15 status LED state NINA_T...

Page 20: ...nals See also the NINA W15 data sheet 8 and system integration manual 9 3 4 3 SARA R510S cellular SARA R510S provides LTE M and NB IoT connectivity through its UART and AT command set Cellular is a se...

Page 21: ...upply rail cut jumper NC6 and place an ammeter or power analyzer across J3 pins 2 and 3 as shown in Figure 15 J3 pin 1 is connected to system ground Figure 15 SARA R5 power supply and current measurem...

Page 22: ...USB Port 0 from the USB hub is connected to the SARA diagnostic USB port Default state is disabled To enable USB diagnostic logging short jumper NO3 Enabling USB on SARA R5 will increase current cons...

Page 23: ...th 3 4 4 2 MAX M10 power supply and current measurement MAX M10 operates at 3 VDC The main 3V3 power supply is connected to an LDO to provide this voltage The enable input of the LDO is used to switch...

Page 24: ...connected to system ground Figure 19 MAX M10 current measurement Figure 20 MAX M10S and current measurement 3 4 4 3 MAX M10 UART and other signals Table 14 describes the three LEDs that indicate UART...

Page 25: ...The LIS2DH12TR data sheet is available at reference 22 3 5 3 Magnetometer A LIS3MDL magnetometer from ST Microelectronics measures magnetic fields in three axes Scales of 4 8 12 and 16 gauss may be s...

Page 26: ...B1 On the I2C bus it is assigned address 0x55 The BQ27421YZFR G1A data sheet is available at reference 26 3 5 7 Qwiic connector To further expand the I2C bus J5 is compatible with the Qwiic connect s...

Page 27: ...TP9 ROM_BOOT NINA W15 ESP boot mode TP10 SARA_1V8 1 8 VDC nominal power rail source SARA R5 when powered TP11 SARA_VCC SARA R5 power rail source VBAT TP12 VCC_NINA 3 3 VDC nominal power rail source 3V...

Page 28: ...rail source 3V3 TP37 GNSS_LNA_PWR 2 9 VDC nominal power rail source VCC_MAX_RF switched by MAX M10 TP38 ACCEL_INT Accelerometer interrupt TP39 VCC_MAX_RF 2 9 VDC nominal power rail source MAX M10 TP40...

Page 29: ...IOT 1 User guide UBX 21035674 R02 Platform description Page 29 of 39 C1 Public Figure 24 shows all test point locations All test points are on the component side of the PCBA Figure 24 Test point locat...

Page 30: ...o isolate from system reset NC2 SARA R5 power indicator Open to disable LED D7 NC3 NINA W15 power indicator Open to disable LED D8 NC4 SARA R5 reset Open to isolate from system reset NC5 NINA W15 curr...

Page 31: ...B106 Interface 0 115 200 SARA R510S Interface 1 115 200 NINA W156 Interface 2 115 200 MAX M10S Interface 3 9 600 Table 20 USB UART interface assignments COM port assignments differ among host PCs Usin...

Page 32: ...21035674 R02 USB connection Page 32 of 39 C1 Public Figure 26 shows s center 10 m center 11 and u center 12 connected to the respective VCPs on XPLR IOT 1 Figure 26 XPLR IOT 1 communicating with s cen...

Page 33: ...e application core the network core update can be bypassed The update sequence listed here assumes the availability of pre configured binary files Additional details may be found in the XPLR IOT 1 Git...

Page 34: ...Follow the instructions at USB connection to connect XPLR IOT 1 to a host PC running Windows 2 Open a terminal program such as Putty 29 or TeraTerm 30 to the virtual COM port VCP for NORA B1 interface...

Page 35: ...ory 2 and developed using the Nordic Semiconductor nRF Connect SDK NCS 31 Build instructions are located within the repository readme NCS is installed through the Toolchain Manager of the Nordic Semic...

Page 36: ...nergy LED Light Emitting Diode Li Po Lithium Polymer battery LNA Low Noise Amplifier MCU MicroController Unit MQTT Message Queuing Telemetry Transport NC Normally Closed NCS nRF Connect SDK NFC Near F...

Page 37: ...opment platform It has not been RF certified with worldwide agencies It may not be offered for sale as an end user product XPLR IOT 1 contains the modules described in Table 22 Module FCC ID IC ID NOR...

Page 38: ...SARA R5 EasyFlash firmware update utility UBX 13001845 16 MAX 10S data sheet UBX 20035208 17 MAX 10S system integration manual UBX 20053088 18 Abracon Niche antenna 19 Taoglas wideband cellular anten...

Page 39: ...omments R01 01 Jun 2022 brec Initial release R02 20 Jun 2022 brec Added Application development chapter Revised formatting and related references in the block diagram serial subsystem and PCBA images...

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