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Summary of Contents for Vantron VT-SOM-AH-EVB
- Page 1 Vantron | Embedded in your success, Embedded in your better life World-leading provider of embedded/IoT products and solutions VT-SOM-AH-EVB Wi-Fi HaLow Evaluation Board User Manual Version: 1.4 © Vantron Technology, Inc. All rights reserved. VT-SOM-AH-EVB | User Manual www.vantrontech.com...
- Page 2 Modified the method to log in VantronOS for V1.2 Jan. 20, 2024 the access point in 2.1 V1.3 Updated the description of MQTT messaging Jan. 22, 2024 Modified the wording regarding the access V1.4 Jan. 31, 2024 point setup in 2.1 VT-SOM-AH-EVB | User Manual www.vantrontech.com...
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Page 3: Table Of Contents
CHAPTER 5 DISPOSAL AND WARRANTY .................. 36 Disposal ........................37 Warranty ........................38 Appendix A: AT Commands for EVB Configuration ..............39 Appendix B: Specifications of VT-SOM-AH & HAP 101 ............45 Appendix C: Regulatory Compliance Statement ..............47 VT-SOM-AH-EVB | User Manual www.vantrontech.com... -
Page 4: Foreword
Under no circumstances shall any part of this user manual be copied, reproduced, translated, or sold. This manual is not intended to be altered or used for other purposes unless otherwise permitted in writing by Vantron. Vantron reserves the right of all publicly released copies of this manual. - Page 5 Please refer to the Appendix for Regulatory Compliance Statement. Symbology This manual uses the following signs to prompt users to pay special attention to relevant information. Caution for latent damage to system or harm to personnel Attention to important information or regulations VT-SOM-AH-EVB | User Manual www.vantrontech.com...
- Page 6 The use or placement of the operation tools shall comply with the code of practice of • such tools to avoid short circuit of the EVB. • Cut off the power before inspection of the EVB to avoid human injury or product damage. VT-SOM-AH-EVB | User Manual www.vantrontech.com...
- Page 7 • Clean with a damp cloth Do not try to clean exposed electronic components unless with a dust collector • Power off and contact Vantron technical support engineer in case of the following faults: The EVB is damaged • •...
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Page 8: Chapter 1 Introduction
Vantron Embedded in your success, Embedded in your better life World-leading provider of embedded/IoT products and solutions CHAPTER 1 INTRODUCTION VT-SOM-AH-EVB | User Manual www.vantrontech.com... -
Page 9: Product Overview
1.1 Product Overview The VT-SOM-AH-EVB evaluation board is intended for programmers or developers who seek to reduce the time-to-market of their embedded products designed based on Vantron VT-SOM-AH Wi-Fi HaLow system-on-module. VT-SOM-AH-EVB features a VT-SOM-AH Wi-Fi HaLow system-on-module soldered on a... -
Page 10: Product Layout
• Easy integration to any embedded device • I C, UART, GPIO for flexible expansion • Ultra-low-power, reduced cost & time-to-market 1.3 Product Layout Please refer to the next page for the description of above I/Os. VT-SOM-AH-EVB | User Manual www.vantrontech.com... -
Page 11: Outlines
For connecting a GPS antenna to use the GPS function connector VT-SOM-AH VT-SOM-AH Wi-Fi HaLow module Wi-Fi HaLow For connecting a Wi-Fi HaLow antenna to enhance the signal antenna connector strength GPIO Inputs and outputs for user expansion 1.4 Outlines VT-SOM-AH-EVB | User Manual www.vantrontech.com... -
Page 12: Specifications
1 x Buzzer (5V) Mechanical Dimensions 103mm x 65mm x 11.73mm 12V DC Power Input 1 x DC jack (Over-current protection, reverse polarity protection) Temperature Operating: -20℃ ~ +60℃ Storage: -40℃ ~ +85℃ Environment Condition Humidity 5%~95%RH (Non-condensing) VT-SOM-AH-EVB | User Manual www.vantrontech.com... -
Page 13: Unpacking
Appendix A for the specifications of HAP 101. 1.7 Power Characteristics VT-SOM-AH-EVB is designed to work with 9V ~ 12V DC power input. It is recommended that a 12V/1A power adapter be used. Please refer to Chapter 4 for detailed hardware information. -
Page 14: Chapter 2 Quick Start
Vantron Embedded in your success, Embedded in your better life World-leading provider of embedded/IoT products and solutions CHAPTER 2 QUICK START VT-SOM-AH-EVB | User Manual www.vantrontech.com... -
Page 15: Access Point Setup
HaLow technology when properly configured. It is recommended you use Vantron HAP 101/HAP 103, which supports both 2.4GHz Wi-Fi and Wi-Fi HaLow standards, as the access point. This chapter uses HAP 101 to demonstrate how to connect VT-SOM-AH-EVB to the access point using Wi-Fi HaLow technology. Access Point Setup HAP 101 runs on VantronOS system which is accessible from a host computer via two methods, depending on how the host computer is connected to the Internet. - Page 16 IP for VantronOS login. If you connect the host computer and HAP 101 separately to a router/switch via an Ethernet cable, you shall login VantronOS for HAP 101 using the WAN port IP displayed behind the WAN port in Network > Interfaces; VT-SOM-AH-EVB | User Manual www.vantrontech.com...
- Page 17 7. Set the Wi-Fi mode to AP and configure the SSID, encryption, and password under the General Setting tab, then click the Save & Apply button; 8. You can then proceed to configure the device under the Advanced Setting tab. Note: US is the default country code. VT-SOM-AH-EVB | User Manual www.vantrontech.com...
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Page 18: Evb Setup
Embedded in your success, Embedded in your better life World-leading provider of embedded/IoT products and solutions EVB Setup The VT-SOM-AH-EVB evaluation board is configured using AT commands when connected to a host computer through UART (J7). 2.2.1 Connecting to a host computer 1. -
Page 19: Connecting To A Wi-Fi Halow Access Point
4. Input the password of the access point (AT+PWD=) 5. Set the country code to that of the access point (AT+COUNTRY=) 6. Restart the evaluation board (ATZ) Refer to the example screenshot on the next page. VT-SOM-AH-EVB | User Manual www.vantrontech.com... - Page 20 Please refer to Appendix A AT Commands for EVB Configuration for the common AT commands that may be used in configuring the evaluation board. Section provides a process demo for data communication between the EVB and the access point, with data input from the Micro USB port. VT-SOM-AH-EVB | User Manual www.vantrontech.com...
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Page 21: Chapter 3 Data Communication Demo
Vantron Embedded in your success, Embedded in your better life World-leading provider of embedded/IoT products and solutions CHAPTER 3 DATA COMMUNICATION DEMO VT-SOM-AH-EVB | User Manual www.vantrontech.com... - Page 22 This chapter is going to use VT-SOM-AH-EVB, HAP 101 and an RFID reader (RD905U) to demonstrate the flow of data communication between the devices. Here is a simplified topology where VT-SOM-AH-EVB is in the station mode and HAP 101 is the access point for the Wi-Fi HaLow connection.
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Page 23: Mqtt Message Subscription
MQTT topic to publish to VT-SOM-AH-EVB, followed by the specific message to send) Note: ADDR is the station address of VT-SOM-AH-EVB, and it is set to 1 by default. You can use the ‘AT+ADDR=’ command to change the address. -
Page 24: Usb Data From Evb To Ap
1. Follow the steps in to connect VT-SOM-AH-EVB to HAP 101; 2. Connect the RD905U RFID reader to VT-SOM-AH-EVB using a mini-USB-to-Type-A cable and a USB OTG cable; 3. Use the wireless IP or WAN port IP of HAP 101 to log in VantronOS for HAP 101;... - Page 25 6. Select the enable option from the drop-down list and click Save & Apply to enable the terminal feature; 7. Click the Terminal tab next to the Setting tab, and login the shell of HAP 101 with above username and password; VT-SOM-AH-EVB | User Manual www.vantrontech.com...
- Page 26 Embedded in your success, Embedded in your better life World-leading provider of embedded/IoT products and solutions 8. Access the directory of the rfid program; cd /mnt/USER_SPACE/rfid; 9. Subscribe MQTT messages sent from VT-SOM-AH-EVB; mosquitto_sub -h 172.18.1.1 -t '/Halow/pub/1' (refer to for details) 10.
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Page 27: Serial Communication (Message Publishing From Evb)
Embedded in your success, Embedded in your better life World-leading provider of embedded/IoT products and solutions 3.4 Serial Communication (Message Publishing from EVB) There is an RS232 and an RS485 ports on VT-SOM-AH-EVB. Parameters of RS232 & RS485 ports: Baud rate... - Page 28 5. Navigate to System > Terminal; 6. Select the enable option from the drop-down list and click Save & Apply to enable the terminal feature; Note: This step is not necessary if you have previously enabled the Terminal function. VT-SOM-AH-EVB | User Manual www.vantrontech.com...
- Page 29 7. Click the Terminal tab next to the Setting tab, and login the shell of HAP 101 with above username and password; 8. Access the directory of the rfid program; cd /mnt/USER_SPACE/rfid; 9. Subscribe MQTT messages sent from VT-SOM-AH-EVB; mosquitto_sub -h 172.18.1.1 -t '/Halow/pub/1' (refer to for details) 10.
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Page 30: Message Publishing From Ap
Embedded in your success, Embedded in your better life World-leading provider of embedded/IoT products and solutions 3.5 Message Publishing from AP There is an RS232 and an RS485 ports on VT-SOM-AH-EVB. Parameters of RS232 & RS485 ports: Baud rate Data bit... - Page 31 Note: This step is not necessary if you have previously enabled the Terminal function. 7. Click the Terminal tab next to the Setting tab, and login the shell of HAP 101 with above username and password; VT-SOM-AH-EVB | User Manual www.vantrontech.com...
- Page 32 Vantron Embedded in your success, Embedded in your better life World-leading provider of embedded/IoT products and solutions 8. Publish an MQTT message from HAP 101 to VT-SOM-AH-EVB with the topic of ‘/Halow/sub/1'; mosquitto_pub -h 172.18.1.1 -t '/Halow/sub/1' -m mqtt_sub_test (refer to details) 9.
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Page 33: Chapter 4 Hardware Description
Vantron Embedded in your success, Embedded in your better life World-leading provider of embedded/IoT products and solutions CHAPTER 4 HARDWARE DESCRIPTION VT-SOM-AH-EVB | User Manual www.vantrontech.com... -
Page 34: Power Jack
4.1 Power Jack VT-SOM-AH-EVB is designed to work with 9V ~ 12V DC power input with power supplied via the power jack on the board. It is recommended that a 12V/1A power adapter be used. 4.2 I There is an I2C connector on VT-SOM-AH-EVB for connecting peripherals to allow serial communication with external devices. -
Page 35: Micro Usb
The reset button is designed to restart the board upon a short press. 4.6 Buzzer The buzzer beeps once when the board is powered on. When the board successfully establishes an MQTT connection with an access point, the buzzer will emit a continuous 2-second beep. VT-SOM-AH-EVB | User Manual www.vantrontech.com... -
Page 36: Jtag (J5)
Test data input Test data output 4.8 Debug UART (J7) The board is debugged via this port when connected to a host computer. Pinout description: Signal Description VCC_3.3V 3.3V power output (NC) Transmit signal Receive signal Ground VT-SOM-AH-EVB | User Manual www.vantrontech.com... -
Page 37: Gpio (J6)
Analog-to-digital converter_1_input SPI2_MOSI SPI2_Master output slave input GPIO2 General purpose input and output 2 GPIO3 General purpose input and output 3 GPIO4 General purpose input and output 4 GPIO5 General purpose input and output 5 VT-SOM-AH-EVB | User Manual www.vantrontech.com... -
Page 38: Antenna
Embedded in your success, Embedded in your better life World-leading provider of embedded/IoT products and solutions FDCAN1_TX FDCAN1_transmit FDCAN1_RX FDCAN1_receive Ground Ground 4.10 Antenna The two antenna connectors are designed for connecting a Wi-Fi HaLow antenna (J2) and a GPS antenna (J9). VT-SOM-AH-EVB | User Manual www.vantrontech.com... -
Page 39: Chapter 5 Disposal And Warranty
Vantron Embedded in your success, Embedded in your better life World-leading provider of embedded/IoT products and solutions CHAPTER 5 DISPOSAL AND WARRANTY VT-SOM-AH-EVB | User Manual www.vantrontech.com... -
Page 40: Disposal
& electronic waste recycling/disposal center. Proper disposal of this sort of waste helps avoid harm and adverse effect upon surroundings and people’s health. Please contact local organizations or recycling/disposal center for more recycling/disposal methods of related products. VT-SOM-AH-EVB | User Manual www.vantrontech.com... -
Page 41: Warranty
CUSTOMER’s location and no Product so inspected shall be returned to VANTRON unless the cause for the rejection or defect is determined to be the responsibility of VANTRON. VANTRON shall in turn provide the CUSTOMER turnaround shipment on defective Product within fourteen (14) working days upon its receipt at VANTRON. -
Page 42: Appendix A: At Commands For Evb Configuration
The PWD commands are used to query/set the password of the access point to which the evaluation board intends to connect. Action AT command Description Query AT+PWD? To query the password of available access point To input the password of the access point (max. AT+PWD=xxx 100 characters supported) VT-SOM-AH-EVB | User Manual www.vantrontech.com... - Page 43 The GATEWAY commands are used to query/set the gateway of the evaluation board. Action AT command Description Query AT+GATEWAY? To query the gateway of the evaluation board To set the gateway of the evaluation board AT+GATEWAY=xxx (Valid only when DHCP=0) VT-SOM-AH-EVB | User Manual www.vantrontech.com...
- Page 44 The CONN command is used to query the connection status of the evaluation board to the MQTT Broker. Action AT command Description 0: connection failed Query AT+CONN? 1: connection succeeded Note: There will be a 2-second beep upon successful connection of the device to the MQTT Broker. VT-SOM-AH-EVB | User Manual www.vantrontech.com...
- Page 45 Hungary Norway Bulgaria Ireland New Zealand Switzerland India Poland Cypress Iceland Portugal Czech Republic Italy Romania Germany Japan Sweden Denmark Kenya Singapore Estonia South Korea Slovenia Spain Lithuania Slovakia Luxembourg Turkey Finland Latvia United Kingdom VT-SOM-AH-EVB | User Manual www.vantrontech.com...
- Page 46 16. AT& The AT& command is used to reconnect the evaluation board to the access point when the parameters are modified. Action AT command Description To reconnect the evaluation board to the access Execute AT& point VT-SOM-AH-EVB | User Manual www.vantrontech.com...
- Page 47 18. ATV The ATV command is used to check the firmware version of the evaluation board. Action AT command Description The result is like this: application version: 1.0.1 Execute morse firmware version: rel_1_7_2_2023_Mar_15 morselib version: 1.4.2 VT-SOM-AH-EVB | User Manual www.vantrontech.com...
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Page 48: Appendix B: Specifications Of Vt-Som-Ah & Hap 101
WPA3 including protected management frames (PMF) Dimensions 30.5mm x 24.5mm x 2.99mm Voltage VCC: 3.3V VDD_FEM: 3.3V VCC_WIFI: 3.3V Mechanical Temperature Operating: -40℃ ~ +85℃ Storage: -40℃ ~ +90℃ Humidity Less than 85% RH (non-condensing) Certification FCC, IC, CE VT-SOM-AH-EVB | User Manual www.vantrontech.com... - Page 49 World-leading provider of embedded/IoT products and solutions The EVB is designed to be used in combination with a Wi-Fi HaLow access point. The following sheet lists the specification of Vantron HAP 101 Wi-Fi HaLow access point for your reference. HAP101 MediaTek 580MHz MIPS®...
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Page 50: Appendix C: Regulatory Compliance Statement
Note: The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such modifications could void the user’s authority to operate this equipment. VT-SOM-AH-EVB | User Manual www.vantrontech.com... - Page 51 Industrie Canada. Dans le but de réduire les risques de brouillage radio électrique à l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante. VT-SOM-AH-EVB | User Manual www.vantrontech.com...
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