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Realtek RTL8720DN Dual-Band WiFi & BT 5.0 vs ESP32

Realtek RTL8720DN Dual-Band WiFi & BT 5.0 vs ESP32

IoT market ofers wide range of small and efficient modules for Home & Industrial Internet of Things applications, equipped with 2.4GHz Wi-Fi, such as Espressif’s ESP32 or older ESP8266 modules. Additional Bluetooth 4.2/5.0 is often found on those. Dual-band Wi-Fi, on the other hand, is hard to find on low-budget IoT modules. Here comes Realtek RTL8720DN.

Realtek RTL2720DN module, as a part of AmebaD family, comes with ARM Cortex-M4/M0 wireless MCU with support of 802.11 b/g/n Dual-Band Wi-Fi 2.4GHz / 5GHz and extra Bluetooth 5.0 wireless connectivity.

Realtek RTL8720DN Dual-Band WiFi & Bluetooth 5.0 module

Realtek RTL8720DN specifications:

  • Wireless SoC – Realtek RTK8720DN MCU with KM4 Arm Cortex-M4 core @ 200 MHz and KM0 Arm Cortex-M0 core @ 20 MHz
  • Connectivity
    • WiFi
      • 802.11 a/b/g/n WiFi 4
      • Frequency Range – 2.412-2.484GHz & 5.180-5.825GHz
      • Data Rates
        • 802.11a: 6,9,12,18,24,36,48,54Mbps
        • 802.11b: 1,2,5.5,11Mbps
        • 802.11g: 6,9,12,18,24,36,48,54Mbps
        • 802.11n: MCS0–MCS7 @ HT20/HT40 2.4GHz and 5GHz bands
      • AP, Station, AP/Client supported
    • Bluetooth
      • Bluetooth 5.0 LE
      • Receiver Sensitivity: -92 dBm
      • Transmit Power: 7 dBm
    • Antenna – IPEX connector or PCB Antenna
  • I/O – 16x castellated holes with GPIO, 2x UART (AT commands + serial), ADC, I2C, SPI, 4x PWM, 3.3V, GND
  • Power Supply – 3.3±5% V
  • Dimensions – 24 x 16 x 3 mm
  • Temperature Range – Operating: -20°C to 85°C; storage: -40°C to 125°C
  • Relative Humidity – 10%~90% (non-condensing)
  • Certifications – FCC, CE, SRRC, RoHS

Source: https://www.cnx-software.com/2020/01/17/realtek-rtl8720dn-dual-band-wifi-bluetooth-5-0-iot-module/

Bluetooth 5.0 update for ESP32

The Espressif’s flagship ESP32 chip recently passed the SIG Bluetooth LE 5.0 certification. This confirms that the version of the protocol supported by the ESP32 microcontroller has been upgraded from Bluetooth LE 4.2 to Bluetooth LE 5.0, which is more stable and compatible.

The implementation and development of the Bluetooth LE (BLE) application requires not only a system that supports this function, but also an attached Bluetooth LE protocol stack consisting of a driver and a host.

Thanks to Bluetooth LE 5.0 certification, ESP32 SoC not only updates the system as a whole, but also adds new features that improve the latest software after passing more stringent tests than previous certification.

Industrial use of ESP32-based solutions

One of industrial IoT devices, supporting Espressif’s ESP32 technology is eModGATE from TECHBASE. Economical, ESP32-based solution can serve as an end-point in any installation or works well as a gateway, gathering data from scattered sensor mesh across the installation. For more information check Industrial IoT Shop with all the configuration options for eModGATE.

eModGATE with ESP32
Check eModGATE options
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Bluetooth LE 5.0/5.1 comming soon to ESP32-based controller

Bluetooth LE 5.0/5.1 comming soon to ESP32-based controller

The Espressif’s flagship ESP32 chip recently passed the SIG Bluetooth LE 5.0 certification. This confirms that the version of the protocol supported by the ESP32 microcontroller has been upgraded from Bluetooth LE 4.2 to Bluetooth LE 5.0, which is more stable and compatible.

The implementation and development of the Bluetooth LE (BLE) application requires not only a system that supports this function, but also an attached Bluetooth LE protocol stack consisting of a driver and a host.

Bluetooth 5.0 update for ESP32

Thanks to Bluetooth LE 5.0 certification, ESP32 SoC not only updates the system as a whole, but also adds new features that improve the latest software after passing more stringent tests than previous certification.

Due to hardware limitations, ESP32 does not support such functions of Bluetooth LE 5.0 as 2M PHY, LE Long Range, and ADV Extensions.

It is also worth mentioning that the combination of Bluetooth and Mesh networking is expected to become a key technology for the Internet of Things. A  Bluetooth® Mesh network enables a „many-to-many” relationship among potentially thousands of wireless devices, where data are transmitted not in a direct radio range but in wide physical areas. Espressif’s contribution in this field is the ESP-BLE-MESH, which got fully certified by Bluetooth SIG in September 2019.

Bluetooth LE 5.0/5.1 comming soon to ESP32-based controller
Source: https://www.espressif.com/en/news/BLE_5.0_Certification

Several Bluetooth-operated products on the market, such as wearable devices, smart speakers, cleaning robots, smart lights/sockets, etc., provide evidence that Bluetooth 5.0 and the Bluetooth Mesh networking technology are mature enough to drive the development of interconnected IoT devices. To this end, Espressif’s chips and ESP-BLE-MESH, in particular, are designed to help customers develop easily secure and cost-effective products for smart homes, smart buildings, healthcare, new automobiles and other smart industries.

Source: https://www.espressif.com/en/news/BLE_5.0_Certification

Industrial use of ESP32-based solutions

One of industrial IoT devices, supporting Espressif’s ESP32 technology is eModGATE from TECHBASE. Economical, ESP32-based solution can serve as an end-point in any installation or works well as a gateway, gathering data from scattered sensor mesh across the installation. For more information check Industrial IoT Shop with all the configuration options for eModGATE.

eModGATE with ESP32
Check eModGATE options
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Arduino ESP32 Serial Port to TCP Converter via WiFi

Arduino ESP32 Serial Port to TCP Converter via WiFi

TECHBASE posted new class, in which you will create serial port to TCP converter using Arduino code running on ESP32 processor. We will use one of device which uses such processor: Moduino X ESP32. For TCP communication WiFi module will be used.

You will need:

  • Moduino X2 (may be also X1) ESP32 device (check this website to find out more)
  • PC with Linux operating system
  • socat application
  • RS-232/RS-485 port in your computer or USB to RS-232/RS-485 converter (for programmming and testing)

Introduction

In example, data sent to serial port (which is used as terminal port in regular Micropython ESP32 device) will be send via WiFi using TCP protocol. It also decodes incomming TCP packets and writes them to serial port. Then virtual serial port can be opened for that TCP packets and perform serial communication. We will use socat application for that.

You can read the complete tutorial at Hackster.io:

READ MORE

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SIMCom NB-IoT modems now available in Industrial IoT Shop

SIMCom SIM7000G

TECHBASE’s Industrial IoT devices, ModBerry & Moduino series supports latest SIMCom global-band SIM7000G eMTC & NB-IoT Module. Now the latest SIM7000G as well as 7000E / 7000A versions of modem are available at IIoT-Shop.

SIMCom SIM7000G

Our ModBerry / Moduino devices equipped with latest SIM7000G modem are perfect for industrial automation solutions, e.g. data logging, metering, telemetrics, remote monitoring, security and data management through all Industrial IoT applications.

Supported bandwidths:

    • Global-Band LTE CAT-M1:  B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B26/B28/B39;
    • Global-Band LTE CAT NB-IoT1:  B1/B2/B3/B5/B8/B12/B13/B17/B18/B19/B20/B26/B28;
    • GPRS/EDGE 850/900/1800/1900Mhz Control Via AT Commands

Supported data transfer:

    • LTE CAT-M1(eMTC) – Uplink up to 375kbps, Downlink up to 300kbps
    • NB-IoT – Uplink up to 66kbps, Downlink up to 34kbps
    • EDGE Class – Uplink up to 236.8Kbps, Downlink up to 236.8Kbps
    • GPRS – Uplink up to 85.6Kbps, Downlink up to 85.6Kbps

You can browse wireless modem category here: https://iiot-shop.com/product-category/modems/

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Economical Moduino X3 with ESP32 on-board available NOW

Moduino X3 ESP32

New version of Moduino ESP32, model X3 designed for various economical applications

Moduino X3 model offers new approach to Industrial IoT by upgrading mainboard elements to ensure high performance and ultra-low cost of implementation. In comparison with X2 version, new X3 limits additional ExCard expansion modules, drasticly changing the price of the device, but maintaining the 3-terminal I/Os of previous model. An important change is providing opto-isolation for DIO interface (optionally interchangeable with Relay interface for that I/O).

New version of Moduino ESP32, model X3 is designed for various economical applications, such as Industrial IoT installations, data management & remote edge-devices control. Basic configurations of X3 can be purchased for a price even lower than X1/X2 models for development purposes. Please contact our Sales Department (via Chat or e-mail) to get best price for these devices.

To read more about Industrial Moduino X solution, check here: PDF datasheet

Full comparison below:

Moduino ESP32 Comparison

To order configurable devices, choose Moduino X3 option in Moduino X product configurator here:
https://iiot-shop.com/product/moduino/

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Moduino X with ESP32-WROVER-B now available for purchase

ESP32-WROVER-B

Upgraded Espressif’s ESP32 module platform for Moduino X

Espressif, a manufacturer of popular ESP32-based IoT solutions, has developed a new version of the ESP32-WROVER module, called ESP32-WROVER-B. Updated module, in addition to the dual-core LX6 microprocessor, has now twice the amount of RAM, compared to previous version of the WROVER module. The ESP32 module can work with Pseudo Static RAM. Up to now, modules with up to 4MB RAM have been the most common. Recently Espressif Systems introduced a new ESP32-WROVER-B module, which is equipped with up to 8MB pSRAM.

ESP32-WROVER-B

The new module is compatible with TECHBASE’s Moduino X series of IIoT devices. The system works with MicoPython, ESP-IDF (freemask based on FreeRTOS with light-weight Internet Protocol), Mongoose OS, Zephyr Project and is Arduino compatible. ESP32-WROVER-B is based on the ESP32-D0WD system with dimensions 5 x 5 mm, which replaced the earlier ESP32-D0WDQ6 (6 x 6 mm). The ESP32-D0WD model has 2 CPU cores that can be controlled independently. The CPU clock frequency can also be configured in the range of 80 to 240 MHz.

Updated Moduino X with ESP32-WROVER-B also comes with variety of Flash Memory available: 4MB and 16MB.

To read more about Industrial Moduino X solution, visit: https://moduino.techbase.eu/

To order sample devices, loor for  ESP32-WROVER-B option in Moduino X product configurator module:

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Moduino ESP32 controller now powered with Pycom modules

New base platforms for Moduino device

Revised version of TECHBASE’s Moduino edge controller offers now support and compatibility with wide range of Pycom’s compute modules with built-in communication interfaces, e.g. LoRa, Sigfox, NarrowBand-IoT / LTE cat. M1/NB1 and WiFi/BT4.2, similarly to standard Moduino devices, powered by Espressif’s ESP32-WROVER module.

With new Moduino platform you can choose from variety of Pycom modules to power the unit, in order to receive specific wireless features. At the present day Moduino supports these models:

    • WiPy 3.0 with WiFi & Bluetooth 4.2
    • SiPy with WiFi/BT and Sigfox
    • LoPy4 with WiFi/BT and LoRa, Sigfox
    • GPy with WIFi/BT and NarrowBand-IoT / LTE cat.M1/NB1
    • FiPy with WIFi/BT and LoRa, Sigfox, NarrowBand-IoT / LTE cat.M1/NB1

If physical network connection is a must, you can always choose standard Moduino ESP32 with Ethernet expansion module to ensure communication via LAN. Of course the possibility to choose wired-to-wireless communication is also available with the Moduino configurator.

All Pycom-based Moduino solutions are compatible with wide range of interface expansions for standard Moduino ESP32 platform, e.g. RS-232/485, Analog I/Os, Digital I/Os, Relay, CAN and many more, including SuperCap & OLED screen options. You can find the whole list of available expansions here: https://iiot-shop.com/product/moduino/

To read more about Industrial Moduino X solution, visit: https://moduino.techbase.eu/

BUY NOW

 

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New ModBerry M2000 based on Aaeon’s UP Squared x86 board

UP Board Squared ModBerry M2000

First Industrial IoT device based on UP Board

In 2017, the first unit that entered the ModBerry series was a device called ModBerry M1000, utilizing the capabilities of Aaeon’s UP Board platform. The solution uses Quad-core Intel Atom x5-Z8350 processor with 4x 1.44GHz frequency (boost up to 4x 1.92GHz), up to 4GB RAM and 64GB eMMC on board. The platform also features USB 3.0 and Gigabit Ethernet 10/100/1000Mbps for faster communication and supports various operating systems, e.g.: full distribution of Microsoft Windows 10 Pro/Home/IoT, Microsoft Windows 10 IoT Core, Linux and Android.

To read more about Industrial ModBerry solutions, visit: https://iot-industrial-devices.com/

New base platform for Industrial ModBerry device

New addition to TECHBASE’s Industrial IoT Ecosystem is Modberry M2000, powered by Aaeon’s UP Squared development platform, to maximise the performance of Gateway Layer and provide the best data management for end-point layer, built with Industrial Moduino ESP32 devices.

ModBerry M2000 is an industrial computer series designed for the needs of automation, telecommunications, remote supervision and monitoring. ModBerry M2000 comes a choice of processor: Dual-Core Intel N3350 2×2.4GHz or Quad-Core Intel N4200 4×2.5GHz, 2/4/8GB and 16/32/64/128GB eMMC on-board with possibility to expand the storage even further with SATA3 & M.2 slot.

ModBerry M2000 platform can be extended with supported ExCard modules, including physical industrial interfaces: RS-232/485 ports, Digital I/Os, Analog I/Os, Relay, Ethernet, 1-Wire, USB, CAN; and wide range of wireless communication modules: Wi-Fi, Bluetooth GPRS/3G/LTE, for energy-efficient NarrowBand-IoT/LTE cat. M1/NB1, GPS, Wireless M-Bus, LoRa, ZigBee and many more.

ModBerry device and be equipped with dedicated iMod software platform to support standard protocol, such as MQTT, MODBUS, SNMP, M-Bus and many custom protocols. iMod – an innovative software platform allowing for quick start-up and full exploitation of device capabilities without the need for writing programs. A fully configurable system is reflecting typical C-L-V (Convert-Log-Visualize) use. Of course, the PLC software for creation of algorithms in the ladder system with the capability of operation on ModBerry device services the MODBUS protocol is also available.

To order sample devices, visit our new Industrial IoT Shop and ask our Sales Department via chat about new ModBerry M2000: 

BUY NOW

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Moduino X now with ESP32-WROVER-B support

ESP32-WROVER-B

Upgraded Espressif’s ESP32 module platform for Moduino X

Espressif, a manufacturer of popular ESP32-based IoT solutions, has developed a new version of the ESP32-WROVER module, called ESP32-WROVER-B. Updated module, in addition to the dual-core LX6 microprocessor, has now twice the amount of RAM, compared to previous version of the WROVER module. The ESP32 module can work with Pseudo Static RAM. Up to now, modules with up to 4MB RAM have been the most common. Recently Espressif Systems introduced a new ESP32-WROVER-B module, which is equipped with up to 8MB SPI PSRAM.

ESP32-WROVER-B

The new module is compatible with TECHBASE’s Moduino X series of IIoT devices. The system works with MicoPython, ESP-IDF (freemask based on FreeRTOS with light-weight Internet Protocol), Mongoose OS, Zephyr Project and is Arduino compatible. ESP32-WROVER-B is based on the ESP32-D0WD system with dimensions 5 x 5 mm, which replaced the earlier ESP32-D0WDQ6 (6 x 6 mm). The ESP32-D0WD model has 2 CPU cores that can be controlled independently. The CPU clock frequency can also be configured in the range of 80 to 240 MHz.

Updated Moduino X with ESP32-WROVER-B also comes with variety of Flash Memory available: 4MB, 8MB and 16MB.

To read more about Industrial Moduino X solution, visit: https://moduino.techbase.eu/

To order sample devices, visit our new Industrial IoT Shop and ask our Sales Department via chat about new Moduino X with ESP32-WROVER-B module:

BUY NOW

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Connection protocols & MQTT data management solutions

Various data connection protocols & MQTT data management solutions

To take full advantage of the TECHBASE’s Industrial IoT Ecosystem’s capabilities, you can build your own installation, depending on project requirements, choosing from variety of Gateways (Gateway Layer) to control data collected from an array of Moduino edge devices (Sensor Layer). Moduino can be programmed in one of open software platforms, e.g. MicroPython to gather the data and send it, using MQTT standard protocol, further to Gateway and/or cloud service.

Both Moduino ESP32 and Pycom-based Moduino supports open & free libraries, shared by Pycom, tested and approved by constantly growing ESP32/Arduino community. TECHBASE company has plans to provide an open-source platform for managing services & remote configuration and control of endpoint Moduino devices using MicroPython.

MQTT Data Management

Wide range of protocol support

All TECHBASE’s solution can be empowered with iMod software incl. protocol support for industrial interfaces, e.g. M-Bus, Modbus, SNMP, MQTT. iMod software works seamlessly with Node-RED using MQTT protocol, allowing use of bacnet and direct control over devices I/Os with Google’s platform-neutral protobuf – extensible mechanism for serializing structured data and zeroMQ controls to connect the code in any modern language, on any platform. The protocol drivers library can be expanded with CODESYS development system to support PROFIBUS, CANopen, EtherCAT, PROFINET and EtherNet/IP.

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