wifi News - Page 31 of 114 - CNX Software

March 6, 2023 by Jean-Luc Aufranc (CNXSoft) - 2 Comments

Elfin-EW11 is a compact WiFi to RS485 unit with Modbus TCP support

Elfin EW11/EW11A is a small WiFi to RS485 unit with Modbus TCP/IP support that works either in the 5 to 18V DC (EW11) or the 5 to 36V DC (EW11A) input range. The WiFi to RS485 adapter is offered with either an internal or external WiFi antenna, the RS485 interface is exposed through an RJ45 port, and an RJ45 to terminal block cable is usually included, as well as a DIN Rail mount. Elfin EW11/EW11A specifications: MCU (I’m not sure which one is used, and the specs depend on where you look..) Unnamed Arm Cortex-M3 microcontroller @ 96 MHz with 2MB flash, 128KB SRAM (on the product page) OR Unnamed microcontroller @ up to 160MHz with 2MB flash, 352KB SRAM (on Aliexpress) Networking Wireless – 2.4 GHz WiFi 4 with up to WPA2PSK security, station, AP, or station+AP modes; internal or external WiFi antenna depending on the model. Wired – […]

March 4, 2023 by Jean-Luc Aufranc (CNXSoft) - 3 Comments

IoT board supports WiFi, Bluetooth, NB-IoT, Cat-M and GNSS with ESP32-S3 and SIM7080G modules

LILYGO T-SIM7080G-S3 is an ESP32-S3 WiFi and Bluetooth IoT board with a SIMcom SIM7080G LTE Cat-M (eMTC), NB-IoT, and GNSS module for low-power long-range connectivity and asset tracking. The board also comes with a 18650 battery holder, a solar panel input, a microSD card slot, a camera port, and several I/Os and provides an alternative to the TTGO T-Beam ESP32 board that relies on LoRaWAN for long-range connectivity instead. LILYGO T-SIM7080G-S3 specifications: Wireless modules Espressif ESP32-S3-WROOM-1-N16R8 module with ESP32-S3 dual-core LX7 microprocessor @ up to 240 MHz with Vector extension for machine learning, 16MB flash, 8MB PSRAM, WiFi 4 and Bluetooth 5 LE/Mesh SIMCom SIM7080G global multi-band Cat-M and NB-IoT module with GNSS Bands: Cat-M – B1/B2/B3/B4/B5/B8/B12/B13/B14/B18/B19/B20/B25/B26 /B27/B28/B66/B85 NB-IoT – B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B25/B26/B28 /B66/B71/B85 Data rate Cat-M – Uplink: 1,119 Kbps, downlink: 589 Kbps NB-IoT: Uplink: 150 Kbps downlink: 136 Kbps LTE RF Power Class: 5 (Typ. 21dbm) GNSS – GPS, GLONASS, […]

March 1, 2023March 1, 2023 by Jean-Luc Aufranc (CNXSoft) - 21 Comments

LILYGO T-TWR is an ESP32-S3 board with an SA868 Walkie-Talkie module

LILYGO T-TWR is an ESP32-S3 development board fitted with an SA868 Walkie-Talkie module and a UHF or VHF antenna, a speaker, a microphone, a small 0.96-inch OLED, and a 18650 battery holder, plus some I/Os for expansion. Equipped with an ESP32-S3-WROOM-1-16NR8 module, the T-TWR offers WiFi 4 and Bluetooth 5.0 connectivity, a dual-core processor with 16MB flash and 8MB PSRAM, and enables users to design their own Walkie-Talkie, while its expansion capabilities allow the control of devices. LILYGO T-TWR specifications: Wireless module – Espressif ESP32-S3-WROOM-1-N16R8 module with ESP32-S3 dual-core LX7 microprocessor @ up to 240 MHz with Vector extension for machine learning, 16MB FLASH, 8MB PSRAM, WiFi 4 and Bluetooth 5 LE/Mesh Display – 0.96-inch OLED with 128×64 resolution based on SSD1306 I2C display driver SA868 Walkie-Talkie module based on RDA1846S chip Bandwidth: 12.5 kHz/25 kHz Sensitivity: -124 dBm Support 1.6W or 1.8W mode. The latter is not recommended due […]

February 26, 2023February 28, 2023 by Jean-Luc Aufranc (CNXSoft) - 5 Comments

ePulse Feather ESP32 development board is optimized for low power consumption (in deep sleep)

Thingpulse ePulse Feather is an ESP32 development board following Adafruit’s Feather form factor and optimized for low power with 12 to 27 uA deep sleep power consumption. The board is based on the ESP32-WROVER with 8MB Flash and 8MB SPRAM and comes with a USB-C connector for charging the battery and programming through a CH9102F UART chip, as well as the I/Os headers provided by the Feather form factor. The board can be especially useful in battery-operated WiFi remote controls for home automation or other purposes that sleep most of the time until the user presses one of the buttons. ThingPulse ePulse Feather specifications: Wireless module – Espressif Systems ESP32-WROVER-E-N8R8 module with ESP32-D0WD-V3 or ESP32-D0WDR2-V3 dual-core microcontroller @ 240 MHz with 8MB QSPI flash, 8MB QSPI PSRAM USB – 1x USB Type-C port for power/charging and programming via CH9102F UART to TTL chip. Expansions – 12-pin + 16-pin headers with […]

February 23, 2023March 16, 2023 by Jean-Luc Aufranc (CNXSoft) - 11 Comments

SONOFF MINI Extreme (MINIR4) ESP32 WiFi smart switch can fit into most gang boxes

SONOFF MINI Extreme (aka MINIR4) is a ridiculously small WiFi smart switch based on ESP32 wireless microcontroller and designed to be connected to a load such as a light bulb and a wall switch that can be a momentary switch, a door exit switch, an SPDT switch, a latching switch, or even dry contact sensors. The tiny form factor (39.5×33 x16.8mm) enables the WiFi smart switch to fit into various boxes, even the smaller European gang boxes. Just like other SONOFF home automation devices, the MINIR4 works with eWelink mobile app, but it also implements some new interesting features such as the ‘Detach Relay’ mode. SONOFF MINI Extreme (MINIR4) specifications: MCU – Espressif Systems ESP32 dual-core wireless microcontroller Connectivity 2.4 GHz WiFi 4 Bluetooth LE used for pairing Input – 100-240V ~ 50/60Hz 10A Max Output – 100-240V ~ 50/60Hz 10A Max (resistive load) Dimensions – 39.5 x 33 x […]

February 13, 2023 by Jean-Luc Aufranc (CNXSoft) - 5 Comments

M5Stamp S3 WiFi and BLE IoT module offers up to 23 GPIOs through 2.54mm and 1.27mm pitch holes

M5Stamp S3, aka M5Stamp ESP32S2 or Stamp S3, is a tiny ESP32-S3 WiFi & Bluetooth LE (BLE) IoT module with a USB Type-C port, over 20 I/Os available through 2.54mm and 1.27mm pitch headers and castellated holes, and a heat-resistant cover. Many of the “new” ESP32-S3 hardware platforms launches these days are often updates from an ESP32 design, and the M5Stack’s M5Stamp S3 is no exception building on the original M5Stamp Pico, and its ESP32-C3 variants, namely M5Stamp C3 and C3U. M5Stamp S3 specifications: WiSoC – Espressif Systems ESP32-S3FN8 dual-core 32-bit Xtensa LX7 microcontroller with AI vector instructions up to 240MHz, RISC-V ULP co-processor, 512KB SRAM, 2.4GHz WiFi 4 (802.11b/g/n), Bluetooth 5.0 BLE + Mesh, 8MB flash as found in the M5Stack ATOMS3 (Lite). Connectivity 2.4 GHz WiFi 4, 20 MHz and 40 MHz bandwidth, IEEE 802.11 b/g/n protocol, up to 150 Mbps Bluetooth 5, Bluetooth Mesh, with supports for […]

February 8, 2023February 8, 2023 by Jean-Luc Aufranc (CNXSoft) - No Comments

Eoxys Xeno+ Nano ML board combines NuMicro M2354 or STM32L4 MCU with Talaria TWO ultra low power WiFi & BLE 5.0 module

Eoxys Xeno+ Nano ML is a wireless machine learning (ML) board with either Nuvoton NuMicro M2354 or STMicro STM32L4 microcontroller, InnoPhase IoT’s Talaria TWO ultra-low power Wi-Fi and BLE 5.0 module, and the Syntiant Core 2 NDP120 neural decision processor we first noticed in the Arduino Nicla Voice module a few weeks ago. The boards/modules are designed for intelligent and secure IoT devices for smart home, industrial, and medical automation applications, and the company claims it can be used in Wi-Fi IoT sensors with up to 10+ years thanks to the low-power chips and circuitry used in the design. Eoxys Xeno+ Nano ML specifications: General purpose MCU (one or the other) STMicro STM32L4 Arm Cortex-M4 microcontroller at 80MHz with 1MB flash, 128KB/352KB SRAM Nuvoton NuMicro M2354 Arm Cortex-M23 microcontroller at 96MHz with 1MB flash, 128KB SRAM. Wireless module Innophase Talaria TWO ultra-low-power 2.4GHz 802.11b/n/g WiFi 4 and Bluetooth LE 5.0 […]

February 6, 2023 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

Robustel R5020 Lite 5G router targets industrial applications

Robustel R5020 Lite is an industrial 5G router with 4G LTE Cat 18 fallback, two Gigabit Ethernet ports and WiFi 5 connectivity, as well as features such as an RS232 or RS485 serial port, wide 12-36V DC power input, and support for an extended temperature range. The company says the R5020 Lite is especially well suited for “Enterprise / SD-WAN applications as a ‘5G managed modem’”, and it can also be used as a backup for fixed line broadband, for primary broadband access, as well as for Industrial IoT (IIoT) applications like industrial automation, autonomous robots, and Smart Transportation applications. Robustel R5020 Lite 5G router specifications: SoC – Undisclosed System Memory – “Available for SDK”: 128MB RAM Storage – “Available for SDK”: 5MB flash Connectivity Cellular – 5G/4G/3G Global frequency bands 5G: NR SA/NSA: n1/n2/n3/n5/n7/n8/n12/n13/n14/n20/n25/n26/n28/n29/n30/n38/n40/n41/n48/n66/n71/n75/n76/n77/n78/n79 4G LTE FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B17/B18/B19/B20/B25/B26/B28/B29/B30/B32/B66/B71 LTE TDD: B34/B38/B39/B40/B41/B42/B43/B48 LAA: B46 (only supports 2 x 2 MIMO) […]