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March 24, 2025 by Jean-Luc Aufranc (CNXSoft) - 6 Comments

Shelly launches Gen4 multi-protocol smart switch family with Wi-Fi, Bluetooth, Zigbee, and Matter

Shelly Group has just launched its Gen4 multi-protocol smart switch family supporting Wi-Fi, Bluetooth, Zigbee, and Matter protocols for the Smart Home. The company specifically introduced five new products: the Shelly 1 Gen4 one-channel, dry contact smart switch, the Shelly 1PM Gen4 smart switch with power monitoring, Shelly 1 Mini Gen4 compact smart switch for lights and small appliances, the Shelly 1PM Mini Gen4 compact smart switch with power metering, and the upcoming Shelly EM Mini Gen4 energy meter. Let’s have a quick at each product. Shelly 1 Gen4 smart switch Shelly 1 Gen4 specifications: Wireless SoC – ESP-Shelly-C68F Based on ESP32-C6 RISC-V SoC Storage – 8MB flash Wireless – 2.4 GHz WiFi 6, Bluetooth 4.2, and 802.15.4 radio for Zigbee and Matter Wireless parameters WiFi 6 Max. RF power – < 20 dBm Range – Up to 30m indoors, 50m outdoors Bluetooth 4.2 Max. RF power – < 4 […]

March 19, 2025 by Debashis Das - No Comments

Panasonic PAN B511-1C Bluetooth 6.0 and 802.15.4 module features castellated holes and LGA footprint

Panasonic industry has recently introduced the PAN B511-1C Bluetooth 6.0 and 802.15.4 module based on the Nordic Semi nRF54L15 SoC and designed for ultra-low-power wireless communication. The compact module integrates a chip antenna, 32MBit flash memory, two Crystals, and the Nordic nRF54L51 which provides a 128 MHz Arm Cortex-M33 microcontroller with Bluetooth 6.0 (LE), Thread, Zigbee, and Matter, along with multiple peripherals such as SPI, UART, I2S, PWM, and ADC. The PAN B511-1C also implements security features to support secure boot, secure firmware updates, cryptographic acceleration, and tamper detection, making it suitable for a range of IoT, industrial automation, smart home, medical (wearables), and battery-powered applications. PAN B511-1C module specification: SoC – Nordic Semiconductor nRF54L15 MCU cores Arm Cortex-M33 with Arm TrustZone @ 128MHz RISC-V coprocessor for software-defined peripheral Memory – 256KB SRAM Storage – 1.5MB non-volatile memory Wireless Bluetooth 6.0 Data rates – 2Mbps, 1Mbps, 500kbps, 125kbps Features AoA / […]

March 17, 2025March 17, 2025 by Jean-Luc Aufranc (CNXSoft) - 2 Comments

M5Stack Unit Gateway H2 – A tiny ESP32-H2 Thread/Zigbee gateway selling for $6.50

M5Stack’s Unit Gateway H2 is a small Thread/Zigbee gateway powered by the ESP32-H2-MINI-1 module with an 802.15.4 radio for Zigbee 3.0, Thread 1.3, and Matter connectivity. The Unit Gateway H2, also known as Gateway H2 Unit…, can operate as a gateway (e.g. a Thread Board Router) or a terminal device that communicates with a M5Stack device via serial/UART through the Grove interface. It also features a USB-C port for power, firmware flash, and debugging. M5Stack says it’s suitable for smart homes, environmental monitoring, sensor networks, and low-power wireless communication nodes. M5Stack Gateway H2 Unit specifications: Wireless module – ESP32-H2-MINI-1-N2 SoC – Espressif Systems ESP32-H2 CPU – 32-bit RISC-V SoC clocked at up to 96 MHz RAM and storage – 320 KB SRAM, 128 KB ROM, 4 KB LP memory Wireless – 802.15.4 radio with Zigbee 3.0, Thread 1.3, and Matter support. (Note: the ESP32-H2 also supports Bluetooth 5.2 LE/Mesh, […]

March 6, 2025 by Jean-Luc Aufranc (CNXSoft) - 4 Comments

STMicro STM32WBA6 2.4 GHz wireless MCU gets up to 2MB flash, 512KB SRAM, USB OTG, and more

STMicro had two announcements yesterday. I’ve already covered the launch of the ultra-low-power STM32U3 microcontroller family, so today, I’ll check the new 100 MHz STM32WBA6 Cortex-M33 wireless MCU family with 2.4GHz radios for Bluetooth LE 6.0, Zigbee, Thread, and Matter designed for wearables, smart home devices, remote weather sensors, and more. The STM32WBA6 is an evolution of the STM32WBA family introduced last year, especially of the STM32WBA54 and STM32WBA55 with many of the same features SESIP (Security Evaluation Standard for IoT Platforms) Level 3 security certification, but gets more memory and flash with up to 512KB of SRAM and up to 2MB of flash. The new STM32WBA6 family also gains a High-Speed USB OTG interface and extra digital interfaces such as three SPI ports, four I2C ports, three USARTs, and one LPUART. STMicro STM32WBA6 key features and specifications: MCU core – Arm Cortex-M33 at 100MHz with FPU and DSP Memory […]

February 28, 2025 by Debashis Das - 1 Comment

ESP32-C6-based Wi-Fi relay board features six 10A relays, supports Home Assistant, 3D printed enclosure

Seeed Studio’s XIAO 6-Channel Wi-Fi 5V DC Relay is a compact ESP32-C6 Wi-Fi relay board built around the XIAO ESP32C6 module which supports Wi-Fi 6, BLE 5.0, Zigbee, and Thread connectivity. Designed for remote control and automation, the device comes with pre-installed ESPHome firmware and features six independent relay channels, each supporting 10A at 30V DC or 250V AC, making it ideal for simultaneously controlling multiple DC or AC devices. The board also has two grove ports for sensors and actuators, making it suitable for home automation, industrial control, energy management, smart agriculture, and other applications. XIAO 6-Channel Wi-Fi 5V DC Relay Board Specifications Main module – XIAO ESP32C6 SoC – ESP32-C6 CPU Single-core 32-bit RISC-V clocked up to 160 MHz Low-power RISC-V core @ up to 20 MHz Memory – 512KB SRAM, 16KB low power SRAM Storage – 320KB ROM, and 4MB flash Wireless – 2.4 GHz WiFi 6, Bluetooth […]

February 26, 2025 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

Silicon Labs MG26 development kits and SoCs are now available for Matter and multiprotocol Smart Home applications

Silicon Labs MG26 is a new family of Arm Cortex-M33 wireless SoCs designed for Matter or multiprotocol Smart Home applications that provide an update to the MG24 with more memory and storage, additional GPIO, a 4×40 LCD controller, and an integrated AI/ML accelerator. We first covered the new wireless microcontroller family in April 2024, but the company has now published a new press release announcing the general availability of the MG26 microcontrollers, and I also noticed some development kits were now available, so we’ll check those out in this post. Silicon Labs MG26 specifications A reminder of the SoC specifications with highlights in bold showing the improvements or differences against the MG24 family: MCU core – Arm Cortex-M33 @ 78.0 MHz with DSP instruction and floating-point unit Memory – Up to 512 kB RAM data memory Storage – Up to 3200 kB flash program memory AI/ML accelerator – Matrix Vector […]

February 12, 2025February 16, 2025 by Paisit Wongsongsarn - 9 Comments

SONOFF ZBM5 Review – A 3-gang Zigbee Smart Wall Switch tested with eWeLink and Home Assistant

We will be reviewing a smart home device from SONOFF that we recently received right after the New Year, the SONOFF SwitchMan Zigbee Smart Wall (ZBM5). This is SONOFF’s first Zigbee-enabled Smart Wall Switch. In addition to functioning as a smart wall switch, it can also act as a Zigbee Router, making it easier to expand your Zigbee network at home in one shot. One of the key features of the SONOFF ZBM5 is that it can either operate in with-neutral (N) or without-neutral (N) wiring setups. Typically, in the market, we see these as separate models: one for with-neutral and another for without-neutral. This feature adds more flexibility for users, especially those with wiring constraints in their homes. Let’s dive into the details. SONOFF ZBM5 Unboxing Inside the box, you’ll find a user manual, wall plugs, and the switch itself. The model we received has a rectangular shape (120mm) […]

February 5, 2025 by Jean-Luc Aufranc (CNXSoft) - No Comments

Ceva-Waves Links200 IP supports Bluetooth LE High Data Throughput (HDT) up to 7.5 Mbps, 802.15.4 for Zigbee, Thread and Matter

Ceva has recently unveiled the Ceva-Waves Links200 multi-protocol platform IP with support for Bluetooth LE High Data Throughput (HDT) technology up to 7.5 Mbps and IEEE 802.15.4 for Zigbee, Thread, and Matter designed for TSMC’s low-power 12nm process. Released in 2016, Bluetooth 5 upgraded Low Energy implementation with four times the range and twice the speed of Bluetooth 4.0 LE transmission which meant up to 2 Mbps over BLE, and even the latest Bluetooth 6.0 specification does not change that. There’s just a new LE 2M 2BT physical layer for Bluetooth Channel Sounding. So I was intrigued when the press release of the Links200 further read: Addressing the rising market demand for faster, more efficient Bluetooth connectivity, particularly for low-power audio and latency-sensitive IoT applications, the breakthrough High Data Throughput mode more than doubles the speed of traditional Bluetooth, delivering a data rate of up to 7.5 Mbps. For this […]