I’ve recently read several open source software news related to Rigado IoT gateway, starting with Canonical announcement last month, that the gateway would ship with Ubuntu Core starting in summer 2018, and a few days ago it popped up again during Linaro CEO keynote at Linaro Connect HK 2018, as one of the first commercial devices to run the Zephyr OS, specifically its fully open source Bluetooth stack on a Nordic nRF52 chip. Rigado Vesta IoT gateway is not exactly new, as it was first announced in December 2016. The hardware relies on an NXP i.MX 6UL Cortex A7 processor, up to 256MB RAM, 4GB eMMC flash, and includes built-in support for dual band WiFi, Bluetooth Smart, Bluetooth 5/4.2, 802.15.4 (Thread), Fast Ethernet with PoE, as well as optional support for a cellular LTE Cat 1 modem. Rigado gateway hardware specifications: Processor – NXP i.MX6 UltraLite (G3) Arm Cortex A7 […]
IMM-NRF52832-NANO is an Ultra Small nRF52832 Module with Bluetooth 5, ANT+, 30 I/Os
If you have a project requiring a programmable Bluetooth 4.x/5 module that’s as small as possible, Canada based I-Syst may have what you need with their IMM-NRF52832-NANO module measuring just 10 x 7 x 1.6 mm. The module is based on Nordic Semi nRF52832 Arm Cortex-M4F SoC with Bluetooth 5 LE (no long range support) and ANT+ connectivity, and exposes up to 30 I/Os for your project. Specifications: SoC – Nordic Semi nRF52832 32 bits Arm Cortex-M4F @ 64MHz with 512KB Flash, 64KB SRAM, 2.4GHz multi-protocol transceiver Connectivity – Bluetooth 5 LE, ANT+, Type 2 NFC -A Tag with wakeup on field Up to 30x I/Os: 3x SPI Master/Slave 2x 2-wire Master (I2C compatible) UART (CTS/RTS) 3x 4 channel PWM 8x configurable 12 bits, 200 ksps ADC Digital microphone interface Quadrature decoder input Sensors – Temperature sensor Security – AES HW encryption Misc – 32MHz & 32.768KHz crystals, low power […]
Particle Unveils Three nRF52840 Bluetooth 5 Boards: Argon (WiFi), Boron (LTE), and Xenon, as well as Particle Mesh Technology
In the last year or so, Bluetooth has gotten an upgrade with the release of Bluetooth 5. The new protocol works on several existing platforms, but if you want support for the full set of Bluetooth 5 features such as longer range and higher bandwidth, we’ve seen you need a recent chip such as Nordic Semi nRF52840. However so far, AFAIK you had to buy Nordic Semi own development kit for play with nRF52840, and now Particle has announced not one, but three low cost development boards powered by nRF52840 chip starting at just $9, and supporting their newly announced Particle Mesh technology. So for some reasons, it appears they did not go with Bluetooth Mesh. Particle Xenon – Bluetooth 5 + Mesh Xenon is the cheapest model with the following specifications: SoC – Nordic Semiconductor nRF52840 Arm Cortex-M4F 32-bit processor @ 64MHz with 1MB flash, 256KB RAM Storage – […]
Tock Open Source OS for Secure IoT Systems Runs on Arm Cortex-M Microcontrollers
We already have a fair share of open source operating systems running on Arm Cortex-M microcontrollers with FreeRTOS, mbed OS, Zephyr OS, RIOT, and many others. Earlier this morning, as I wrote about the Embedded Linux and IoT Summit 2018, I discovered you can now also add Tock to the list, with the operating system specifically designed for (secure) IoT on Arm Cortex-M MCUs. According to the abstract, Tock aims to enable more secure and extensible IoT systems by using a language sandbox and hardware enforced mechanism to isolate third-party and other untrusted code in the system. The operating systems is comprised of three components: A trusted core kernel written in Rust language with a HAL, scheduler and platform-specific configuration Capsules compiled with the kernel and use Rust’s type and module systems for safety; typically used for drivers & virtualization layers User-space processes using the MPU for hardware protection at runtime; […]
Nordic nRF91 Multimode LTE-M / NB-IoT SiP Embeds Arm Cortex-M33, Arm TrustZone, and Assisted GPS
Nordic Semi will soon launch nRF91 series low power cellular IoT solution, that consists of a system-in-package (SiP) combining a global multimode LTE-M / NB-IoT modem, an Arm Cortex-M33 core, Arm TrustZone security solution, assisted GPS, and flash memory into a 16x10x1.2 mm package. Nordic Semi nRF91 specifications known to far: CPU – Arm Cortex-M33 ARMv8-M host processor Memory / Storage – Built-in RAM and flash Memory Connectivity Multimode LTE-M (eMTC) and NB-IoT modem by Nordic SAW-less transceiver Custom RF front-end solution from Qorvo. Location – Optional assisted GPS combining cellular and GPS technology for fast and accurate positioning Security – Arm TrustZone security via Arm CryptoCell-310 security IP Power Management Package – 16 x 10 x 1.2 mm Nordic Semiconductor nRF91 Series is said to include a complete suite of software and development tools for product development, but no details were provided at this stage. The solution has already […]
Google Announces LoWPAN/Thread Support in Android Things DP 6.1
Not to be confused with LPWAN (Low Power Wide Area Network), LoWPAN (Low Power Wireless Personal Area Network) solutions are designed for peer-to-peer usage on constrained battery-powered devices using standard procotols like HTTP and CoAP. Based on 6LoWPAN and 802.15.4, Thread is one of those LoWPAN standards, and Google has just added API support for configuring and managing LoWPAN as a part of Android Things Developer Preview 6.1, including networking support for Thread. Google explains “these types of low-power connectivity solutions enable Android Things devices to perform edge computing tasks, aggregating data locally from nearby devices to make critical decisions without a constant connection to cloud services”. You can read LoWPAN API guide to learn more details on building your own apps to create and join local mesh networks, but to quickly get started OpenThread running on Nordic Semi RF52840-PDK is recommended. You’ll first need to install the firmware and […]
RAK Wireless Introduces LoRa + BLE Module, LoRa GPS Tracker, and NB-IoT/eMTC Arduino Shield
We’ve previously covered several products from RAK Wireless, including RAK WisCam Arduino compatible Linux camera, RAK CREATOR Pro Ameba RTL8711AM WiFi IoT board, and WisCore modular development kit for application leveraging voice assistants such as Amazon Alexa. AFAIK, the company had not released any new products since their RAK831 LoRa gateway module launched last summer, but they just contact me with the release of three new wireless products, namely RAK813 BLE + LoRa module, RAK811 LoRa tracker board, and WisLTE NB-IoT/eMTC/eGPRS Arduino shield. RAK813 BLE + LoRa module & Development Board Main features and specifications: Connectivity LoraWAN via Semtech SX127x (LoRa) chipset Frequency Ranges 433MHz, 470MHz FCC Frequency range 902~928MHz CE Frequency range 863~870MHz MIC Frequency range 920~928MHz KCC Frequency range 920~923MHz Receiver Sensitivity: LoRa down to -146 dBm TX Power – adjustable up to +14 dBm, max PA boost up to 20dbm Range – Up to 15 km in rural […]
HackaBLE Board is a Tiny, Breadboard-Friendly Bluetooth LE Development Board
Earlier this year, I wrote about Electronut Labs’ Bluey development board powered by Nordic Semi nRF52832 development board with BLE, NFC, and a few sensors, and partially open source hardware with the KiCAD schematics and PCB layout available on Github. The company is now back with another open source hardware nRF52832 BLE board, namely hackaBLE, that’s much smaller (28x18mm), and with 2.54mm pitch castellated pin headers making suitable for use for breadboard, or as a module on a custom designed board. hackaBLE board specifications: SoC – Nordic Semi nRF52832 ANT + BLE ARM Cortex-M4 @ 64 MHz processor with 512kB flash, 64kB RAM Connectivity – Bluetooth 4.2/5 LE and other proprietary 2.4 GHz wireless standards via chip antenna Expansion 2x 9-pin castellated headers with GPIO, 5V, 3.3V, and GND 2x 5-pin solder pads for more I/Os Debugging – 4-pin SWD header Misc – RGB LED, and user button Power Supply […]