Author: Jean-Luc Aufranc (CNXSoft)

Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and reviews full time later in 2011.
Posted on by Jean-Luc Aufranc (CNXSoft) - No Comments on M5Stack ATOMS3 Lite is a tiny ESP32-S3 IoT controller with WiFi, Bluetooth, and an infrared transmitter

M5Stack ATOMS3 Lite is a tiny ESP32-S3 IoT controller with WiFi, Bluetooth, and an infrared transmitter

ATOMS3 Lite ESP32-S3 Infrared Transmitter

ATOMS3 Lite is the latest ESP32-S3 IoT platform from the M5Stack Atom series wireless programmable controllers, doing without the 0.85-inch display and IMU sensor  found in the ATOM S3 development kit simply using an RGB LED instead. M5Stack ATOM S3 Lite features the ESP32-S3FN8 WiFi and Bluetooth SoC with 8MB SPI flash, an infrared transmitter, a USB-C port for power and programming, a few I/O pins, user and reset buttons all in just a 24x24x9.5mm housing. ATOMS3 Lite specifications: Wireless MCU – 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 Antenna – Internal “3D” antenna Expansion 9x pins with G5, G6, G7, G8, G38, and G39 GPIOs, 5V, 3.3V, and GND 4-pin Grove connector Misc IR LED (infrared transmitter/blaster) WS2812B-2020 RGB LED Reset and user buttons M.2 […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 4 Comments on Coral Dev Board Micro combines NXP i.MX RT1176 MCU with Edge TPU in Pi Zero form factor

Coral Dev Board Micro combines NXP i.MX RT1176 MCU with Edge TPU in Pi Zero form factor

Coral Dev Board Micro is the latest iteration of Google’s Edge AI devkit with an NXP i.MX RT1176 Cortex-M7/M4 crossover processor/microcontroller coupled with the company’s 4 TOPS Edge TPU, a camera, and a microphone in a board that’s about the size of a Raspberry Pi Zero SBC. The new board follows the original NXP i.MX 8M-based Coral Dev board that was introduced in 2019, and Coral Dev Board mini based on MediaTek MT8167S processor launched in 2020, and keeps with the trend of providing more compact solutions with lower-end host processors for edge AI. Coral Dev Board Micro specifications: MCU – NXP i.MX RT1176 processor with an Arm Cortex-M7 core @ up to 1 GHz, Cortex-M4 core up to 400 MHz, 2MB internal SRAM, 2D graphics accelerators; System Memory – 512 Mbit (64 MB) RAM Storage – 1 Gbit (128 MB) flash memory ML accelerator – Coral Edge TPU coprocessor […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 4 Comments on Nordic Semi nRF7002 DK low-power dual-band WiFi 6 IoT development kit launched for $56 and up

Nordic Semi nRF7002 DK low-power dual-band WiFi 6 IoT development kit launched for $56 and up

Nordic Semi nRF7002 DK is an IoT development kit based on the nRF5340 dual-core Cortex-M33 multi-protocol wireless SoC and nRF7002 companion chip adding low-power dual-band (2.4GHz and 5.0 GHz) WiFi 6 connectivity. When Nordic Semi introduced the nRF7200 dual-band WiFi 6 companion chip for nRF52840 and nRF5340 wireless SoCs and nRF9160 cellular IoT SiP last summer, the “nRF7002-PDK” development kit was only mentioned in passing with a 3D render and not much else. The company has now announced the availability of the nRF7002 DK to help developers create low-power Wi-Fi 6 IoT applications. nRF7002 DK specifications: Wireless MCU – Nordic Semi nRF5340 dual-core Arm Cortex-M33 microcontroller @ 128/64 MHz with 1 MB Flash + 512 KB RAM for the application core and 256 KB Flash + 64 KB RAM for the network core, Bluetooth 5.1 LE with direction-finding support, Bluetooth mesh, NFC, Thread, Zigbee, 802.15.4, ANT, and 2.4 GHz proprietary […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 6 Comments on Beken BK7256 320 MHz dual-core RISC-V IoT MCU offers WiFi 6, Bluetooth 5.2, JPEG video encoder/decoder

Beken BK7256 320 MHz dual-core RISC-V IoT MCU offers WiFi 6, Bluetooth 5.2, JPEG video encoder/decoder

Until now, I had only heard about Beken Bluetooth audio chips, but I’ve just been informed the company is also making WiFi chips such as the BK7256 that are notably found in some Tuya Smart Home modules. Beken offers both RISC-V and Arm WiFi and Bluetooth chips with features summarized as follows: BK7235 single-core RISC-V MCU up to 320 MHz with 2.4 GHz WiFi 6 802.11ax and Bluetooth 5.2 LE, 4MB flash, 512KB SRAM, optional 4MB PSRAM BK7236 dual-core Arm MCU up to 120 to 240 MHh with 2.4 GHz WiFi 6 802.11ax and Bluetooth 5.3 dual mode, 4MB flash, 512KB SRAM, optional 4MB PSRAM BK7237 dual-core RISC-V MCU up to 320 MHz with 2.4 GHz WiFi 6 802.11ax and Bluetooth 5.2 dual mode, 4 or 8MB flash, 512KB SRAM, optional 4MB PSRAM BK7256 dual-core RISC-V MCU up to 320 MHz with 2.4 GHz WiFi 6 802.11ax and Bluetooth 5.2 […]

Posted on by Jean-Luc Aufranc (CNXSoft) - No Comments on Eduponics Mini v2.0 Smart Agriculture IoT kit gets more flash, new sensors, 4-channel valve board (Crowdfunding)

Eduponics Mini v2.0 Smart Agriculture IoT kit gets more flash, new sensors, 4-channel valve board (Crowdfunding)

Eduponics Mini v2.0 is a Smart Agriculture IoT kit based on the ESP32 wireless microcontroller with built-in sensors to measure temperature, humidity, barometric pressure, and ambient light, and interfaces to connect water level and soil moisture sensors. The new board builds upon the Eduponics Mini introduced two years ago, but based on the 8MB flash version of the ESP32-WROVER-B module, a different mix of sensors, a BM8563 RTC module replacing the DS1307 RTC chip, and the addition of Grove connectors for external sensors from companies such Elecrow. Eduponics Mini v2.0 specifications with highlights in bold or strikethrough showing the differences with the first revision of the board: Wireless module – ESP32-WROVER-B module with ESP32 Wi-Fi and Bluetooth SoC, 8MB QSPI flash loaded with MicroPyhon firmware, 8MB SPRAM, PCB antenna Built-in sensors BH1750 I2C light sensor Footprint for BME280 I2C temperature, humidity, and barometric sensor QMP6988 I2C Barometric air pressure sensor […]

Posted on by Jean-Luc Aufranc (CNXSoft) - No Comments on ECS LIVA Q3H mini PC targets video conferencing with HDMI output and input ports

ECS LIVA Q3H mini PC targets video conferencing with HDMI output and input ports

ECS LIVA Q3H is a pocket-sized mini PC with a Jasper Lake mini PC and the company says it is especially suited to video conferencing applications thanks to HDMI output and input ports enabling users to connect it with a guest PC and easily add it to a meeting. The mini PC is equipped with an Intel Pentium Silver N6000, Celeron N5100, or Celeron N4500 processor, comes with up to 4GB RAM and 128GB storage, supports Ethernet and WiFi 5 networking and offers a few USB 3.2/2.0 ports for peripheral expansion. LIVA Q3H mini PC specifications: Jasper Lake SoC (one or the other) Intel Celeron N4500 dual-core processor @ 1.1GHz / 2.8GHz (Burst frequency) with Intel UHD graphics; 6W TDP Intel Celeron N5100 quad-core processor @ 1.1GHz / 2.8GHz (Burst frequency) with Intel UHD graphics; 6W TDP Intel Pentium N6000 Silver quad-core processor @ 1.1 GHz / 3.1GHz (Burst frequency) […]

Posted on by Jean-Luc Aufranc (CNXSoft) - No Comments on FOSSBot open design 3D printed educational robot is made with Raspberry Pi and off-the-shelf parts

FOSSBot open design 3D printed educational robot is made with Raspberry Pi and off-the-shelf parts

FOSSBot is an “open design” 3D printed educational robot comprised of a Raspberry Pi SBC and various off-the-shelf modules, as well as open-source software that can be used for education purposes. The FOSSBot DIY robot has been developed by the Harokopio University of Athens and the Greek Free and Open Source Software (GFOSS) community, and builds upon the “GSOC 2019 – A DIY robot kit for educators” with the main goal being to have a platform to “familiarize teachers with modern education models based on the S.T.E.A.M approach. (Science, Technology, Engineering, Arts, Mathematics)”. FOSSbot key components: SBC – Raspberry Pi Zero W, Raspberry Pi 3, or Raspberry Pi 4. Mechanically and electrically compatible Raspberry Pi alternatives could be an option too although part of the software would have to be modified Storage – 32GB MicroSD card Expansion board – Adafruit Perma-Proto HAT for Pi – No EEPROM to connect sensors […]

Posted on by Jean-Luc Aufranc (CNXSoft) - No Comments on Qualcomm-based Open-Q 2290CS and 4290CS SIPs target industrial IoT and machine vision applications

Qualcomm-based Open-Q 2290CS and 4290CS SIPs target industrial IoT and machine vision applications

Lantronix has just unveiled two new System-in-Packages (SiP) with the entry-level Open-Q 2290CS SIP based on Qualcomm QCS2290 quad-core Cortex-A53 processor designed for industrial IoT applications and safety vehicle equipment control, and the pin-compatible, mid-range Open-Q 4290CS SIP based on Qualcomm QCS4290 octa-core Kryo 260 CPU for applications requiring artificial intelligence and machine learning capabilities. The Open-Q 2290CS module comes with 2GB LPDDR4, 16GB eMMC flash, WiFi 5 and Bluetooth 5.0 connectivity, while the Open-Q 4290CS module is equipped with up to 6GB LPDDR4, up to 256GB eMMC flash., and Wi-Fi 5 with some Wi-Fi 6 features (TWT & 8SS), and Bluetooth 5.1. Lantronix also offers the Open-Q AL2 development kit supporting either both SIP modules for evaluation and rapid prototyping. Open-Q 2290CS – Qualcomm QCS2290 SiP Specifications: SoC – Qualcomm QCS2290 quad-core Cortex-A53 processor at up to 2.0 GHz with Adreno 702 GPU at 845 MHz with support for […]