Arduino

Posted on by Jean-Luc Aufranc (CNXSoft) - No Comments on Valtrack V4 is a programmable 4G LTE GPS vehicle tracker with ESP32-C3 Bluetooth & Wi-Fi SoC (Crowdfunding)

Valtrack V4 is a programmable 4G LTE GPS vehicle tracker with ESP32-C3 Bluetooth & Wi-Fi SoC (Crowdfunding)

Valtrack V4

Valetron Systems VALTRACK-V4-VTS-ESP32-C3 (or Valtrack V4 for short) is a 4G LTE GPS vehicle tracker based on ESP32-C3 WiFi and Bluetooth SoC and a SIMCom SIM7672 cellular and GNSS module. Designed to track bicycles, cars, or trucks, the Valtrack V4 GPS tracker is housed in an IP67 waterproof enclosure, takes 12V to 42V DC input from a lead battery or 3.7-4.2V from a backup LiPo or Li-Ion battery, and features an accelerometer to wake up when motion is detected or detect theft, as well as three RGB LEDs for status.   Valtrack V4 specifications: Wireless MCU – Espressif ESP32-C3FH4 CPU – 32-bit RISC-V microcontroller @ up to 160 MHz; Memory – 400 KB SRAM Storage – 4 MB flash Wireless – 2.4 GHz Wi-Fi 4  & Bluetooth 5.0 Cellular and GNSS connectivity SIM7672G 4G LTE Cat 1 module with Global LTE band, 2G fallback, and GNSS support Nano SIM card […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 1 Comment on MicroSui lightweight, open-source C framework brings the Sui Network to microcontrollers

MicroSui lightweight, open-source C framework brings the Sui Network to microcontrollers

MicroSui

MicroSui (Sui Embedded Framework) is a lightweight, modular, open-source C framework that brings the Sui Network to microcontrollers from low-end 8-bit MCUs like AVR to more powerful 32-bit SoCs like the ESP32. Wait… What’s the Sui Network / Protocol exactly? It’s a blockchain platform designed for high-speed, scalable, and low-cost decentralized applications, which was introduced in May 2023 by Mysten Labs, a company founded by former Meta engineers. It competes with networks like Solana and Ethereum but with better performance. So far, the Sui Network works with web and mobile applications, but MicroSui aims to expand its usage to resource-constrained embedded devices. We’re told MicroSui provides support for all core operations such as key management, transaction construction, signing, and broadcast. It is a pure-C library with no OS dependency or dynamic memory usage, so it can be deployed on a wide range of microcontrollers. Higher-end microcontrollers with Internet access, such […]

Posted on by Debashis Das - No Comments on Renesas RA2L2 – The first low-power MCU with USB-C Revision 2.4 support

Renesas RA2L2 – The first low-power MCU with USB-C Revision 2.4 support

Renesas RA2L2 group of low power MCUs

Renesas RA2L2 is the world’s first low-power MCU to support the USB-C Revision 2.4 standard with 15W CC detection, USB FS support. It also offers support for CAN Bus, I3C, and low-power UART. The announcement follows other devices from the Renesas RA series, such as the RA2A2 Arm Cortex-M23 MCU introduced in 2024, and the RA4L1 ultra-low-power MCU unveiled earlier this year with just 168 µA/MHz operation, dual-bank flash, and capacitive touch. The RA2L2 Cortex-M23 microcontroller also embeds up to 128KB of code flash, 16KB SRAM, and 4KB data flash for EEPROM-like storage. It supports a wide 1.6V to 5.5V supply voltage and an industrial-grade -40°C to +125°C temperature range. The MCU also integrates a ±1% high-accuracy on-chip oscillator, multiple timers including 16-bit and 32-bit PWM and low-power asynchronous timers, a 12-bit ADC, a real-time clock, and an internal temperature sensor. It’s available in 32- to 64-pin packages and offers […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 4 Comments on $6.5 RAK11160 LoRaWAN, WiFi, and BLE module pairs ESP32-C2 with STM32WLE5 for low-power, long-range IoT

$6.5 RAK11160 LoRaWAN, WiFi, and BLE module pairs ESP32-C2 with STM32WLE5 for low-power, long-range IoT

RAK11160 ESP32-C2 STM32WL LoRaWAN module

RAKwireless RAK11160 is a new low-cost, low-power LoRaWAN, WiFi 4, and Bluetooth LE module based on ESP32-C2 (ESP8684) wireless microcontroller and STM32WLE5 LoRa SoC for LPWAN IoT applications. The company noticed that many people would combine their STMicro STM32WL-based RAK3172 WisDuo LoRaWAN module with an ESP32 module to add WiFi and/or Bluetooth connectivity to their projects besides LoRaWAN. So RAKwireless decided to offer a module combining both STM32WL and ESP32-C2 to offer a cheap and much more compact solution to their customers. RAK1160 was born. RAwireless RAK11160 specifications: LPWAN SoC/SiP – STMicro STM32WLE5 Core – Arm Cortex-M4 MCU @ 48 MHz Memory – 64 KB RAM Storage – 256 KB flash memory with ECC Wireless  – Sub-GHz radio based on Semtech SX126x LoRaWAN 1.0.4 specification compliant Supported bands – EU433, CN470, IN865, EU868, AU915, US915, KR920, RU864, and AS923 LoRaWAN Activation by OTAA/ABP LoRa Point-to-Point (P2P) communication Tx Power Output – […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 3 Comments on Arduino UNO SPE Shield adds Single Pair Ethernet and RS485 to Arduino boards

Arduino UNO SPE Shield adds Single Pair Ethernet and RS485 to Arduino boards

Arduino UNO SPE Shield

Arduino UNO SPE Shield adds Single Pair Ethernet (SPE) and RS485 to Arduino UNO and compatible boards, notably the Arduino UNO R4, via a Microchip LAN8651 SPE controller. Single Pair Ethernet relies on just two wires to carry data and power, allowing for much more compact designs and simpler wiring compared to traditional RJ45-based solutions with Cat 5 cables. It especially benefits IoT and IIoT applications for buildings, factories, and process automation. Arduino UNO SPE specifications: Networking – Single Pair Ethernet (SPE) via Microchip LAN8651B1 10BASE-T1S MAC-PHY Ethernet Controller with SPI Data rate: 10 Mbit/s over a single balanced pair T1SP and T1SN available on screw terminal block Dedicated T1S SPE connector Maximum Distance – Supports up to 25 meters in multidrop topology (multiple nodes on a single segment) Up to eight nodes in a multidrop network Serial – RS485 via MaxLinear XR33058 Half duplex RS485 Data rate: 20 Mbit/s […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 1 Comment on Raspberry Pi 5-based portable AI learning platform features 41 modules, supports Arduino Nano, RPi Pico, and Micro:bit boards (Crowdfunding)

Raspberry Pi 5-based portable AI learning platform features 41 modules, supports Arduino Nano, RPi Pico, and Micro:bit boards (Crowdfunding)

CrowPi 3

CrowPi 3 is a Raspberry Pi 5-powered all-in-one portable AI learning and development platform with a 4.3-inch touchscreen display, plenty of plug-and-play electronic modules, a breadboard area, and support for Arduino Nano, Raspberry Pi Pico, and BBC Micro:bit MCU boards for expansion. It’s basically another take on the CrowPi 2 laptop based on the Raspberry Pi 4 with similar modules placed under the keyboard, but in a different form factor. The CrowPi 3 portable learning platform replaces the 11.6-inch Full HD display with a 4.3-inch display and does away with the keyboard, but is equipped with a more powerful Raspberry Pi 5 SBC capable of handling real-time AI tools such as ChatGPT and LLaMA (with smaller, distilled models). CrowPi 3 specifications: Main Board – Raspberry Pi 5 SBC Compatible MCU boards Arduino Nano boards BBC Micro:bit boards Raspberry Pi Pico boards Display – 4.3-inch IPS touchscreen display with 800×480 resolution […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 4 Comments on ESP32-P4 Smart 86 Box features 4-inch square touch display for Smart Home and IIoT applications

ESP32-P4 Smart 86 Box features 4-inch square touch display for Smart Home and IIoT applications

ESP32-P4 Smart 86 Box

Designed for Smart Home or industrial IoT (IIoT) applications, Waveshare’s ESP32-P4 Smart 86 Box is equipped with a 4-inch square touchscreen display, an ESP32-C6 module with WiFi 6 and Bluetooth connectivity, and a range of connectors. Two models are offered: the ESP32-P4-WIFI6-Touch-LCD-4B with a MIPI CSI camera connector and a 28-pin GPIO header, and the ESP32-P4-86-Panel-ETH-2RO with a bottom board that features an RS485 serial interface, two relays, a 10/100Mbps Ethernet RJ45 connector, and 6V-30V DC input. ESP32-P4 Smart 86 Box specifications: Main module – ESP32-P4-Core Module Microcontroller – ESP32-P4NRW32 MCU Dual-core RISC-V microcontroller @ 400 MHz with AI instructions extension and single-precision FPU Single-RISC-V LP (Low-power) MCU core @ up to 40 MHz GPU – 2D Pixel Processing Accelerator (PPA) VPU – H.264 and JPEG codecs support Memory – 768 KB HP L2MEM, 32 KB LP SRAM, 8 KB TCM, 32MB PSRAM Storage – 128 KB HP ROM, 16 […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 3 Comments on Battery-powered SQUiXL devkit pairs 4-inch touchscreen display with ESP32-S3 WiFi and Bluetooth SoC

Battery-powered SQUiXL devkit pairs 4-inch touchscreen display with ESP32-S3 WiFi and Bluetooth SoC

Unexpected Maker SQUiXL

Unexpected Maker’s SQUiXL is a battery-powered ESP32-S3 WiFi and Bluetooth IoT controller and development platform with a 4-inch touchscreen display with 480×480 resolution. Designed for makers, hardware engineers, embedded developers, and home automation enthusiasts, the SQUiXL integrates with 8MB PSRAM and a 16MB SPI flash for plenty of resources for the firmware. Other features include a microSD card, an amplifier with speaker connector, a haptic driver and motor, an RTC, and a STEMMA/Qt connector for expansion. SQUiXL specifications: WiSoC – Espressif Systems ESP32-S3 CPU – Dual-core Tensilica LX7 @ up to 240 MHz with vector instructions for AI acceleration Memory – 512KB RAM Wireless – 2.4 GHz WiFi 4 and Bluetooth 5.0 LE + Mesh Memory – 8MB octal PSRAM Storage 16MB QSPI flash MicroSD card slot (multiplexed with audio amplified) Display – 4-inch 480×480 RGB display with capacitive touch (GT911) Audio MAX98357A I2S Audio Amplifier (multiplexed with microSD card […]

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