Arduino

Posted on by Jean-Luc Aufranc (CNXSoft) - 2 Comments on LILYGO T-Connect Pro industrial IoT controller offers Ethernet, WiFi, Bluetooth, LoRa, RS232, RS485, and CAN Bus

LILYGO T-Connect Pro industrial IoT controller offers Ethernet, WiFi, Bluetooth, LoRa, RS232, RS485, and CAN Bus

LILYGO T-Connect-Pro ESP32-S3 LoRa Industrial Controller

LILYGO T-Connect Pro is a DIN rail-mountable, ESP32-S3-based industrial IoT controller with Ethernet, WiFi 4, Bluetooth 5.0 LE, and LoRa connectivity, as well as CAN Bus, RS232, and RS485 interfaces. The controller also features a 2.33-inch touchscreen display, a 10A relay, a 12V to 24V DC screw terminal for power, 5V USB-C port for programming, a Qwiic connector for expansion, and BOOT and Reset buttons. LILYGO T-Connect Pro specifications: SoC – Espressif ESP32-S3R8 CPU – Dual-core Tensilica LX7 microcontroller up to 240 MHz with vector instructions for AI acceleration Memory – 8MB PSRAM Wireless – WiFi 4 and Bluetooth 5.0 LE + Mesh connectivity Storage – 16MB SPI flash Display – 2.33-inch RGB display with 480×222 resolution via ST7796 SPI display controller with touchscreen using CST226SE chip Networking 10/100Mbps Ethernet RJ45 port via W5500 4-wire SPI controller WiFi 4 and Bluetooth 5.0 LE via ESP32-S3 LoRa via HPD16A Semtech SX1262 […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 6 Comments on Tropic Square TROPIC01 is an auditable, open architecture, tamper-proof RISC-V secure element (SE) for IoT and microcontrollers

Tropic Square TROPIC01 is an auditable, open architecture, tamper-proof RISC-V secure element (SE) for IoT and microcontrollers

TROPIC01 open RISC-V secure element

Tropic Square TROPIC01 is an auditable, open architecture, tamper-proof RISC-V based secure element (SE) designed to interface with microcontrollers in products such as hardware wallets, authentication solutions, biometric wallets, medical devices, and other IoT solutions. There are plenty of secure elements on the market, but their design is usually closed-source, so the design can’t be easily verified by third parties and flaws may remain hidden even when discovered.  With its open designs, potentially flaws in the TROPIC01 can easily be found, disclosed, and fixed by the community, and such verifiable design improved trust in the security of the solution. TOPIC01 secure element specifications: CPU core – RISC-V IBEX Controller Core with secure firmware updates and customizable FW upon request Memory OTP to store x.509 certificate and keys Flash to store general purpose and PIN verification data Memory address scrambling On-the-fly encryption Error correction code protection Communication Interface SPI application control […]

Posted on by Debashis Das - 1 Comment on ESP32-C6-based Wi-Fi relay board features six 10A relays, supports Home Assistant, 3D printed enclosure

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

ESP32 C6 Wi Fi relay board

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 […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 1 Comment on STMicro expands the STM32C0 Cortex-M0+ MCU family with STM32C051, STM32C091, and STM32C092 (with CAN FD)

STMicro expands the STM32C0 Cortex-M0+ MCU family with STM32C051, STM32C091, and STM32C092 (with CAN FD)

STMicro Nucleo-64 board with STM32C092RC MCU

STMicro first introduced the STM32C0 32-bit Arm Cortex-M0+ MCU family as an 8-bit MCU killer in 2023, followed by the STM32C071 adding USB FS and designed for appliances with graphical user interfaces (GUI). The company has now added three new parts with the STM32C051, STM32C091, and STM32C092. The STM32C051 is similar to the original STM32C031 but adds more storage (64KB vs 32KB) and is offered in packages with up to 48 pins, while the STM32C09x parts offer flash densities up to 256 KB in packages up to 64 pins, and the STM32C092 also gains a CAN FD interface. The STM32C09x parts can be seen as an update to the STM32C071 where more flash memory is needed. That’s 30 new SKUs bringing the total to 55 when different packages and flash memory size/RAM size options are taken into account. The STM32C051 offers the same maximal amount of SRAM as the STM32C031 […]

Posted on by Debashis Das - 4 Comments on MaTouch SmartKnob Assembled ESP32-based rotary knob with touchscreen display sells for $69

MaTouch SmartKnob Assembled ESP32-based rotary knob with touchscreen display sells for $69

Makerfabs MaTouch SmartKnob

Makerfabs has recently released “MaTouch SmartKnob Assembled” based on the SmartKnob View open-source hardware design but enclosed in a plastic case. As a reminder, the SmartKnob View is an ESP32-S3-based DIY rotary knob built around a BLDC motor. With clever software and engineering, the motor is so configured that it can do software configurable detents, haptic feedback, magnetic encoder, and more. It also has a round LCD touchscreen, and USB-C, and features a convenient 3D enclosure that can also be attached to your wall with some sticky pull tabs. The SmartKnob View was a great concept, but its DIY nature made it difficult for many people to get their hands on one as it was never manufactured in quantities. The MaTouch SmartKnob Assembled solves this issue by building upon the original design and comes fully assembled for immediate use. The original module integrates a 240×240 round LCD and uses an […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 1 Comment on Build a four-wheel RC car with ESP32-CAM board and off-the-shelf parts

Build a four-wheel RC car with ESP32-CAM board and off-the-shelf parts

ESP32 CAM robot car with off-the-shelf parts

While there are plenty of ESP32-based wireless-controlled robot cars with a built-in camera, like the PiCar-X 2.0 or Zeus Car, it might be more fun and rewarding to build something yourself. That’s exactly what Matt Sroufe did by building his own RC car using off-the-shelf parts and an ESP32-CAM board and writing firmware for it. To get started with the build, you’ll need six main components: A 4-wheel car chassis – $47.49 on AliExpress Electronic speed controller  – $5.27 on AliExpress. Matt selected the 30A version with green PCB. Dual-battery holder for about $2 on AliExpress 2x 18650 3.6V cells or 7.4V batteries purchased locally ESP32-CAM board with an external antenna and the 160° FoV camera – About $14 with board, camera, and external antenna. Bluetooth gamepad such as a PS4 controller The total should be around $80 with the batteries assuming you already own a Bluetooth gamepad. You’ll need […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 1 Comment on CPico RP2350 is another Raspberry Pi Pico 2 alternative with USB-C, 8MB flash, 2MB PSRAM, BConnect I2C & debug ports

CPico RP2350 is another Raspberry Pi Pico 2 alternative with USB-C, 8MB flash, 2MB PSRAM, BConnect I2C & debug ports

iLabs CPico RP2350

iLabs CPico RP2350 is a Raspberry Pi Pico 2 alternative with the same form factor, still based on the Raspberry Pi RP2350 microcontroller but equipped with a USB-C port, 8MB flash, 2MB PSRAM, a Reset button, and Bconnect I2C and debug ports. Apart from that, the CPico RP2350 retains the other features of the Raspberry Pi Pico 2 including the two 20-pin PGIO headers, and BOOT button. It joins other Raspberry Pi Pico 2 alternatives like the Waveshare RP2350-Plus adding battery support. CPico RP2350 specifications: SoC – Raspberry Pi RP2350 CPU Dual-core Arm Cortex-M33 @ 150 MHz with Arm Trustzone, Secure boot Dual-core RISC-V Hazard3 @ 150 MHz Up two cores can be used at any given time Memory – 520 KB on-chip SRAM Security 8KB of anti-fuse OTP for key storage Secure boot (Arm only) SHA-256 acceleration Hardware TRNG Fast glitch detectors Package – QFN-60 Memory – 2 MP […]

Posted on by Debashis Das - 2 Comments on Pimoroni Interstate 75 W (RP2350) board is designed for HUB75 LED matrix panels

Pimoroni Interstate 75 W (RP2350) board is designed for HUB75 LED matrix panels

Interstate 75 W RGB LED Matrix Driver board

Pimoroni Interstate 75 W (RP2350) is an all-in-one RGB LED matrix driver board designed for HUB75 LED matrix panels commonly used in video walls, advertising displays, and creative signage. Built around a Raspberry Pi RP2350 chip this board also uses the Raspberry Pi’s CYW43439 module for Wi-Fi and Bluetooth and features user buttons, an RGB LED, and a Qw/ST connector for integration with Qwiic/STEMMA QT breakouts. The kit is compatible with various LED matrix sizes (32×32, 64×64, etc.) and comes in a starter kit with panels, cables, and magnetic feet for quick setup. All these features make this kit useful for applications including real-time data like bus times, air quality, or sensor outputs, dynamic signage, scrolling text, and more. Pimoroni Interstate 75 W (RP2350) specifications: SoC – Raspberry Pi RP2350A CPU Dual-core Arm Cortex-M33 @ 150 MHz with Arm Trust zone, Secure boot OR Dual-core RISC-V Hazard3 @ 150 MHz Up […]

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