Iridium Development Kit Accelerates Hybrid IoT Design

RP2350B bells&whistles development board features on-board RP2040 debugger, HDMI, and microSD card slot

Bảng phát triển RP2350B Bells&Whistles tích hợp sẵn bộ gỡ lỗi RP2040 (Picoprobe), cổng HDMI (qua PicoDVI), khe cắm thẻ microSD, PSRAM 8MB tùy chọn, flash SPI 4MB, 46 chân GPIO và hai cổng USB-C. Bo mạch hỗ trợ nguồn mở (KiCad, sơ đồ trên GitHub) với giá 29,95 USD trên Tindie.

Lập trình viên muốn phát triển ứng dụng trên RP2040 nhưng gặp khó khăn với việc debug và mở rộng hệ thống cần tìm hiểu cách tích hợp RP2350B để tiết kiệm chi phí và tăng hiệu năng với các tính năng như debug built-in, HDMI, và lưu trữ MicroSD.

A BIOS For Your ESP32-C6

Rompass đã phát triển một firmware tương tự BIOS cho vi điều khiển ESP32-C6, cung cấp bootloader và lớp API hỗ trợ tải động các chương trình từ RAM, thậm chí qua mạng. Dự án thể hiện xu hướng xóa nhòa ranh giới giữa vi điều khiển và bộ vi xử lý, xu hướng này sẽ tiếp tục khi các bộ xử lý ứng dụng mạnh mẽ như ESP32-P4 trở nên phổ biến.

Lập trình viên ESP32-C6 nên đọc để khám phá cách mở rộng khả năng quản lý khởi động và chạy ứng dụng động từ RAM hoặc mạng, giúp tối ưu hóa hiệu suất và linh hoạt cho các dự án yêu cầu tính linh hoạt cao hơn.

OpenC6 BIOS project brings PC-like firmware to ESP32-C6 MCU with network boot and OTA update support

OpenC6 BIOS is an open-source project that brings PC BIOS-like architecture to the ESP32-C6 microcontroller. Instead of combining hardware setup and application code into a single firmware image, it separates the base system from application payloads (2–10 KB). Key features include dynamic CPU frequency scaling, a System Call Interface (ABI) for Wi-Fi/crypto/math access without full ESP-IDF, PXE-like network boot over Wi-Fi, A/B OTA updates with rollback, a web-based BIOS setup interface, LP-Core health monitoring using the ESP32-C6's low-power RISC-V core, and Aura Sync RGB support. The project targets ESP32-C6 boards with at least 8MB flash and is available on GitHub under the MIT license.

Increasing Local GPS Accuracy For A Small Robot

Standard GPS receivers only achieve around two-meter accuracy, which is insufficient for precise robotic navigation. RTK (Real-Time Kinematic) GPS solves this by using a base station at a known location to transmit phase-angle correction data to a mobile receiver, enabling centimeter-level accuracy. GreatScott! demonstrates this on a tracked robot platform, placing the base station on a fence post and the RTK receiver on the robot. While the RTK system itself proved accurate enough, the robot's steering hardware and algorithms became the limiting factor for hitting centimeter-sized targets. The setup demonstrates practical applications like autonomous lawn mowing and amateur land surveying.

CSS On The ESP32

The Gea stack enables developers to write CSS and TypeScript for ESP32 microcontrollers, compiling it into native C++ firmware. A demo shows a smooth 3D cube animation running at up to 60 FPS on a 410×502 AMOLED screen with full color and transparency support. It's not a full browser engine — limitations include no hover states, rasterized fonts, and a 512-node UI tree cap — but it lets web developers leverage familiar skills for embedded UI development without major performance loss.

Quectel FCM365X dual-band WiFi 6, BLE 5.4, 802.15.4 IoT module features NXP RW612 MCU, optional PSRAM

Quectel has officially launched the FCM365X, a compact 25.5×18mm IoT module built on the NXP RW612 wireless MCU. It supports dual-band Wi-Fi 6, Bluetooth 5.4 LE, and 802.15.4 (Zigbee, Thread, Matter over Thread), with 8MB SPI flash and optional PSRAM — making it the only RW612-based module currently offering on-module PSRAM. The module exposes a wide range of interfaces (GPIO, UART, USB, I2C, I2S, ADC, LCD, PWM) via LCC+LGA packaging and operates from -40°C to +85°C. Development is SDK-based via QuecOpen; AT command firmware is not available. Two development boards are planned but details and pricing are not yet published.

Rust Foundation Trusted Training Program Launches, Giving Learners a Mark of Quality to Trust

The Rust Foundation has launched the Rust Foundation Trusted Training (RFTT) program, the first formal accreditation for Rust training providers. Accreditation is awarded based on five criteria: credibility and ethical practices, curriculum quality, instructor competence, transparency and accessibility, and learner evaluation and feedback. The founding cohort of five accredited providers includes Mainmatter, Integer 32, Wyliodrin, Doulos, and Ferrous Systems. Accreditation is valid for two years and is open to Rust Foundation member organizations with at least two years in business and one year of Rust training experience. The program aims to give learners, employers, and the developer community a trusted signal for evaluating Rust training quality.