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lupyuen

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Creating the Unicorn Emulator for Avaota-A1 SBC (Apache NuttX RTOS)

Inside Arm64 MMU: Unicorn Emulator vs Apache NuttX RTOS

Porting Apache NuttX RTOS to Avaota-A1 SBC (Allwinner A527 SoC)

PR Test Bot for PinePhone (Apache NuttX RTOS)

StarPro64 EIC7700X RISC-V SBC: Maybe LLM on NPU on NuttX?

QEMU Test Bot for Pull Requests: Beware of Semihosting Breakout (Apache NuttX RTOS)

Test Bot for Pull Requests ... Tested on Real Hardware (Apache NuttX RTOS / Oz64 SG2000 RISC-V SBC)

Auto-Rewind for Daily Test (Apache NuttX RTOS)

Rust Standard Library on Apache NuttX RTOS

Fixing a uname bug (Apache NuttX RTOS)

Forgejo Git Forge for Apache NuttX RTOS (Experimental)

Git Bisecting a Bug (Apache NuttX RTOS)

Mastodon Server for Continuous Integration (Apache NuttX RTOS)

Buy a Coffee for Lup Yuen Lee

Failing a Continuous Integration Test for Apache NuttX RTOS (QEMU RISC-V)

Rewinding a Build for Apache NuttX RTOS (Docker)

macOS Build Farm for Apache NuttX RTOS (Apple Silicon)

Continuous Integration Dashboard for Apache NuttX RTOS (Prometheus and Grafana)

Optimising the Continuous Integration for Apache NuttX RTOS (GitHub Actions)

Your very own Build Farm for Apache NuttX RTOS

LLM Bot that reviews Pull Requests for Apache NuttX RTOS

Continuous Integration for Apache NuttX RTOS

Early Days of Rust Apps on Apache NuttX RTOS

RISC-V Emulator for Sophgo SG2000 SoC (Pine64 Oz64 / Milk-V Duo S)

Daily Automated Testing for Milk-V Duo S RISC-V SBC (IKEA TRETAKT / Apache NuttX RTOS)

Apache NuttX RTOS on Sophgo SG2000 RISC-V SoC (Milk-V Duo S / Oz64 SBC)

Rust Apps on Ox64 BL808 RISC-V SBC and Apache NuttX RTOS

Rust Custom Target for QEMU RISC-V on Apache NuttX RTOS

Rust Apps on Apache NuttX RTOS and QEMU RISC-V

Too many Embedded Logs? PureScript might help (Ox64 BL808 SBC / Apache NuttX RTOS)

(Homage to MakeCode) Coding Ox64 BL808 SBC the Drag-n-Drop Way

QuickJS JavaScript Engine on a Real-Time Operating System (Apache NuttX RTOS)

Zig runs ROM FS Filesystem in the Web Browser (thanks to Apache NuttX RTOS)

TCC RISC-V Compiler runs in the Web Browser (thanks to Zig Compiler)

Automated Testing with Ox64 BL808 Emulator (Apache NuttX RTOS)

Emulate Ox64 BL808 in the Web Browser: Experiments with TinyEMU RISC-V Emulator and Apache NuttX RTOS

Apache NuttX RTOS in a Web Browser? Adventures with TinyEMU and VirtIO

Nim on a Real-Time Operating System: Apache NuttX RTOS + Ox64 BL808 SBC

$8 RISC-V SBC on a Real-Time Operating System: Ox64 + NuttX

Fixed the UART Interrupt and Platform-Level Interrupt Controller (Ox64 BL808)

RISC-V Ox64 BL808 SBC: UART Interrupt and Platform-Level Interrupt Controller (PLIC)

RISC-V Ox64 BL808 SBC: NuttX Apps and Initial RAM Disk

RISC-V Ox64 BL808 SBC: Sv39 Memory Management Unit

RISC-V Ox64 BL808 SBC: Starting Apache NuttX Real-Time Operating System

Ox64 BL808 RISC-V SBC: Booting Linux and (maybe) Apache NuttX RTOS

Star64 JH7110 RISC-V SBC: Experiments with OpenSBI (Supervisor Binary Interface)

Strange Workaround for TFTP Timeout in U-Boot Bootloader (Star64 JH7110 RISC-V SBC)

(Slides) Apache NuttX RTOS for PINE64 PinePhone

(Video) Apache NuttX RTOS for PINE64 PinePhone

(Slides) PinePhone Touchscreen on NuttX: Handling MIPI DSI, Display Engine and I2C Touch Input

(Video) PinePhone Touchscreen on NuttX: Handling MIPI DSI, Display Engine and I2C Touch Input

(Slides) LVGL in WebAssembly: Building NuttX Touchscreen Apps with Zig and testing them in the Web Browser

(Video) LVGL in WebAssembly: Building NuttX Touchscreen Apps with Zig and testing them in the Web Browser

RISC-V Star64 JH7110: Power Up the Display Controller with U-Boot Bootloader

RISC-V Star64 JH7110: Inside the Display Controller

(Slides) What's inside a Smartphone? Exploring the internals with Apache NuttX Real-Time Operating System

(Video) What's inside a Smartphone? Exploring the internals with Apache NuttX Real-Time Operating System

RTOS on a RISC-V SBC: Star64 JH7110 + Apache NuttX

Star64 JH7110 + NuttX RTOS: Creating the First Release for the RISC-V SBC

Star64 JH7110 + NuttX RTOS: RISC-V PLIC Interrupts and Serial I/O

Star64 JH7110 + NuttX RTOS: RISC-V Semihosting and Initial RAM Disk

Star64 JH7110 + NuttX RTOS: RISC-V Privilege Levels and UART Registers

Star64 JH7110 RISC-V SBC: Boot from Network with U-Boot and TFTP

Apache NuttX RTOS on RISC-V: Star64 JH7110 SBC

Booting RISC-V Linux on Star64 JH7110 SBC

Inspecting the RISC-V Linux Images for Star64 SBC

64-bit RISC-V with Apache NuttX Real-Time Operating System

NuttX RTOS for PinePhone: The First Year

(Slides) TinyEMU RISC-V Emulator for Apache NuttX RTOS

(Video) TinyEMU RISC-V Emulator for Apache NuttX RTOS

(Slides) Adventures of Ox64 BL808 RISC-V SBC with Apache NuttX RTOS

(Video) Adventures of Ox64 BL808 RISC-V SBC with Apache NuttX RTOS

(Slides) Analysis of Real-Time Logs for Apache NuttX RTOS with PureScript

(Video) Analysis of Real-Time Logs for Apache NuttX RTOS with PureScript

NuttX RTOS for PinePhone: Feature Phone UI in LVGL, Zig and WebAssembly

(Possibly) LVGL in WebAssembly with Zig Compiler

Recipe for Wholemeal Sourdough with Bread Machine

Inside a Smartphone Accelerometer: PinePhone with NuttX RTOS

NuttX RTOS for PinePhone: Phone Calls and Text Messages

NuttX RTOS for PinePhone: 4G LTE Modem

NuttX RTOS for PinePhone: Simpler USB with EHCI (Enhanced Host Controller Interface)

(Clickable) Call Graph for Apache NuttX Real-Time Operating System

(Possibly) Emulate PinePhone with Unicorn Emulator

NuttX RTOS for PinePhone: Exploring USB

NuttX RTOS for PinePhone: LVGL Terminal for NSH Shell

Apache NuttX RTOS trips ChatGPT

NuttX RTOS for PinePhone: Boot to LVGL

NuttX RTOS for PinePhone: Touch Panel

NuttX RTOS for PinePhone: What is it?

NuttX RTOS for PinePhone: Framebuffer

NuttX RTOS for PinePhone: LCD Panel

NuttX RTOS for PinePhone: Display Engine

NuttX RTOS for PinePhone: MIPI Display Serial Interface

Preparing a Pull Request for Apache NuttX RTOS

NuttX RTOS for PinePhone: Render Graphics in Zig

Rendering PinePhone's Display (DE and TCON0)

NuttX RTOS for PinePhone: Display Driver in Zig

Understanding PinePhone's Display (MIPI DSI)

NuttX on a RISC-V IoT Gadget: PineDio Stack BL604

Visual Programming with Zig and NuttX Sensors

Simpler, safer LVGL Touchscreen Apps with Zig and NuttX

NuttX RTOS for PinePhone: Blinking the LEDs

NuttX RTOS for PinePhone: UART Driver

NuttX RTOS for PinePhone: Fixing the Interrupts

PinePhone boots Apache NuttX RTOS

Apache NuttX RTOS on Arm Cortex-A53: How it might run on PinePhone

Visual Programming with Zig and NuttX Sensors

Zig Visual Programming with Blockly

Read NuttX Sensor Data with Zig

Build an LVGL Touchscreen App with Zig

Build a PinePhone App with Zig and zgt

Build an IoT App with Zig and LoRaWAN

Zig on RISC-V BL602: Quick Peek with Apache NuttX RTOS

(Mostly) Automated Testing of Apache NuttX RTOS on PineDio Stack BL604 RISC-V Board

NuttX GPIO Expander for PineDio Stack BL604

NuttX Touch Panel Driver for PineDio Stack BL604

PineDio Stack BL604 runs Apache NuttX RTOS

ST7789 Display with LVGL Graphics on Apache NuttX RTOS

Rust talks I2C on Apache NuttX RTOS

Apache NuttX Driver for BME280 Sensor: Ported from Zephyr OS

Connect IKEA Air Quality Sensor to Apache NuttX OS

BL602 EFlash Loader: Reverse Engineered with Ghidra

Auto Flash and Test NuttX on RISC-V BL602

Rust on Apache NuttX OS

Encode Sensor Data with CBOR on Apache NuttX OS

LoRaWAN on Apache NuttX OS

LoRa SX1262 on Apache NuttX OS

SPI on Apache NuttX OS

Apache NuttX OS on RISC-V BL602 and BL604

PineDio LoRa Gateway: Testing The Prototype

Build a Linux Driver for PineDio LoRa SX1262 USB Adapter

Monitor IoT Devices in The Things Network with Prometheus and Grafana

CBOR Payload Formatter for The Things Network

Internal Temperature Sensor on BL602

IoT Digital Twin with Roblox and The Things Network

Encode Sensor Data with CBOR on BL602

Grafana Data Source for The Things Network

The Things Network on PineDio Stack BL604 RISC-V Board

LoRaWAN on PineDio Stack BL604 RISC-V Board

Rust on RISC-V BL602: Rhai Scripting

PineDio Stack BL604 RISC-V Board: Testing The Prototype

Rust on RISC-V BL602: Simulated with WebAssembly

Rust on RISC-V BL602: Is It Sunny?

RISC-V BL706 Audio Video Board

Reverse Engineering WiFi on RISC-V BL602

Machine Learning on RISC-V BL602 with TensorFlow Lite

BL602 Bootloader

Simulate RISC-V BL602 with WebAssembly, uLisp and Blockly

uLisp and Blockly on PineCone BL602 RISC-V Board

PineCone BL602 Talks LoRaWAN

Build a LoRaWAN Network with RAKwireless WisGate Developer Gateway

Run Rust RISC-V Firmware with BL602 IoT SDK

PineCone BL602 RISC-V Board Receives LoRa Packets

RAKwireless WisBlock talks LoRa with PineCone BL602 RISC-V Board

Connect PineCone BL602 to LoRa Transceiver

The RISC-V BL602 Book

PineCone BL602 Talks UART to Grove E-Ink Display

PineCone BL602 Blasting Pixels to ST7789 Display with LVGL Library

PineCone BL602 talks SPI too!

PineCone BL602 talks to I2C Sensors

Mynewt GPIO ported to PineCone BL602 RISC-V Board

Control PineCone BL602 RGB LED with GPIO and PWM

Flashing Firmware to PineCone BL602

Porting Mynewt to PineCone BL602

Better Open Source Advocate

Debug Rust on PineCone BL602 with VSCode and GDB

Connect PineCone BL602 to OpenOCD

Quick Peek of PineCone BL602 RISC-V Evaluation Board

(UNFINISHED) Draw your own PineTime Watch Face... From WebAssembly to Embedded Rust

Create Your Own PineTime Watch Face in Rust... And Publish on crates.io

Bluetooth Time Sync and LVGL on PineTime Mynewt

Porting PineTime Watch Face from C to Rust On RIOT with LVGL

Safer, Simpler Embedded Programs with Rust on RIOT (Presentation)

Safer, Simpler Embedded Programs with Rust on RIOT (Video)

Preview PineTime Watch Faces in your Web Browser with WebAssembly

Build PineTime Firmware in the Cloud with GitHub Actions

Wayland and LVGL on PinePhone with Ubuntu Touch

(UNFINISHED) Auto Convert Go to Dart with an Abstract Syntax Tree

Flutter State Management with Bloc for PineTime Companion App

PineTime doesn't run Linux... But that's OK!

Your First GTK App with Go and VSCodium

Convert Go to Flutter and Dart for PineTime Companion App

Your First Bluetooth Low Energy App with Flutter

Porting MicroPython and wasp-os to Mynewt on PineTime Smart Watch (nRF52)

Wireless Firmware Update In Action on PineTime Smart Watch (nRF52)

MCUBoot Bootloader for PineTime Smart Watch (nRF52)

Configure Mynewt for SPI Flash on PineTime Smart Watch (nRF52)

Firmware Update over Bluetooth Low Energy on PineTime Smart Watch

CHIP-8 Game Emulator in Rust for PineTime Smart Watch

Visual Rust for PineTime Smart Watch

My First Week As Embedded FOSS Advocate

Debug RIOT-OS on PineTime with VSCode

If you’re in the East, please consider Rust!

Debug Rust+Mynewt Firmware for PineTime on Raspberry Pi

OpenOCD on Raspberry Pi: Better with SWD on SPI

Build and Flash Rust+Mynewt Firmware for PineTime Smart Watch

Optimising PineTime’s Display Driver with Rust and Mynewt

Porting [druid] Rust Widgets to PineTime Smart Watch

My 5-Year IoT Mission

Hey GD32 VF103 on RISC-V: I surrender… For now

Building a Rust Driver for PineTime’s Touch Controller

Sneak Peek of PineTime Smart Watch… And why it’s perfect for teaching IoT

Porting Apache Mynewt OS to GigaDevice GD32 VF103 on RISC-V

Bluetooth Mesh with nRF52 and Apache Mynewt

Coding nRF52 with Rust and Apache Mynewt on Visual Studio Code

Build an NB-IoT GPS Tracker on STM32 L476 with Apache Mynewt and Embedded Rust

Quick Peek of Huawei LiteOS with NB-IoT on Ghostyu NB-EK-L476 Developer Kit (STM32L476RCT6)

Low Power NB-IoT on STM32 Blue Pill with Apache Mynewt and Embedded Rust

Visual Embedded Rust Programming with Visual Studio Code

Advanced Topics for Visual Embedded Rust Programming

Rust Rocks NB-IoT! STM32 Blue Pill with Quectel BC95-G on Apache Mynewt

Connect STM32 Blue Pill to NB-IoT with Quectel BC95-G and Apache Mynewt

Get Started with NB-IoT and Quectel modules

Visual Programming with Embedded Rust? Yes we can with Apache Mynewt and Google Blockly!

Safer, Simpler Embedded Rust with Apache Mynewt on STM32 Blue Pill

Hosting Embedded Rust apps on Apache Mynewt with STM32 Blue Pill

Build Your IoT Sensor Network — STM32 Blue Pill + nRF24L01 + ESP8266 + Apache Mynewt + thethings.io

Super Blue Pill — Like STM32 Blue Pill, But Better!

Connect STM32 Blue Pill to ESP8266 with Apache Mynewt

Create your IoT gadget with Apache Mynewt and STM32 Blue Pill

Push AWS IoT sensor data to Redshift with Kinesis Firehose

Transform and Import a JSON file into Amazon Redshift with AWS Glue

Connecting AWS Lambda Node.JS to Redshift or PostgreSQL? Try AWS Lambda Layers!

STM32 Blue Pill — Bootloading the WebUSB Bootloader

STM32 Blue Pill — Dissecting the WebUSB Bootloader for MakeCode

STM32 Blue Pill — Unit Testing with Qemu Blue Pill Emulator

STM32 Blue Pill – Shrink your math libraries with Qfplib

STM32 Blue Pill — Analyse and Optimise Your RAM and ROM

STM32 Blue Pill USB Bootloader — How I fixed the USB Storage, Serial, DFU and WebUSB interfaces

STM32 Blue Pill Visual Programming with MakeCode, CODAL and libopencm3

Sigfox Teacher Answers Your Questions

以 thethings.iO 來將 BBC micro:bit 感測器圖形化

Visualising BBC micro:bit sensors with thethings.iO

連接 BBC micro:bit 與 Sigfox 物聯網

Connect BBC micro:bit to Sigfox

連接 STM32F103C8T6 Blue Pill 開發板與 Sigfox 物聯網

Connect STM32 Blue Pill to Sigfox

Watch STM32 Blue Pill Juggle Two SPI Sensors With DMA

Program Your First FPGA With GOWIN GW1N-4

Juggling STM32 Blue Pill For Arduino Jugglers

Juggling Sigfox Downlink And Arduino Sensors With cocoOS

Juggling Arduino Sensors With cocoOS

Why use FPGA for IoT? Here’s what I think…

Coding the STM32 Blue Pill with Rust and Visual Studio Code

Making my first ever PCB with Seeed Fusion PCB assembly service

Running Rust and FreeRTOS on the PADI IoT Stamp

First Impressions of Alibaba Cloud (Aliyun)

Multitasking on the Arduino with a Finite State Machine – And why you’ll need it for Sigfox Downlink

Realtime sensor data processing with thethings.io and Amazon Web Services Kinesis

I Teach IoT. Here’s what you’ll learn

Developing cost-effective, energy efficient IoT solutions for outdoor as well as indoor applications

How To Build Your Sigfox Server (Version 1.0)

Story of the UnaShield

IoT is a Bad Word

Overcoming Productivity Challenges in the F&B Industry

Sigfox and Google Cloud Platform

Patent: Enlargement of video content streamed from the internet

Patent: A system and method for providing mobile services