Lup Yuen Lee 李立源 @lupyuen@qoto.org

"Writing GUI apps for #Windows is painful" (ImGui)

https://tulach.cc/writing-gui-apps-for-windows-is-painful/

Inside a $1 Radar Motion Sensor (RCWL-0516)

https://10maurycy10.github.io/projects/motion_sensor_hacking/

Motherboards with Loongson CPUs now shipping ($373)

https://www.tomshardware.com/pc-components/motherboards/motherboards-and-systems-with-chinas-loongson-cpus-now-shipping-to-us-customers-options-start-from-dollar373-for-a-dtx-board-with-processor-and-cooler

Debugging #STM32 UART and #ESP32

https://blog.supermechanical.com/2024/06/27/debugging-hardware-is-hard/

Static Allocation in External RAM on #ESP32

https://danielmangum.com/posts/static-alloc-external-ram-esp32/

"Raffles Renounced: Towards a Merdeka History" (#Singapore)

https://share.libbyapp.com/title/8960561

#RustLang Apps run OK on Apache #NuttX RTOS for QEMU ... After adding the Rust Custom Profile for Double-Float

Article: https://lupyuen.codeberg.page/articles/rust4.html#nuttx-links-ok-with-rust

"Create your first UI project with #LVGL" (Apache #NuttX RTOS)

https://youtube.com/watch?v=nvTnY1YhX_k

Economics of Writing Technical Books

https://architectelevator.com/strategy/book-author-economics/

Milk-V Jupiter: Mini ITX board with #RISCV SpacemiT K1/M1

https://liliputing.com/milk-v-jupiter-is-a-mini-itx-board-with-a-spacemit-k1-m1-risc-v-processor/

Here's how we download and boot Apache #NuttX RTOS on Oz64 #RISCV SBC (Sophgo SG2000)

Article: https://lupyuen.codeberg.page/articles/sg2000.html#appendix-apache-nuttx-rtos-for-pine64-oz64-sbc

Before using a #RustLang Custom Target, remember to rebuild the Rust Core Library

Article: https://lupyuen.codeberg.page/articles/rust4.html#build-the-rust-core-library

"Lately, I have been feeling like #RustLang (and llvm) is giving the middle finger to everything that’s not POSIX x86_64 running in a FAANG-scale cloud environment ... I suppose they are entitled to do that, given who funds their payroll"

https://www.crowdsupply.com/sutajio-kosagi/precursor/updates/xous-0-9-16-harmonization-and-encrypted-swap

Getting Started with Apache #NuttX RTOS and #ESP32

https://developer.espressif.com/blog/nuttx-getting-started/

Oz64 #RISCV SBC @PINE64 (Sophgo SG2000 SoC) ... Kinda cute actually 👍

Docs: https://pine64.org/documentation/Oz64/

International Olympiad in Artificial Intelligence: "annual competition designed for high school students who are passionate about the exciting world of artificial intelligence"

https://ioai-official.org/

Memory Safety in Critical #OpenSource Projects: "55% of the total lines of code (LoC) for all [critical] projects were written in a memory-unsafe language"

https://www.cisa.gov/resources-tools/resources/exploring-memory-safety-critical-open-source-projects

Netboot (PXE) #Armbian on an Orange Pi Zero 3 from SPI with NFS root filesystem (Allwinner H618 Quad-Core Cortex-A53)

https://raymii.org/s/tutorials/Netboot_PXE_Armbian_on_an_Orange_Pi_Zero_3_from_SPI_with_NFS_root_filesystem.html