Lup Yuen Lee 李立源 @lupyuen@qoto.org

HackCable: Wireless USB-C keystroke injection cable (#ESP32-S3)

https://www.cnx-software.com/2025/01/23/hackcable-is-a-wireless-enabled-usb-c-keystroke-injection-cable-powered-by-esp32-or-rp2040/

Hacking Subaru Cars: "Remotely start, stop, lock, unlock, and retrieve the current location of any vehicle"

https://samcurry.net/hacking-subaru

Pygmy: #RP2040 Flight Computer for Rockets 🤩 (Apache #NuttX RTOS)

Source: https://github.com/linguini1/pygmy

`nix` #RustLang Crate: Be careful with Owned File Descriptors ... They might get closed too soon 😬

Source: https://github.com/lupyuen2/wip-nuttx-apps/blob/rust-std/examples/rust/hello/src/lib.rs

Creating an Open-source Laptop
(RK3588 + ESP32-S3)

https://www.byran.ee/posts/creation/

"a small section of code – approximately 30 lines – that would improve #Linux’s Network Traffic processing ... the new method could reduce the Energy Consumption of important Data Centre operations by as much as 30 per cent"

https://uwaterloo.ca/news/media/coding-greener-internet

#Helix Editor + #Zellij Workspace with Apache #NuttX RTOS 👍

Source: https://github.com/apache/nuttx-apps/blob/master/examples/rust/hello/src/lib.rs

JetBrains #RustRover with Apache #NuttX RTOS 👍

Source: https://github.com/lupyuen2/wip-nuttx-apps/blob/rust-std/examples/rust/hello/src/lib.rs

30 km Hike: HarbourFront to Jurong East and Back

https://strava.app.link/b0GSEkQTnQb

#GitHubActions has become seriously costly for Apache #NuttX RTOS ... Here's how we slashed GitHub Costs within Two Weeks

Article: https://lupyuen.org/articles/ci3.html

Upcoming: Slint #RustLang GUI for Apache #NuttX RTOS 🎉

Source: https://github.com/apache/nuttx-apps/pull/2967

"Smallest USB Device… So Far" (#STM32 F042)

https://hackaday.com/2025/01/20/smallest-usb-device-so-far/

#RustLang Tokio Async Functions working beautifully ... On Apache #NuttX RTOS 🎉

Source: https://github.com/lupyuen2/wip-nuttx-apps/blob/rust-std/examples/rust/hello/src/lib.rs

Hacker News discovered my new article 😬

Article: https://lupyuen.org/articles/uname.html

Whisker: WiFi / USB Hacking Device (#ESP32-S3)

https://www.crowdsupply.com/devkitty/whisker

#RustLang `nix` Crate blinks the LED ... On Apache #NuttX RTOS 🎉

Source: https://github.com/lupyuen2/wip-nuttx-apps/blob/rust-std/examples/rust/hello/src/lib.rs

Testing the `nix` #RustLang Crate ... On Apache #NuttX RTOS 🎉

Source: https://github.com/lupyuen2/wip-nuttx-apps/blob/rust-std/examples/rust/hello/src/lib.rs