Lup Yuen Lee 李立源 @lupyuen@qoto.org

"I’m a climate scientist. Don’t Look Up captures the madness I see every day"

https://www.theguardian.com/commentisfree/2021/dec/29/climate-scientist-dont-look-up-madness

Porting #LoRaWAN to Apache #NuttX OS ... All shall be explained in this article

https://lupyuen.github.io/articles/lorawan3?1

"Matter is a new standard that promises to fix Smart Home interoperability — but can it deliver?"

https://www.theverge.com/22787729/matter-smart-home-standard-apple-amazon-google

"In 1989, General Magic Saw the Future of Smartphones"

https://spectrum.ieee.org/general-magic-motorola-envoy

"Workers in Vietnam lived inside factories to keep Samsung’s products on shelves during the pandemic"

https://restofworld.org/2021/samsung-worker-factories-pandemic/

CH583 #RISCV microcontroller supports Bluetooth 5.3 LE

https://www.cnx-software.com/2021/12/30/ch583-risc-v-microcontroller-supports-bluetooth-5-3-le/

Louis Wain: The artist who changed how we think about Cats

https://www.bbc.com/news/uk-england-london-59518847

"What Ever Happened to Flickr?"

https://www.techspot.com/article/2384-flickr/

How to inspect a #NuttX Stack Trace 👍

https://gist.github.com/lupyuen/ccfd90125f9a180b4cfb459e8a57b323

We handle #LoRaWAN Events in our #NuttX App ... With this Event Loop

https://lupyuen.github.io/articles/sx1262?91#event-loop

"#PineTime: Smartwatch That Respects Your Data"

https://youtu.be/z6rQ-clATfA

Implementing Spinlock for #RISCV OS in #RustLang

https://vmm.dev/en/rust/spinlock.md

"$5 dock turns the $17 Sipeed Lichee RV into a fully functional #RISCV computer"

https://liliputing.com/2021/12/this-5-dock-turns-the-17-sipeed-lichee-rv-into-a-fully-functional-risc-v-computer.html

"Discovery kits for a complete beginner to #Embedded?"

https://www.reddit.com/r/embedded/comments/rqyjqc/what_are_some_good_discovery_kits_for_a_complete/?utm_medium=android_app&utm_source=share

Designing a CNC Motherboard (ESP32)

https://curiousmotor.com/2021/12/27/designing-the-onyx-v1-0-motherboard/

This Week in #RustLang

https://this-week-in-rust.org/blog/2021/12/29/this-week-in-rust-423/

#PinePhone Community Poll

https://www.pine64.org/2021/12/29/pinephone-community-poll/

How we handle SX1262 GPIO Interrupts in #NuttX OS ... With NimBLE Porting Layer

https://lupyuen.github.io/articles/sx1262?90#multithreading-with-nimble-porting-layer

We handle SX1262 GPIO Interrupts in #NuttX with a Background Thread ... That inserts into an Event Queue

https://lupyuen.github.io/articles/sx1262?89#start-dio1-thread