Lup Yuen Lee 李立源 @lupyuen@qoto.org

Contactless Water Dispenser with #Arduino Uno and Servo Motor...

https://www.hackster.io/Makerming/induction-switch-for-public-water-dispenser-arduino-15927e

C# vs #RustLang for Declarative Coding...

https://treit.github.io/programming,/rust,/c%23/2020/03/06/StartingRust.html

Updated performance tips for #Pinebook Pro @ThePine64... Nowadays I'm using #VSCode on Pinebook to write my articles... Chrome just feels too laggy...

https://haydenjames.io/pinebook-pro-my-first-impressions-and-setup-tips/

Power consumption of TI #CC1352R microcontroller with #Bluetooth LE...

https://www.thingsquare.com/blog/articles/iot-device-lifetime/

Fight the Rust Compiler... Now only 1 error yay! 1️⃣ #RustLang Compiler is fast (under 2 sec) even with Proc Macros 2️⃣ Compiler checks every para for string formatting ("sprintf") 3️⃣ Works great on #Embedded #RTOS like @RIOT_OS on #PineTime @PINE64 https://github.com/lupyuen/PineTime-apps/blob/master/rust/app/src/screen_time.rs

P vs NP... The Knapsack Problem...

https://www.smithsonianmag.com/science-nature/why-knapsack-problem-all-around-us-180974333/

Speedy #Java on #GPU and #FPGA...

https://www.infoq.com/news/2020/03/TornadoVM-QCon-London/

"I commit… to take responsibility for what I create... to always put humans before business, and to stand up against pressure to do otherwise, even at my own risk"...

https://www.techpledge.org/

A little Happiness in the #RustLang Community... Thanks to #libchip8 😀 https://github.com/YushiOMOTE/libchip8/issues/1#issuecomment-596280136

I have a 65-inch #Xiaomi 4K TV and I'm impressed... Very affordable too...

https://www.gizchina.com/2020/03/08/xiaomi-mi-tv-5-75-inches-will-finally-hit-the-market-tomorrow/

Convert #Embedded C to #RustLang... For #PineTime Watch Face @PINE64 on #LittlevGL... Getting better at it! https://github.com/lupyuen/PineTime-apps/blob/master/rust/app/src/screen_time.rs

"Somehow the little brats worked out that if enough users gave the app a one-star review it would get booted off the App Store. Tens of thousands of reviews flooded in, and DingTalk’s rating plummeted overnight"...

https://sea.mashable.com/culture/9467/quarantined-wuhan-kids-find-brilliant-way-to-get-out-of-schoolwork

Retro Pagers updated with #LoRaWAN...

https://hackaday.io/project/22038-the-lorawan-pager

"Toyota, Hyundai, and Kia implement a Texas Instruments encryption system called DST80. A hacker who swipes a relatively inexpensive Proxmark RFID reader/transmitter device ... can gain enough information to derive its secret cryptographic value"...

https://www.wired.com/story/hackers-can-clone-millions-of-toyota-hyundai-kia-keys/

Create a #PineTime Watch Face @PINE64 with #RustLang, #LittlevGL and @RIOT_OS... Work in progress: https://github.com/lupyuen/PineTime-apps/blob/master/rust/app/src/screen_time.rs

Creating Rust Bindings for #LittlevGL #Embedded GUI Library... To make #RustLang coding simpler for #PineTime Watch Faces and Watch Apps @PINE64 ... https://github.com/lupyuen/PineTime-apps/blob/master/scripts/gen-bindings.sh

#FreeRTOS never looked so beautiful... Now running on #PineTime Smart Watch @PINE64 !
https://youtu.be/2vDcJ8OAQLc

Playing with @RIOT_OS on #PineTime Smart Watch @ThePine64... So cool!
https://youtu.be/WdOHOHGS0d8

https://www.vice.com/en_us/article/xwekw4/pwnagotchi-is-the-open-source-handheld-that-eats-wi-fi-handshakes

#COVID19 Hoarding vs #Hamsters...

https://m.dw.com/en/coronavirus-scare-when-will-hamsterkauf-become-an-english-word/a-52635400