Lup Yuen Lee 李立源 @lupyuen@qoto.org

Sensing Finger Motion with WiFi...

"FingerDraw: Sub-wavelength Level Finger Motion Tracking with WiFi Signals"
https://dl.acm.org/doi/pdf/10.1145/3380981

Standard Protocols for Accessing Things in #IoT...

https://dl.acm.org/doi/pdf/10.1145/3375838

Using #RFID to sense Walking Posture for Person Identification...

"Gait Recognition as a Service for Unobtrusive User Identification in Smart Spaces"
https://dl.acm.org/doi/pdf/10.1145/3375799

Using Phone Sensors to assess Mental Wellness...

"Predicting Brain Functional Connectivity Using Mobile Sensing"
https://dl.acm.org/doi/pdf/10.1145/3381001

Amazon Echo, Google Home and their Social Impact on Children in Smart Home #IoT...

"He Is Just Like Me: A Study of the Long-Term Use of Smart Speakers by Parents and Children"
https://dl.acm.org/doi/pdf/10.1145/3381002

Detecting Hand Gestures with Millimeter-Wave RF for Smart Home #IoT...

"mmASL: Environment-Independent ASL Gesture Recognition Using 60 GHz Millimeter-wave Signals
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https://dl.acm.org/doi/pdf/10.1145/3381010

#UltraWideBand Indoor Positioning for assessing Classroom Teaching Effectiveness...

"Teacher Tracking with Integrity: What Indoor Positioning Can Reveal About Instructional Proxemics"
https://dl.acm.org/doi/pdf/10.1145/3381017

Support our Food and Beverage Biz 100%... Just walk over and buy from them!

Quirks of Chinese characters...

https://nickdrozd.github.io/2020/04/09/chinese-answers.html

So thrilled that some researchers are using my repo! Update: If you're looking for @NordicTweets #nRF52 Firmware based on @RustLang, @Apache_Mynewt and #NimBLE Bluetooth... Please use this #PineTime Smart Watch @PINE64 version (works for any nRF52) https://github.com/lupyuen/pinetime-rust-mynewt

Hackable Drone based on #STM32 F427...

https://discuss.ardupilot.org/t/ardubee-a-ready-to-fly-micro-drone-for-education-and-swarming/54362

#GitHub finally unlocked my Private Repos... Yay!

https://github.blog/2020-04-14-github-is-now-free-for-teams/

Managing #ELF Files with GNU Binutils...

https://interrupt.memfault.com/blog/gnu-binutils

Fun challenges in #COBOL...

https://samsclass.info/129S/COBOL.shtml

Gotchas in #Haskell...

https://williamyaoh.com/posts/2020-04-12-software-engineer-hangups.html

Portable Hacking Gadget for #RFID, RF protocols, Infrared, USB, GPIO...

https://flipperzero.one/zero

Vulnerability in Content Distribution Networks used by #TikTok...

https://www.mysk.blog/2020/04/13/tiktok-vulnerability-enables-hackers-to-show-users-fake-videos/

Design of #FreeRTOS...

https://www.aosabook.org/en/freertos.html

How about solving a Programming Problem... 🤔

https://www.marketwatch.com/story/burger-king-might-give-you-a-free-whopper-if-you-can-solve-this-math-problem-2020-04-13

https://arstechnica.com/science/2020/04/john-conway-inventor-of-the-game-of-life-has-died-of-covid-19/