Lup Yuen Lee 李立源 @lupyuen@qoto.org

#LoRa Antennas: A Guide to Design, Selection, Positioning and More

https://www.rakwireless.com/en-us/technology/antennas

Time-of-Flight Explained: iToF and dToF

https://www.sparkfun.com/news/4636

"When Your Smart ID Card Reader Comes With Malware" (Saicoo)

https://krebsonsecurity.com/2022/05/when-your-smart-id-card-reader-comes-with-malware/

"Things Are Getting Rusty In Kernel Land" (#RustLang)

https://hackaday.com/2022/05/17/things-are-getting-rusty-in-kernel-land/

Our Automated #LoRaWAN Test on #PineDio Stack #BL604 ... Calls a bunch of #NuttX Libraries and Drivers

https://lupyuen.github.io/articles/auto2?15#checkpoint-delta

Using a #Linux Phone as a secondary monitor

https://tuxphones.com/howto-linux-as-second-wireless-display-for-linux/

"Everfree's ARMFerno - My Unholy Battle With a #Rock64"

https://artemis.sh/2022/05/16/everfrees-armferno.html

"One-time richest Singapore tycoon, Forrest Li, has lost 80% of his fortune" (Sea / Shopee)

https://www.channelnewsasia.com/business/one-time-singapore-tycoon-forrest-li-80-cent-fortune-sea-lion-city-sailors-2689201

"Please stop making Discord servers for things that shouldn't be Discord servers"

https://www.pcgamer.com/please-stop-making-discord-servers-for-things-that-shouldnt-be-discord-servers/

"Standard Twisted Pair cables can handle frequencies up to 5 GHz — but no higher"

https://spectrum.ieee.org/twisted-pair-ultrafast-broadband

#PineDio Stack #BL604 connects to ChirpStack #LoRaWAN Gateway ... And sends a Data Packet from Apache #NuttX RTOS

https://lupyuen.github.io/articles/auto2?12#lorawan-test

"Researchers devise iPhone Malware that runs even when device is turned off" (Low Power Mode)

https://arstechnica.com/information-technology/2022/05/researchers-devise-iphone-malware-that-runs-even-when-device-is-turned-off/

More about this: https://8112310.fs1.hubspotusercontent-na1.net/hubfs/8112310/OpenSSF/White%20House%20OSS%20Mobilization%20Plan.pdf?hsCtaTracking=3b79d59d-e8d3-4c69-a67b-6b87b325313c%7C7a1a8b01-65ae-4bac-b97c-071dac09a2d8

"OpenSSF, Linux Foundation want to replace C, C++" (#RustLang / #GoLang)

https://www.sdxcentral.com/articles/news/openssf-linux-foundation-want-to-replace-c-c/2022/05/

"Avoiding Burnout as a Student"

https://belkarx.github.io/posts/finished/Avoiding%20Burnout.html

"South Korea was the first country to launch a 5G mobile network ... 3 years on, the giddy promises are unfulfilled"

https://www.straitstimes.com/tech/tech-news/south-koreas-high-speed-5g-mobile-revolution-gives-way-to-evolution

Automated Test for #LoRaWAN on #PineDio Stack #BL604

https://lupyuen.github.io/articles/auto2?11#lorawan-test

Intro to USB Device Emulation (#Linux USB/IP)

https://fedoramagazine.org/an-introduction-to-usb-device-emulation-and-how-to-take-advantage-of-it/