Lup Yuen Lee 李立源 @lupyuen@qoto.org

Fall Detection Sensor (24 GHz mmWave Radar)

https://www.seeedstudio.com/24GHz-mmWave-Radar-Sensor-Fall-Detection-Module-p-5268.html

Apache #NuttX OS talks to The Things Network over #LoRaWAN! 🎉

https://lupyuen.github.io/articles/lorawan3#whats-next

"Future Leader" 🤔

"Cleaning up the #Linux kernel's 'Dependency Hell': This developer is proposing 2,200 commit changes"

https://www.zdnet.com/article/cleaning-up-the-linux-kernels-dependency-hell-this-developer-is-proposing-2200-commit-changes/

"This smart collar wants to be an Apple Watch for your dog" (LTE-M)

https://www.theverge.com/2022/1/3/22857166/invoxia-pet-tracker-smart-collar-heart-rate-dogs

"Singapore’s initial operating system was designed for efficiency ... Silicon Valley’s operating system is designed for discovery"

https://techandpublicgood.com/2022/01/02/understanding-silicon-valley-a-discovery-operating-system/

We're ready to build a complete #IoT Sensor Device with Apache #NuttX OS ... Just add #LoRaWAN, CBOR and The Things Network!

https://lupyuen.github.io/articles/lorawan3?32#whats-next

Compiling #GoLang into native binary for Nintendo Switch

https://ebiten.org/blog/native_compiling_for_nintendo_switch.html

We might need SPI with DMA ... For #LoRaWAN on #NuttX OS

https://lupyuen.github.io/articles/lorawan3?31#spi-with-dma

Watch out for Empty #LoRaWAN Message Payloads

https://lupyuen.github.io/articles/lorawan3?30#empty-lorawan-message

#LoRaWAN is Time Sensitive! Here's why

https://lupyuen.github.io/articles/lorawan3?29#lorawan-is-time-sensitive

Troubleshooting #LoRaWAN on Apache #NuttX OS

https://lupyuen.github.io/articles/lorawan3?28#troubleshoot-lorawan

#LoRaWAN Sensors on Tindie 👍

https://www.tindie.com/search/?q=lorawan+sensors

Inside our #LoRaWAN Event Loop for Apache #NuttX OS

https://lupyuen.github.io/articles/lorawan3?27#lorawan-event-loop

How we handle #LoRaWAN Events ... With NimBLE Porting Layer on Apache #NuttX OS

https://lupyuen.github.io/articles/lorawan3?26#lorawan-event-loop

Real-time 3D digital map of Tokyo's Public Transport system

https://minitokyo3d.com/

Xilinx Vivado: 2022 Date Overflow Bug

https://www.reddit.com/r/FPGA/comments/rtx08x/vivado_the_gift_that_keeps_on_giving/?utm_medium=android_app&utm_source=share

"#Embedded Industry in the next 10 years?"

https://www.reddit.com/r/embedded/comments/ru4cjn/embedded_industry_in_the_next_10_years_starting/?utm_medium=android_app&utm_source=share

How we generate #LoRaWAN Nonces ... With the Strong Random Number Generator on #NuttX OS

https://lupyuen.github.io/articles/lorawan3?25#strong-random-number-generator

Here's why #LoRaWAN on #NuttX needs a Strong Random Number Generator (with Entropy Pool)

https://lupyuen.github.io/articles/lorawan3?24#lorawan-nonce