Lup Yuen Lee 李立源 @lupyuen@qoto.org

"Arch #Linux Could Use Some Help With Toolchain Maintenance" (Glibc, GCC)

https://www.phoronix.com/scan.php?page=news_item&px=Arch-Toolchain-Falling-Behind

PM 2.5 readings from IKEA Air Quality Sensor ... Decoded OK by our #NuttX App! 🎉

https://github.com/lupyuen/ikea_air_quality_sensor#output-log

#Arm sale collapses amid competition fears

https://www.bbc.com/news/business-60297874?piano-modal

Here's how our #NuttX App extracts the PM 2.5 reading from IKEA Air Quality Sensor

https://github.com/lupyuen/ikea_air_quality_sensor/blob/main/ikea_air_quality_sensor_main.c#L104-L114

Our #NuttX App validates the Sensor Data received from IKEA Air Quality Sensor ... By matching the header and verifying the checksum

https://github.com/lupyuen/ikea_air_quality_sensor/blob/main/ikea_air_quality_sensor_main.c#L79-L102

Here's how our #NuttX App handles Sensor Data from IKEA Air Quality Sensor

https://github.com/lupyuen/ikea_air_quality_sensor/blob/main/ikea_air_quality_sensor_main.c#L46-L77

ESPHome has a module that parses the data from IKEA Air Quality Sensor ... Let's port it to Apache #NuttX OS

https://github.com/esphome/esphome/blob/dev/esphome/components/pm1006/pm1006.cpp#L57-L96

"The Dark Side Of Smart Contracts: Smart contracts aren't as smart as you think"

https://businesstechguides.co/smart-contracts

"Artist uses AI to perfectly fake 70s science fiction pulp covers"

https://cdm.link/2022/02/artist-uses-ai-to-perfectly-fake-70s-science-fiction-pulp-covers-artwork-and-titles/

Yamaha DX7 chip reverse-engineering: Control Registers

http://www.righto.com/2022/02/yamaha-dx7-chip-reverse-engineering_7.html?m=1

#Intel Creates $1B Innovation Fund To Grow #RISCV Market

https://www.forbes.com/sites/karlfreund/2022/02/07/intel-creates-1b-innovation-fund-to-grow-risc-v-market-and-attract-new-foundry-customers/

Peter Thiel to step down from board of Facebook parent Meta

https://www.cnbc.com/2022/02/07/peter-thiel-to-step-down-from-facebook-board.html

#NuttX OS shows Sensor Data received from IKEA Air Quality Sensor ... With PM 2.5 encoded inside!

https://github.com/lupyuen/ikea-air-quality-sensor#test-with-apache-nuttx-os

#NuttX OS dumps the Sensor Data from IKEA Air Quality Sensor ... Yep looks correct! 🎉

https://github.com/lupyuen/ikea-air-quality-sensor#test-with-apache-nuttx-os

#NuttX OS has a GPS Demo App that reads from UART ... Let's tweak it to dump the UART Data from IKEA Air Quality Sensor

https://github.com/lupyuen/incubator-nuttx-apps/blob/master/examples/gps/gps_main.c

Apache #NuttX OS shows the UART Data from IKEA Air Quality Sensor! Let's dump the data in hex

https://github.com/lupyuen/ikea-air-quality-sensor#test-with-apache-nuttx-os

Testing IKEA Air Quality Sensor gets messy ... 2 USB Ports needed! 🙄

https://github.com/lupyuen/ikea-air-quality-sensor#connect-to-pinedio-stack-bl604

"One American Hacker Suddenly Took Down North Korea’s Internet"

https://www.forbes.com/sites/daveywinder/2022/02/05/one-american-hacker-suddenly-takes-down-north-koreas-internet-all-of-it/?sh=3d7193be6698

DrawnApart: A remote #GPU fingerprinting technique

https://blog.amiunique.org/an-explicative-article-on-drawnapart-a-gpu-fingerprinting-technique/

How Hall Effect Sensors work

https://www.explainthatstuff.com/hall-effect-sensors.html