Lup Yuen Lee 李立源 @lupyuen@qoto.org

Orange Pi RV2: $30+ #RISCV SBC with Ky X1 octa-core SoC + 2 TOPS AI accelerator

https://www.cnx-software.com/2025/03/08/orange-pi-rv2-low-cost-risc-v-sbc-ky-x1-octa-core-soc-2-tops-ai-accelerator/

#ESP32 Backdoor? "they found 29 undocumented commands ... that could be used for Memory Manipulation (read/write RAM and Flash), MAC Address Spoofing (device impersonation), and LMP/LLCP Packet Injection"

https://www.bleepingcomputer.com/news/security/undocumented-backdoor-found-in-bluetooth-chip-used-by-a-billion-devices/

Porting Apache #NuttX RTOS to Avaota-A1 #Arm64 SBC (#Allwinner A527) ... #SDWire MicroSD Multiplexer mummified in cellophane 😂

Source: https://github.com/lupyuen/nuttx-avaota-a1

#NuttX Test Bot will test all #Arm64 Pull Requests on a Real #PinePhone ... Let's automate this with an #SDWire MicroSD Multiplexer and #Avaota-A1 SBC

https://lupyuen.org/articles/testbot3.html

Apache #NuttX RTOS boots OK on #Avaota-A1 Arm64 SBC (#Allwinner A527) ... And passes OSTest! 🎉

https://youtu.be/PxaMcmMAzlM

Magic of #Linux `visudo` ... Run a `sudo` command without passwords! 👍

Source: https://github.com/lupyuen/nuttx-avaota-a1

Running #Python on #ESP32-S3 with #NuttX

https://developer.espressif.com/blog/2025/03/nuttx-python-esp32s3/

Seeed Studio launches Wi-Fi HaLow boards (#LoRa too)

https://www.hackster.io/news/seeed-studio-launches-wi-fi-halow-connectivity-boards-and-a-new-xiao-lora-board-too-65dccad2c95c

Porting Apache #NuttX RTOS to Avaota-A1 #Arm64 SBC (#Allwinner A527) ... So much quicker with MicroSD Multiplexer + Smart Power Plug! 🎉

Source: https://github.com/lupyuen/nuttx-avaota-a1

New SSD for #NuttX Build Farm ... No more intermittent failures in my Refurbished Xeon ThinkStation 👍

Article: https://lupyuen.org/articles/ci4.html

New SSD for #NuttX Build Farm ... Hope it fixes the intermittent failure in my Refurbished Xeon ThinkStation 😬

Article: https://lupyuen.org/articles/ci4.html

#SDWire MicroSD Multiplexer + #PinePhone ... Works great with Avaota-A1 SBC @PINE64 and Apache #NuttX RTOS! 🎉

https://youtu.be/lYiIEip0zII

My Refurbished Ubuntu Xeon Thinkstation ... 🤔 Wonder if the SSD is causing intermittent failure

NuttX Build Farm: https://lupyuen.org/articles/ci4.html#ingest-the-build-logs

BADBOX #Android Malware: "This attack centered primarily on low-cost, ‘off-brand’ and uncertified Android Open Source Project devices with a backdoor"

https://www.humansecurity.com/learn/blog/satori-threat-intelligence-disruption-badbox-2-0/

#PinePhone connected to #SDWire MicroSD Multiplexer ... Moment of truth 😬

Article: https://lupyuen.org/articles/testbot2.html#real-hardware-arm-and-esp32

Bellingcat: #OSINT Challenge

https://challenge.bellingcat.com/

😬 #NuttX Build Farm is showing SATA Disk Errors ... Is my Ubuntu Xeon dying from overuse?

Log: https://gist.github.com/lupyuen/73b8b3a7125979a724f3aafeedf3d8ab