Lup Yuen Lee 李立源 @lupyuen@qoto.org

#Meshtastic High Altitude Relay Station: Directional Sector Antennas with #ESP32 and #LoRa

https://hackaday.com/2024/04/03/long-range-meshtastic-relay/

Emulating the #OpenSBI System Timer ... For Apache #NuttX RTOS on #Ox64 BL808 Emulator

Article: https://lupyuen.codeberg.page/articles/tinyemu3.html#emulate-the-system-timer

State of Southeast Asia: 2024 Survey Report

https://www.iseas.edu.sg/centres/asean-studies-centre/state-of-southeast-asia-survey/the-state-of-southeast-asia-2024-survey-report/

TSMC: "The strongest quake to hit Taiwan in at least 25 years has also hit a pressure point in the Global Supply Chain"

https://www.channelnewsasia.com/business/morning-bid-markets-brace-supply-chain-aftershock-4239156

"a Large Language Model (#LLM) can be convinced to tell you how to build a bomb if you prime it with a few dozen less-harmful questions first"

https://techcrunch.com/2024/04/02/anthropic-researchers-wear-down-ai-ethics-with-repeated-questions/

#AWS Deadline Cloud: "lets customers set up, deploy and scale up graphics and visual effects Rendering Pipelines on AWS Cloud" (OpenJD)

https://techcrunch.com/2024/04/02/aws-unveils-new-service-for-cloud-based-rendering-projects/

"Highly-Distributed Systems: #IoT, Robotics, Mobile Apps, Energy Efficiency, Security" (2022) - Andriy Luntovskyy, Dietbert Gütter

https://share.libbyapp.com/title/8816021

Here's how we tweaked TinyEMU #RISCV Emulator to boot Apache #NuttX RTOS in Supervisor Mode (instead of Machine Mode)

Article: https://lupyuen.codeberg.page/articles/tinyemu3.html#boot-nuttx-in-supervisor-mode

👍 "Designing Production-Grade and Large-Scale #IoT Solutions: A comprehensive and practical guide to implementing end-to-end IoT solutions" (2022) - Mohamed Abdelaziz

https://share.libbyapp.com/title/9022112

"#Linux Performance on the (Intel) N100 is ... often decent enough that you can often go for several minutes without thinking about the machine's performance"

https://arstechnica.com/gadgets/2024/04/what-i-learned-when-i-replaced-my-cheap-pi-5-pc-with-a-no-name-amazon-mini-desktop/

Apple Vision Pro: "Eye-Tracking system relies on sophisticated and tiny Infrared Cameras inside the eyepieces that project invisible light patterns onto each of the wearer’s eyes"

https://petapixel.com/2024/04/01/how-apple-vision-pros-infrared-eye-tracking-technology-works/

👍 "#Embedded Software Design: A Practical Approach to Architecture, Processes, and Coding Techniques" (2022) - Jacob Beningo

https://share.libbyapp.com/title/9379775

"Software Supply Chain Security: Securing the End-To-End Supply Chain for Software, Firmware, and Hardware" - Cassie Crossley

https://share.libbyapp.com/title/10486017

"水星播种" - 王晋康著

https://share.libbyapp.com/title/7383513

OSTest on Apache #NuttX RTOS runs a whole bunch of helpful tests 👍

Article: https://lupyuen.codeberg.page/articles/tinyemu3.html#daily-automated-testing

"Effective #Haskell: Solving Real-World Problems with Strongly Typed Functional Programming" by Rebecca Skinner

https://share.libbyapp.com/title/10167168

#LLM Performance on ARMv8 #Linux

https://justine.lol/matmul/

Quansheng UV-K5: Hackable Handheld Ham Radio

https://spectrum.ieee.org/quansheng-uv-k5-hacking