Lup Yuen Lee 李立源

Techie and Educator in IoT 物聯網教師

Public Key

npub1dzazuk4tf878rw8hx6szqr2cdgkf7u6f47sha43f2qtf2vkkdn3q9kar4t

NIP-05 Address

lupyuen_at_qoto.org@mostr.pub

Profile Code

nprofile1qqsx3w3wt245nlr3hrmndgpqp4vx5tylwdy6lgt76c54q954xttxecs0y6r8d

Author Public Key

npub1dzazuk4tf878rw8hx6szqr2cdgkf7u6f47sha43f2qtf2vkkdn3q9kar4t

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Last Notes

2024-05-24 11:58:04

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@npub1z40…phkh Yep Ox64 is a really interesting dev board :-)

2024-05-24 09:08:21

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Here's how we control #Ox64 BL808 SBC in a Web Browser ... Thanks to the WebSerial API
Article: https://lupyuen.codeberg.page/articles/quickjs2.html#control-ox64-via-web-serial-api
https://media.social.qoto.org/media_attachments/files/112/495/276/816/975/024/original/bc34264626e73585.jpg

2024-03-16 16:16:22

"時間到" (梁文音 / 羅時豐)
https://youtube.com/watch?v=OTOX7OhRRiU

2024-03-16 14:30:44

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Let's install TinyEMU #RISCV Emulator ... And tweak it to emulate #Ox64 BL808 SBC
Article: https://lupyuen.codeberg.page/articles/tinyemu2.html#install-tinyemu-emulator
https://media.social.qoto.org/media_attachments/files/112/105/845/040/425/432/original/ad761e88f423e734.jpg

2024-03-16 02:49:46

🤔 "Summarise the discussion on #RustLang in #NuttX"
https://media.social.qoto.org/media_attachments/files/112/103/088/791/292/472/original/c239077650c0f73c.jpg

2024-03-15 01:57:56

How we run a #RustLang App on Apache #NuttX RTOS (QEMU #RISCV)
Source: https://gist.github.com/lupyuen/7be4bedc6a109b2c3d1201aee6030428
https://media.social.qoto.org/media_attachments/files/112/097/222/637/032/830/original/8c49927b6db673c9.jpg

2024-03-14 15:44:52

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Here's how we boot and run Apache #NuttX RTOS in the Web Browser ... Thanks to TinyEMU #RISCV Emulator, #VirtIO Virtual Devices and #OpenAMP Library
https://lupyuen.codeberg.page/articles/tinyemu

2024-03-14 00:53:48

#FreeBSD Userland: The Case for #RustLang
https://forums.freebsd.org/threads/the-case-for-rust-in-the-base-system.92024/

2024-03-13 14:53:59

"Ficciones" by Jorge Luis Borges
https://share.libbyapp.com/title/2216164

2024-03-13 12:19:22

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Building Apache #NuttX RTOS for TinyEMU #RISCV Emulator
Article: https://lupyuen.codeberg.page/articles/tinyemu.html#appendix-build-nuttx-for-tinyemu
https://media.social.qoto.org/media_attachments/files/112/088/341/487/293/895/original/fd6f78705401c83b.jpg

2024-03-13 08:58:56

Upcoming: #RustLang for Apache #NuttX RTOS 👍
Source: https://github.com/apache/nuttx/issues/11907
https://media.social.qoto.org/media_attachments/files/112/087/553/459/960/440/original/9defa9469b19272b.jpg

2024-03-12 15:03:10

"The Rise and Fall of the EAST: How Exams, Autocracy, Stability, and Technology brought China success" by Yasheng Huang
https://share.libbyapp.com/title/10056293

2024-03-12 11:29:23

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Apache #NuttX RTOS talks to #VirtIO Devices ... By calling #OpenAMP Library
Article: https://lupyuen.codeberg.page/articles/tinyemu.html#nuttx-with-virtio-and-openamp
https://media.social.qoto.org/media_attachments/files/112/082/482/445/120/808/original/f9bec5ed9a303bc5.jpg

2024-03-12 11:27:00

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Apache #NuttX RTOS talks to VirtIO #Devices ... By calling #OpenAMP Library
Article: https://lupyuen.codeberg.page/articles/tinyemu.html#nuttx-with-virtio-and-openamp
https://media.social.qoto.org/media_attachments/files/112/082/473/379/250/417/original/0271818dbd4be561.jpg

2024-03-11 12:42:53

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TinyEMU #RISCV Emulator supports #VirtIO Console ... Let's call it with Apache #NuttX RTOS
Article: https://lupyuen.codeberg.page/articles/tinyemu.html#virtio-console
https://media.social.qoto.org/media_attachments/files/112/077/109/370/777/748/original/82818ebba0d17ac0.jpg

2024-03-10 12:14:28

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Apache #NuttX RTOS boots in a Web Browser ... Thanks to TinyEMU #RISCV Emulator
Article: https://lupyuen.codeberg.page/articles/tinyemu.html#boot-nuttx-in-web-browser
https://media.social.qoto.org/media_attachments/files/112/071/335/308/767/605/original/fdb3f82bb5bb5ac2.jpg

2024-01-15 23:38:05

"Ukraine’s Drone developers are working on an AI solution ... if the jamming gets too intense and the drone loses its command signal, the AI can take over control from the human operator"
https://www.thedailybeast.com/ukraines-ai-drones-are-making-war-much-deadlier-for-russia

2024-01-12 01:01:19

HTIF Console in TinyEMU #RISCV Emulator ... Here's how it works
Source: https://github.com/lupyuen/nuttx-tinyemu#print-to-htif-console
https://storage.gra.cloud.ovh.net/v1/AUTH_011f6e315d3744d498d93f6fa0d9b5ee/qotoorg/media_attachments/files/111/740/274/244/410/475/original/af096a480282e967.jpg

2023-12-30 14:42:24

TK: "most popular Internet Country Code"
https://youtube.com/watch?v=cD4hxKkqR4E

2023-10-21 02:44:16

🐧 Penguins in LaTeX
https://github.com/EagleoutIce/tikzpingus

2023-09-01 05:21:00

#RISCV Board of Directors: Elected Officers (Qualcomm / Intel / Microchip)
https://riscv.org/blog/2023/08/introducing-the-risc-v-board-of-directors-elected-officers/

2023-08-30 09:52:54

Let's take a walk inside the Display Controller for #RISCV Star64 #JH7110 SBC @npub1kcy…fzfa ... And find out how we'll create the Display Driver for Apache #NuttX RTOS
Article: https://lupyuen.codeberg.page/articles/display2
https://storage.gra.cloud.ovh.net/v1/AUTH_011f6e315d3744d498d93f6fa0d9b5ee/qotoorg/media_attachments/files/110/977/951/771/883/608/original/05b01113cb698c99.jpg

2023-08-25 01:29:48

"GTA 6 Leaker hacked Rockstar with an Amazon Fire Stick in hotel"
https://kotaku.com/gta-6-rockstar-leak-hacker-amazon-fire-stick-hotel-1850770299

2023-08-23 01:16:56

Switching from Chrome to #Firefox
https://frunc.de/how-to/chrome-to-firefox-tips/

2023-08-21 22:45:38

gr-lora_sdr: GNU Radio SDR implementation of #LoRa
https://github.com/tapparelj/gr-lora_sdr

2023-08-21 01:51:26

"C and C++ prioritize Performance over Correctness"
https://research.swtch.com/ub

2023-08-20 03:28:20

Naomi Wu: "I got my wings clipped and they weren't gentle about it- so there's not going to be much posting on social media anymore"
https://www.hackingbutlegal.com/p/naomi-wu-and-the-silence-that-speaks-volumes

2023-08-17 08:37:36

"AWS access key with full administrative privileges ... was inadvertently committed to software code in a private repository on GitHub ... another team member failed to fully disable and remove the key after creating a replacement one"
https://www.channelnewsasia.com/singapore/shopback-fined-data-leak-million-customers-personal-3705006

2023-08-16 12:00:59

"Singapore Workers Rank 3rd Globally For Appearing Busy But Not Being Productive"
https://mustsharenews.com/singapore-workers-appearing-busy-survey/

2023-08-14 23:53:34

"Dell's Australia arm has been slapped with a $10 million AUD (about $6.49 million) fine for making false and misleading representations on its website about discount prices for add-on computer monitors"
https://arstechnica.com/gadgets/2023/08/dell-fined-6-5m-after-admitting-it-made-overpriced-monitors-look-discounted/

2023-08-14 04:43:44

Your first patch to the #Linux Kernel
https://kernelnewbies.org/Outreachyfirstpatch

2023-08-14 02:34:47

Herika: "mod that aims to integrate #Skyrim with ... Artificial Intelligence language models, such as #ChatGPT"
https://www.nexusmods.com/skyrimspecialedition/mods/89931?tab=description

2023-08-13 02:12:08

"Millions of PLC (programmable logic controllers) used in industrial environments worldwide are at risk to 15 vulnerabilities in the CODESYS V3 software development kit, allowing remote code execution (RCE) and denial of service (DoS) attacks"
https://www.bleepingcomputer.com/news/security/industrial-plcs-worldwide-impacted-by-codesys-v3-rce-flaws/

2023-08-13 00:04:51

Single-person #Mastodon server
https://jvns.ca/blog/2023/08/11/some-notes-on-mastodon/

2023-08-12 07:25:45

"use of Exceptions is a polarizing topic in the C++ community"
https://thelig.ht/no-more-exceptions/

2023-08-11 09:36:35

"Overkill Home Network" (#LoRa Meshtastic)
https://blog.networkprofile.org/my-home-network-complete-details-2023/

2023-08-11 00:57:55

Types and #ZigLang
https://matklad.github.io/2023/08/09/types-and-zig.html

2023-08-11 00:43:53

Beepy: palm-sized #Linux hacking playground (Pi Zero)
https://hackaday.com/2023/08/07/review-beepy-a-palm-sized-linux-hacking-playground/

2023-08-10 01:43:23

"#Postgres just passed the 25 year milestone as an open source project"
https://www.crunchydata.com/blog/when-did-postgres-become-cool

2023-08-07 04:04:03

A tribute to Bram Moolenaar, the maestro behind Vim code editor
https://stackdiary.com/a-tribute-to-bram-moolenaar/

2023-08-06 04:05:46

"deep learning model that can steal data from Keyboard Keystrokes recorded using a Microphone with an accuracy of 95%"
https://www.bleepingcomputer.com/news/security/new-acoustic-attack-steals-data-from-keystrokes-with-95-percent-accuracy/

2023-08-05 01:51:59

"What’s going on with the reports of a Room-Temperature Superconductor?"
https://arstechnica.com/science/2023/08/whats-going-on-with-the-reports-of-a-room-temperature-superconductor/