Lup Yuen Lee 李立源 @lupyuen@qoto.org

Write a time-series database engine in #GoLang

https://nakabonne.dev/posts/write-tsdb-from-scratch/

Vector-enhanced #RISCV chips could give satellites onboard AI

https://www.theregister.com/2021/07/01/vectorenhanced_riscv_chips_could_give/

"Any protocols other than I2C, UART, SPI, CAN that a firmware dev should know?"

https://www.reddit.com/r/embedded/comments/oct94a/are_there_any_new_protocols_for_inter_chip/?utm_medium=android_app&utm_source=share

How #BL602 talks to its #WiFi Radio Hardware to transmit packets

https://lupyuen.github.io/articles/wifi?7#send-request-to-lmac

What goes on inside the State Machine of the #BL602 #WiFi Manager

https://lupyuen.github.io/articles/wifi?6#wifi-manager-state-machine

What happens when #BL602 connects to a #WiFi Network

https://lupyuen.github.io/articles/wifi?5#connect-to-wifi-access-point

More about this: https://therecord.media/revil-ransomware-executes-supply-chain-attack-via-malicious-kaseya-update/

US companies hit by 'colossal' cyber-attack

https://www.bbc.com/news/world-us-canada-57703836

How to send a HTTP Request in our #BL602 #WiFi Firmware

https://lupyuen.github.io/articles/wifi?4#send-http-request

Deleting data (NAND Flash) from Echo Dots—and other #IoT devices from Amazon and elsewhere—is hard

https://arstechnica.com/gadgets/2021/07/passwords-in-amazon-echo-dots-live-on-even-after-you-factory-reset-them/

Benchmarking OpenCV on #STM32 MCUs

https://www.embedded.com/benchmarking-opencv-on-stm32-mcus/

How we connect to a #WiFi Access Point in our #BL602 Firmware

https://lupyuen.github.io/articles/wifi?3#connect-to-wifi-network

Here's how we start the #WiFi Driver in our #BL602 Firmware

https://lupyuen.github.io/articles/wifi?2#bl602-wifi-demo-firmware

ESP32 Turned Handy SWD Flasher For nRF52 Chips

https://hackaday.com/2021/07/01/esp32-turned-handy-swd-flasher-for-nrf52-chips/

Flipper Zero: How it's Made and Tested

https://blog.flipperzero.one/electronics-testing/

Folk wisdom on Visual Programming

https://drossbucket.com/2021/06/30/hacker-news-folk-wisdom-on-visual-programming/

#RISCV #BL602 now available on Lazada

https://www.lazada.sg/catalog/?from=input&q=Bl602&spm=a2o42.search.top.1&tab=all

Reverse Engineering the #WiFi Driver on #RISCV #BL602 ... All shall be explained here

https://lupyuen.github.io/articles/wifi?1