Lup Yuen Lee 李立源 @lupyuen@qoto.org

BLE 5.0 + #LoRa + GPS Container Tracker

https://www.tindie.com/products/lansitectechnology/ble50-lora-gps-container-tracker/

Why is AAAA pink? Because of RGB565 colour encoding

https://lupyuen.github.io/articles/st7789?9#rgb565-colour-encoding

Let's test the ST7789 Display Driver on #NuttX RTOS ... And render a pink screen!

https://lupyuen.github.io/articles/st7789?8#render-pink-screen

Here's how we load the ST7789 Display Driver on #NuttX RTOS

https://lupyuen.github.io/articles/st7789?7#st7789-driver

Before loading the #NuttX ST7789 Driver, we load the LCD Driver "/dev/lcd0"

https://lupyuen.github.io/articles/st7789?6#load-st7789-driver

BLE 5.0 + #LoRa Contact Tracing Badge

https://www.tindie.com/products/lansitectechnology/ble50-lora-contact-tracing-badge/

MarsCat: A Bionic Pet Cat (Pi 3)

https://www.tindie.com/products/elephantrobotics/marscat/

"The Space Industry has a big, ugly sexual harassment problem"

https://www.space.com/space-industry-sexual-harassment-problem

"Wyze knew hackers could remotely access your camera for three years and said nothing"

https://www.theverge.com/23003418/wyze-cam-v1-vulnerability-no-patch-bitdefender-responsible-disclosure

Mastodon 3.5 released

https://blog.joinmastodon.org/2022/03/mastodon-3.5/

"Apple and Meta shared data with hackers pretending to be law enforcement officials"

https://www.theverge.com/2022/3/30/23003600/apple-meta-shared-data-hackers-pretending-law-enforcement-officials

Amateur Radio Antenna made from a single Tape Measure

https://www.hackster.io/news/this-amateur-radio-antenna-is-made-from-a-single-tape-measure-95a0020726ea

#BL602 talks to ST7789 only in SPI Mode 3 ... Wonder why 🤔

https://lupyuen.github.io/articles/st7789?5#spi-mode-3

How we fixed SPI Send on #BL602 #NuttX

https://lupyuen.github.io/articles/st7789?4#fix-spi-send

Demystifying Software Release Note Issues on GitHub

https://arxiv.org/abs/2203.15592

"How did a hacker steal over $600 million from a crypto gaming blockchain?" (Ronin)

https://arstechnica.com/gaming/2022/03/how-did-a-hacker-steal-over-600-million-from-a-crypto-gaming-blockchain/

#NuttX RTOS controls ST7789's Data / Command Pin through the SPI Driver

https://lupyuen.github.io/articles/st7789?3#st7789-data--command-pin

Here's how we connect ST7789 Display to #BL602 and #ESP32-C3

https://lupyuen.github.io/articles/st7789?2#connect-st7789-display

Source Code: https://codeberg.org/JF002/pinedio-stack-selftest

Self-Test Firmware preloaded on "chonky watch" #PineDio Stack #BL604 @PINE64 ... Awesome work by @JF ! 👏

https://youtu.be/hhaYwvDO0Oc