Lup Yuen Lee 李立源 @lupyuen@qoto.org

Flashing Firmware to #PineDio Stack #BL604 ... With the same tools as BL602!

https://lupyuen.github.io/articles/pinedio?5#flash-firmware-to-bl604

How much RAM is good enough for you in an Android phone

https://www.androidauthority.com/smartphone-ram-poll-results-2741226/

"Metal Engraving Fiber Laser - EM Smart Review and Tutorial"

https://youtu.be/WMOg7l0y4cg

#BL604 Blinky Firmware ... Exactly the same as #BL602!

https://lupyuen.github.io/articles/pinedio?4#bl604-blinky

Connecting #PineDio Stack BL604 @PINE64 ... To a super-familiar ST7789 SPI Display

https://lupyuen.github.io/articles/pinedio?3#connect-the-display

Solar Panel @PINE64 ... With hidden treasure inside

https://lupyuen.github.io/articles/pinedio?2

What's it like to create #OpenSource software for brand new Prototype Hardware ... Like #PineDio Stack BL604? All shall be explained in this article

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

"Today Microsoft notified over 30% of (Azure) Cosmos DB customers that they need to manually rotate their access keys to mitigate this exposure"

https://www.wiz.io/blog/chaosdb-how-we-hacked-thousands-of-azure-customers-databases

Rome's Pizza Vending Machine ... "spins together flour and water (it has enough to make 100 pizzas), presses it into a disc, and delicately adds the toppings -- all in front of your eyes"

https://www.cnn.com/travel/article/rome-pizza-vending-machine-review/index.html

Porting #Arduino GFX Library to #BL604 wasn't so hard! Just need to map the Arduino API to the BL604 IoT SDK 👍

https://github.com/lupyuen/bl_iot_sdk/blob/3wire/customer_app/pinedio_st7789_bitbang/pinedio_st7789_bitbang/Arduino_SWSPI.c#L37-L43

Ferrofluid Display gets new, better driver circuitry (PWM)

https://hackaday.com/2021/08/26/ferrofluid-display-gets-new-better-driver-circuitry/

Twelve-year-old boy makes £290,000 from whale NFTs

https://www.bbc.com/news/technology-58343062

"Getting GPLv2 Compliance From A Chinese Company - In Person!"

https://youtu.be/Vj04MKykmnQ

#PineTime: steps counter accuracy

https://www.ncartron.org/pinetime-steps-counter-accuracy.html

Since our #ST7789 Display doesn't respond to GFX Library 9-Bit Banging ... Maybe our display isn't hardwired for 3-Wire 9-Bit mode? Let's verify IM0 to 3 with the display maker

https://www.rhydolabz.com/documents/33/ST7789.pdf

This Week in #RustLang

https://this-week-in-rust.org/blog/2021/08/25/this-week-in-rust-405/

Disabled Logging in #BL604 GFX Library ... SPI Clock looks cleaner now ... But still nothing on #ST7789 Display 🤔

https://github.com/lupyuen/bl_iot_sdk/blob/3wire/customer_app/pinedio_st7789_bitbang/pinedio_st7789_bitbang/demo.c

#BL604 GFX Library is indeed Bit-Banging 9-bit data to #ST7789 ... But #PineDio Stack Display is still blank 🤔

https://github.com/lupyuen/bl_iot_sdk/blob/3wire/customer_app/pinedio_st7789_bitbang/pinedio_st7789_bitbang/demo.c

We run the GFX Library on Linux ... To see the data that will be transmitted to #ST7789 Display

https://github.com/lupyuen/bl_iot_sdk/blob/3wire/customer_app/pinedio_st7789_bitbang/test/test.c