Lup Yuen Lee 李立源 @lupyuen@qoto.org

uLisp and Blockly (Scratch) on #PineCone #BL602 @PINE64 ... All shall be explained here

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

Here's how we connect #PineCone #BL602 #RISCV Board to #LoRaWAN ... With @PINE64 RFM90 LoRa Module

https://lupyuen.github.io/articles/lorawan

#Helium #LoRaWAN RAK Miner review

https://www.disk91.com/2021/technology/lora/helium-rak-miner-review/

"Much of the #OpenSource world is critically underfunded yet critically important"

https://www.theregister.com/2021/05/10/untangling_open_sources_sustainability_problem/

"#BabelJS is used by millions, so why are we running out of money?"

https://babeljs.io/blog/2021/05/10/funding-update.html

Can't wait to connect #BL602 to our new #LoRa Gateway @ThePine64! ... Stay tuned for fun adventures with Lisp and Scratch on BL602

https://lupyuen.github.io/articles/lorawan?49#whats-next

RFM90 / SX1262 triggers a GPIO Interrupt when it receives a #LoRa Packet ... Here's how #BL602 handles the GPIO Interrupt

https://lupyuen.github.io/articles/lorawan?48#appendix-bl602-gpio-interrupts

How our #BL602 #LoRaWAN Driver calls the BL602 SPI Hardware Abstraction Layer

https://lupyuen.github.io/articles/lorawan?47#appendix-bl602-spi-functions

"Pine64’s cheap (yet surprisingly capable) PineBook Pro has sold out its production runs several times over"

https://www.omgubuntu.co.uk/2021/05/huawei-new-laptop-runs-linux-os

"There's nothing wrong with young people chasing stars, but the pursuit of them without a bottom line is a problem"

https://www.straitstimes.com/asia/east-asia/outcry-in-china-after-fans-of-talent-show-seen-pouring-away-milk-in-bid-to-support

Packet Buffer Queues in our #BL602 #LoRaWAN Driver

https://lupyuen.github.io/articles/lorawan?46#packet-buffer-queue

How our #BL602 #LoRaWAN Driver uses Packet Buffers from the Lightweight IP Stack (LWIP)

https://lupyuen.github.io/articles/lorawan?45#appendix-packet-buffer-and-queue

#LoRaWAN AS923 Region Settings look different across the 3 LoRaWAN Stacks 🤔

https://lupyuen.github.io/articles/lorawan?41#appendix-lora-carrier-sensing

3 #LoRaWAN Stacks ... 3 different implementations of Carrier Sensing ... My apologies to #BL602 Fans in Japan and South Korea 🙏

https://lupyuen.github.io/articles/lorawan?41#appendix-lora-carrier-sensing

Amazon #Sidewalk launching in June with Tile trackers and others on shared network (#LoRa)

https://www.geekwire.com/2021/amazon-sidewalk-launching-june-tile-trackers-others-shared-network/

Why the #LoRa Sync Word matters for our #BL602 #LoRaWAN Driver

https://lupyuen.github.io/articles/lorawan?38#appendix-lora-sync-word

#BL602 with #LoRa RFM90 seems to be transmitting with Lower Power ... Would be great if you could help me understand why 🙏

https://lupyuen.github.io/articles/lorawan?38#appendix-lora-transmit-power

Apple #AirTag (nRF52) hacked and reprogrammed by security researcher

https://appleinsider.com/articles/21/05/09/airtag-hacked-and-reprogrammed-by-security-researcher

Here's how we troubleshoot #BL602 #LoRaWAN issues

https://lupyuen.github.io/articles/lorawan?37#troubleshoot-lorawan

Weekly #Linux Phone news / media roundup

https://linmob.net/linbits44-weekly-linux-phone-news-week18/