Lup Yuen Lee 李立源 @lupyuen@qoto.org

SDR Spectrum Analyser shows this beautiful #LoRa Chirp transmitted by #PineDio Stack SX1262 ... Looks OK but why are there "Fireflies"? 🤔

https://lupyuen.github.io/articles/lora#visualise-lora-with-software-defined-radio

Logic Analyser shows PineDio Stack #BL604 talking to #LoRa SX1262 over SPI

https://lupyuen.github.io/articles/pinedio#bl604-spi

Our ChirpStack #LoRaWAN Gateway shows the Data Packet received from #PineDio Stack ... Yep packet contents are correct!

https://lupyuen.github.io/articles/lorawan#view-received-lorawan-packets

Our #LoRaWAN Gateway (ChirpStack) accepts the Join Network Request from #PineDio Stack ... And receives the Data Packet yay! 🎉

https://lupyuen.github.io/articles/lorawan#view-received-lorawan-packets

Boot our #BL604 #LoRaWAN Firmware and enter these commands to: 1️⃣ Join the LoRaWAN Network 2️⃣ Transmit a LoRaWAN Data Packet

https://github.com/lupyuen/bl_iot_sdk/tree/pinedio/customer_app/pinedio_lorawan#lorawan-commands

Need to swap MISO and MOSI Pins due to a #BL604 SPI quirk ... Also note the quirky SPI Polarity-Phase

https://github.com/lupyuen/bl_iot_sdk/blob/pinedio/components/3rdparty/lora-sx1262/src/sx126x-board.c#L168-L202

Remember to deselect all other SPI Peripherals on #PineDio Stack ... While testing #LoRa SX1262

https://github.com/lupyuen/bl_iot_sdk/blob/pinedio/customer_app/pinedio_lorawan/pinedio_lorawan/demo.c#L107-L123

This Week In #RustLang

https://this-week-in-rust.org/blog/2021/09/08/this-week-in-rust-407/

iRobot’s newest Roomba uses AI to avoid dog poop

https://www.theverge.com/2021/9/9/22660467/irobot-roomba-ai-dog-poop-avoidance-j7-specs-price

#PinePhone Review (postmarketOS 3GB)

https://www.ahoneycutt.me/blog/pinephone-review/

#LoRa SX1262 Pins are defined here

https://github.com/lupyuen/bl_iot_sdk/blob/pinedio/components/3rdparty/lora-sx1262/include/sx126x-board.h#L36-L49

Here's how our #LoRa SX1262 transceiver is connected to #BL604

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

Impact of #OpenSource Software and Hardware on technological independence, competitiveness and innovation in the EU

https://digital-strategy.ec.europa.eu/en/library/study-about-impact-open-source-software-and-hardware-technological-independence-competitiveness-and

#PineDio Stack BL604 has an onboard #LoRa SX1262 transceiver

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

Yep the same #LoRaWAN Driver that we ported from Apache Mynewt OS to #BL602

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

Testing our #LoRaWAN Driver on #PineDio Stack BL604

https://github.com/lupyuen/bl_iot_sdk/tree/pinedio/customer_app/pinedio_lorawan

Hackers leak passwords for 500,000 Fortinet VPN accounts

https://www.bleepingcomputer.com/news/security/hackers-leak-passwords-for-500-000-fortinet-vpn-accounts/

UK watchdog calls out Kim Kardashian's crypto ad

https://cnalifestyle.channelnewsasia.com/entertainment/kim-kardashian-west-called-out-instagram-crypto-ad-278896

#RISCV Emulator in the form of a Pixel Shader that allowed Linux to run in VRChat

https://www.itsfoss.net/risc-v-emulator-run-in-vrchat/amp/

Eventbrite sheds most of its SF office space a year after mass layoffs

https://www.sfgate.com/tech/article/Eventbrite-tech-sheds-most-SF-office-space-layoffs-16443394.php