Lup Yuen Lee 李立源 @lupyuen@qoto.org

Cable selection for outdoor #LoRaWAN antenna

https://www.disk91.com/2021/technology/hardware/radio-cable-selection-for-outdoor-lorawan-antenna/

How we handle #LoRa Errors on RAKwireless #WisBlock

https://lupyuen.github.io/articles/wisblock?11#timeout-callback-function

Elon Musk gambles big on #Bitcoin to keep Tesla going strong

https://www.channelnewsasia.com/news/commentary/elon-musk-bitcoins-tweet-tesla-price-investment-crypto-14360906

"Why use C instead of C++?" ... Because C++ is like "trying to make an octopus by stapling more legs to a dog" 😂

https://www.reddit.com/r/C_Programming/comments/m0ui5i/why_use_c_instead_of_c/?utm_medium=android_app&utm_source=share

DTrace in #RustLang

https://github.com/Hywan/sonde-rs

Bluetrum AB32VG1 Board Features AB5301A Bluetooth #RISCV MCU

https://www.cnx-software.com/2021/03/09/bluetrum-ab32vg1-board-features-ab5301a-bluetooth-risc-v-mcu-runs-rt-thread-rtos/

100ms delays with #RustLang on #AWSLambda ... Due to TLS

https://www.peakscale.com/100ms-gotcha/

First person to solve the riddle first wins the new #Pine64 #RISCV single board computer

https://www.pine64.org/2021/03/09/risc-v-sbc-riddle/

Half of #curl vulnerabilities are C mistakes

https://daniel.haxx.se/blog/2021/03/09/half-of-curls-vulnerabilities-are-c-mistakes/

Gab Has Been Breached

https://www.troyhunt.com/gab-has-been-breached/

Soil Moisture #Sensor with #ESP32 ... 90 days of battery life 🤔

https://hackaday.com/2021/03/07/give-your-smart-home-a-green-thumb-with-mqtt/

China’s richest man, Zhong Shanshan – the bottled water and pharmaceuticals entrepreneur

https://www.scmp.com/magazines/style/luxury/article/3124605/chinas-richest-man-nongfu-spring-billionaire-zhong-shanshan

Livestream of #WisBlock #LoRa Packet Log is now up ... Now doing a LoRa Supper Survey ... To McDonald's 800 metres away

https://gist.github.com/lupyuen/754932dd41cae8e37eca050266d64b63

In the dark ... RAKwireless #WisBlock receiving #LoRa Packets from #PineCone #BL602

https://lupyuen.github.io/articles/wisblock?10

On RAKwireless #WisBlock we handle received #LoRa Packets with a Callback Function

https://lupyuen.github.io/articles/wisblock?10#receive-lora-packets

#LoRa pushing 64-byte packets from #RISCV #BL602 to #nRF52840 #WisBlock ... *pant pant*

https://lupyuen.github.io/articles/wisblock?9#receive-lora-packets

On RAKwireless #WisBlock, here's how we init the #LoRa Transceiver ... Remarkably similar to #BL602 LoRa 👍

https://lupyuen.github.io/articles/wisblock?9#setup-function

2 good surprises on RAKwireless #WisBlock ... 1️⃣ Arduino ... 2️⃣ FreeRTOS

https://lupyuen.github.io/articles/wisblock?7#initialise-lora-transceiver