* nutcracker https://www.pine64.org/2020/10/28/nutcracker-challenge-blob-free-wifi-ble/
* https://github.com/pine64/bl_iot_sdk
* https://github.com/pine64/bl602-docs / https://pine64.github.io/bl602-docs/
* https://github.com/pine64/ArduinoCore-bouffalo 


cd ~/packages
git clone --recursive https://github.com/pine64/bl_iot_sdk

https://github.com/spacemeowx2/blflash/releases


# FIXME or BL604
cd bl_iot_sdk
export BL60X_SDK_PATH=/home/kevinh/packages/bl_iot_sdk
export CONFIG_CHIP_NAME=BL602
cd customer_app/bl602_boot2
make

* todo run hello world on hardware (check for bl604 vs bl602 first)
* build/run in the crummy arduino environment
* build in platformio

https://lupyuen.github.io/articles/lorawan2