# surf-iots Sharing and Record for surf.. > !!! > **Details please refer to this [Blog](https://www.eee.dog/tech/smartfarming-surf.html)~** > !!! ## Design Objetives - Available - Relabile ## Challenges - Waterproof - Low Power ## Reading Materials ### MQTT - [入门](http://dataguild.org/?p=6817) - [进阶](http://dataguild.org/?p=6846) - [安全](http://dataguild.org/?p=6866) - [实践](http://dataguild.org/?p=6957) ### LPWA - [loraserver](https://www.loraserver.io/) ### MCU - [ESP8266 Board Compare](https://blog.squix.org/2015/03/esp8266-module-comparison-esp-01-esp-05.html) ### Sensors ### Raspberry