====== Sensors Dev ======
  * https://www.quora.com/What-is-6LoWPAN-and-which-mote-supports-it-in-Network-Layer
  * https://zaidmufti.wordpress.com/2016/09/02/what-is-6lowpan-and-which-mote-supports-it-in-network-layer/
  * https://www.utwente.nl/ewi/dacs/colloquium/archive/2010/slides/2010-utwente-6lowpan-rpl-coap.pdf
  * http://www.openmote.com/standards/ietf-6lowpan.html

===== Devices =====
  * https://www.cooking-hacks.com/shop/waspmote/kits
  * http://thenewstack.io/tutorial-prototyping-a-sensor-node-and-iot-gateway-with-arduino-and-raspberry-pi-part-1/
  * https://bergzand.net/6lowpan-on-linux-with-raspberry-pis.html
  * https://firefly-iot.com/product-category/firefly_devices/