Completes tessel#3

case-studies/nodebotanist.md

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+# Case study-- connecting Particle Photons to a T2 for wearables
+
+Steps taken:
+
+* Wrote firmware for the Photon that did the following:
+  * Removed the photons from the Particle cloud
+  * Connected them to the T2 WiFi AP
+  * had calls to set/get pin values
+    * We can do even more with the reach in this respect
+
+* Modified the Tessel to run as an AP and Station at the same time [info](https://medium.com/from-the-nodebotanists-lab/ongoing-lab-experiment-using-the-tessel-2-as-a-wifi-access-point-and-station-simultaneously-4d9705b73c0d#.ams5j737g)
+
+* Wrote firmware for the Tessel 2 that
+  * Registered each Photon that connected to it and kept its IP
+  * Made various rest calls to the photons to get/send info
+
+I think we can take a lot of this experience and use it for designing the reach
+boards.