Interesting project to convert old cell phones

I have done things like this in the past.  Such as this.

But this is the first time I have seen an opensource like one. (Phonvert) that sounds like it has more power to it.

http://techcrunch.com/2016/03/14/phonvert-has-a-plan-to-convert-old-smartphones-into-iot-nodes/?ncid=rss&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Techcrunch+%28TechCrunch%29