Repair broken Nebra indoor with eMMC failure

The first versions of Nebra indoor miner came with CM3 (Raspberry Pi Compute Module) embedding eMMC memory. As you may know, Helium has been really I/O intensive, particularly this summer when the blockchain was filling really fast the small amount of storage the CM3 has. As a consequence, all my Nebra indoor miner dead around the same week. Diagnostic seemed to be a storage failure.

Here is the story about making them live again

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Introduction to Internet of Things

Recently I made a presentation on Internet of Things for ClermontTech ApiHour show ; normally video should be published soon. For those who are interesting in this topic, here are the slides with the associated comments.

http://slid.es/disk91/internetofthings

Have fun !