Hi friends. Thanks for your suggestion (expecially the ). I am afraid that this thread has been transformed to a GPU NVIDIA thread.
The problem is: how to get the maximum from a Raspberry Cluster? In a far and remote island, ONLY covered by the Wi-Fi signal.
I bought an OrangePi Pc2 board from China. It has a 64 bit 4/c ARM processor and a Mali450 exacore. It costs 18$. I am planning to add five OrangePi Zero Plus that have the same H5 processor but nothing else! (very very simplest board). Its cost is less than $10 (with wi-fi antenna). After that I would install a solar panel for 500 or 1000 watts. I think to install a fan generator.
EVERY SHARE IS A FREE SHARE AFTER THE START'S COSTS ARE COVERED
Ok. Miners usually ignore the ARM hardware in Linux Operating System (Androis is covered). I only found [url:https://github.com/tpruvot/cpuminer-multi/releases]THIS MINER FOR ARM[/url]. I installed it on Armbian Distro for OrangePi and it mines!!!!! Only with the CPU, but it works!!
IT'S PERFORMARCES MAKE YOU LOUGHING: 8H/s for Monero. Ha ha ha! Yes please don't lough against me! I am trying another GPU miner that probably will take the maximum from the board! I am happy because I really want to create a lower cost machine that mines with less than 300watt! Many thanks.