Homemade crypto USB mine . https://youtu.be/T3eyIVC15mY | By JLCPCB | Facebook | Raspberry Pi right here. I also threeD printed the case myself. So, all of them is connected to this Raspberry
RedFury 2.6GH USB miner now available - CoinDesk
Amazon.com: ASICMiner Block Erupter USB 330MH/s Sapphire Miner : Electronics