Poor Man's Bitcoin Mining Rig, ASICMiner USB Block Erupter …

ASICMiner USB Block Erupter with fan in USB hub taped to card stand; not an epic rig by any stretch of the imagination but fun for pulling in 0.01 BTC or so per week.

Bitcoin Mining on the Cheap? USB Block Erupter ASIC Miner Review

Mining is changing, but not the Way you Expect., by Rishab Chakraborty

The Brief History of USB Bitcoin Miners

ASIC USB Block Erupter Bitcoin Miner 333 MH/s - VERY RARE

My Early Bitcoin ASIC Miners (2013-2014) - Pictures / History

PDF) Energy Efficient Bitcoin Mining to Maximize the Mining Profit: Using Data from 119 Bitcoin Mining Hardware Setups

Small Miner Hits Bitcoin Block With USB Miner!?, What Are The Odds?, Solo Mining

My Early Bitcoin ASIC Miners (2013-2014) - Pictures / History

PDF) Energy Efficient Bitcoin Mining to Maximize the Mining Profit: Using Data from 119 Bitcoin Mining Hardware Setups