You can easily run two miners in hiveOS, I can mine ETH algorithm with few cards and point the rest to ravencoin algorithm, I don't know how to do this on windows OS but I find it more easier with hive OS, you can use two different pools at once
Gridseed Orb 5 Chip ASIC USB Miner W/all Cables Scrypt Litecoin Sha256 Bitcoin
https://www.ebay.de/p/1176846289Product Key Features:
"Hash AlgorithmScrypt, SHA-256
Processing Speed (GH/s) 700kH/s"
These are not video cards. I also learn a lot about old mining hardware on this forum.
I am against mining on such devices because of the very low hash rate.