FTDI tried the "filter the clones" thing. It didn't go well: https://hackaday.com/2016/02/01/ftdi-drivers-break-fake-chips-again/ https://hackaday.com/2016/02/0

FTDI tried the "filter the clones" thing. It didn't go well: https://hackaday.com/2016/02/01/ftdi-drivers-break-fake-chips-again/ https://hackaday.com/2016/02/01/ftdi-drivers-break-fake-chip... Interestingly, all the Saleae clones seem to be based on the Cypress USB2 devkit. I also wouldn't even be considering buying a real Saleae device without having used a $5 clone first.