On Thu, Jan 30, 2020 at 07:12:51PM -0600, Rick Engebretson wrote: > Thanks Ryan. > > The first thing I want is an RS232 to TTL board. Hi Rick Maybe not exactly what you want, but you can get FTDI 'cables' which are TTL RS232 one side, USB the other, with full flow control. https://www.ftdichip.com/Products/Cables/USBTTLSerial.htm And there are other vendors making similar things. Andrew