I developing a C# application that write and read from a Relay Board.
Looking for a Visual C programmer that go trough this solution and create a DLL from it that I be able to use in C# . It uses hex to send and recive data from the serial port.
Here is the Solution [url removed, login to view]
Here is how the card works [url removed, login to view](USB%20DAQ%20&%20Relay%20Card%20devices%20-%20Installation%20&%20Quickstart%20Guide).pdf