There are a lot of Serial USB converter devices that use the the very popular FT8U232BM FTDI chip. Here is information what drivers you might have to install and what operating systems you can use the adaptor under. First of all, conveniently, the linux kernel has drivers for the chipset and automatically assigns a [...]
Here is a way to communicate with an old ISA card through your USB port. The USB2ISA from ARS Technologies allows the plugging in of any standard computer PC ISA card. What ARS has done here is worked out all the timing and transactions of the ISA bus and created a series of commands sent [...]
If you are an electronic hobbyist, you will find there are some chips that have the Inter-Integrated Circuit or I2C serial communications bus that controls the particular device. The advantage of such an interface is that you only need two signal lines (plus ground) for the entire bus regardless of how many devices you hook [...]