Although serial port connections have been replaced by USB ports in most computers, older business equipment such as fax machines and printers may still utilize them. When a serial port stops ...

A PC’s serial port provides signal lines that you can use to read voltage levels of digital circuits. You can use the port to test digital TTL (transistor-to-transistor-logic)-level circuits. You just ...

The project illustrates aims to produce a multiplexer that would allow the connection of 4 devices to a single RS232 port. The one single port can be used to control even an arbitrary number of ...

???<BR><BR>I have a propriatery RS232 device that I need to connect to a computer that has no serial ports (newer laptop). The hardware has a dongle incorporated into the cable to unlock the software ...

Your friend is mistaken. This serial port he is talking about is called "CGA" and closely resembles a serial port. However it still requires a graphics card and a monitor! You can convert a CGA signal ...

The Cummins JetSort line of coin sorters can be purchased with a number of options that greatly expand the coin sorter's capabilities. One of these options is a set of four RS232 ports that allow you ...

There is a gotcha lurking in wait for hackers who look at a piece of equipment, see a port labeled “Serial / RS-232”, and start to get ideas. The issue is the fact that the older the equipment, the ...

I know, RS-232 is not gone completely but in most things it has disappeared. Recently I bought a new laptop to use in my ham shack. I have several older accessories that use RS-232 and I had hoped to ...

Designed for use in multidrop RS-232 applications, the MAX3322E and MAX3323E transceivers feature a switchable input impedance, with the impedance capable of being an RS-232, 5-k? load or a ...