EDN

RS232 to SPI Interface Converter

The project provides the conversion between an RS232 serial interface and an SPI interface which uses the SSP port on a 16F819 device. It is possible to send any sequence of bytes on the SPI interface ...
EDN

RS232 to I2C Interface Conversion

The microchip PIC microcontroller incorporates an I2C interface on one side using bit-banging on a 12F675 device and an RS232 serial interface on the other. The RS232 in this device refers to ...
Ars Technica

Can I use a parallel port as a com port for RS232?

???<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 ...
Electronic Design

Bring Back the RS-232 Serial Port

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 ...