Electronics Infoline Web

RS-232 Level Converter

This is a basic RS-232 transmit/receive circuit that is necessary for PIC microcontrollers to reliably communicate with a PC serial port.

http://www.semifluid.com/RS-232_level_converter.html

Serial mouse interface for Commodore 64

The interface described in this article is based on a Microchip PIC16c84 microcontroller.

http://www.funet.fi/pub/cbm/documents/projects/interfaces/mouse/Mouse.html

Serial Port A/D-converter

a simple 8-bit analogue to digital converter circuit which is connects to PC serial port

http://www.tkk.fi/Misc/Electronics/circuits/ad_serial.html

Serial port controller infrared transmitter

using PIC16F628

http://jap.hu/electronic/irtx_pic.html

Serial port drives 12-bit ADC

http://www.edn.com/archives/1995/101295/21di5.htm

Serial port drives low-cost, three-wire DAC

allows you to control low-cost, three-wire D/A converters through a PC serial port

http://www.edn.com/archives/1997/030397/05DI_03.htm

Serial Port IR Receiver

AVR-Based

http://www.happy-beginnings.de/IR/

Tricks increase utility of parallel port

In this simple application of the 68HC68 microcontroller serial-I/O utility, the goal is to configure a simple circuit, driven by any LPT parallel-printer port, which you can use as a remote I/O for a PC. You can independently program each I/O line as eit

http://www.edn.com/article/CA159689.html

Universal Serial Bus Links

description, organizations, IC manufacturers, connector specifications, cable and software

http://www.interfacebus.com/Design_Connector_USB.html