| This project is a card with eight optically isolated TTL-compatible inputs for external connection to the serial port, which communicates th...
| This project is a card with eight optically isolated TTL-compatible inputs for external connection to the serial port, which communicates th...
| This article describes a card with 8 open-collector digital outputs for external connection to a PC serial port. The design of this card is...
| This design is for a simple half-duplex optically isolated interface that converts a 20 mA current loop (connected to J2) into an RS232 sign...
| This transceiver electrically isolates the TxD and RxD lines from the PC, provides an isolated power supply and also looks after the bi-dire...
| Java is a world language. Many people think that this programming language, which was developed by Sun Microsystems, is only suitable for em...
| The micrologger presented here is remarkable because this device, no bigger than a matchbox, is a data logger and voltmeter that can operat...
| The ADM101E is a single-channel RS-232 driver and receiver in the Analog Devices Craft Port™ series, designed to operate from a single +5...
| The decoder discussed in this article sits between the output of a weather-satellite receiver and a free RS232 port on your computer....
| The wave file player is yet another circuit that offers the prospect of several hours of enjoyable tinkering. The PC and the soldering iro...
| The circuit presented in this article enables you to build a software-controlled 8-channel analogue switching unit that will be hard to be...