More about RS232 (74)

1-07-2001 | This circuit represents an interface converter between the UART pins of a microcontroller (with TTL levels) and a ‘standardised’ RS232 port...

1-07-2001 | Back in October 2000 we described a versatile I2C bus interface that plugged into the PC printer port. Nowadays the PC serial port is rarely...

1-06-2001 | This project is a card with 32 analogue inputs with 12-bit resolution each for external connection to the serial port. The feature par excel...

1-04-2001 | Early 1995, Yamaha introduced a new range of synthesizers with interesting interface capabilities. For the first time, these machines were c...

1-01-2001 | Going through our archives we discovered that it’s been almost ten years since we published an EPROM emulator. The version we propose in thi...

1-07-2000 | This project is a card with eight optically isolated TTL-compatible inputs for external connection to the serial port, which communicates th...

1-07-2000 | 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...

1-07-2000 | 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...

1-05-2000 | This transceiver electrically isolates the TxD and RxD lines from the PC, provides an isolated power supply and also looks after the bi-dire...

1-03-2000 | Java is a world language. Many people think that this programming language, which was developed by Sun Microsystems, is only suitable for em...