More about RS232 (73)

| 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...

| 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...

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

| 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...

| 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...