How-To Overcome the Perils of Moving Data via RS-485 I. Background and Objective The RS-485 communications standard was introduced in 1983 by the Electronic Industries Alliance (EIA) as a two-wire, half-duplex, multi-drop alternative to the point-to-point…

Sealevel recommends using the installed COM numbers if at all possible to avoid system conflicts. If you previously installed a USB or PCMCIA serial interface, it will have resources assigned by the operating system. If the device is not currently connected…

Sealevel recommends using the installed COM numbers if at all possible to avoid system conflicts. If you previously installed a USB or PCMCIA serial interface, it will have resources assigned by the operating system. If the device is not currently connected…

Asynchronous Communications Overview Asynchronous communications is the standard means of serial data communication for PC compatibles and PS/2 computers. Serial data communications implies that individual bits of a character are transmitted consecutively…

Bluetooth Communication Communicating via wireless connection has become commonplace in the 21st century. Cell phones, laptops, PDAs and other electronics constantly remind us of this trend. As this capability has become more widespread, so has the desire…

Impact of Architecture on Performance of USB to Serial Adapters "We were stunned at the performance difference between brands of multiport USB to serial adapters." Design architecture is the critical element. Findings There is a significant difference in…

The ACC-188 USB synchronous serial radio adapter (Item# 9065) and free software from DISA enables tactical radios with the capability to transmit and receive IP data such as email, text messages, GPS maps, images, coordinates, and other communications. The…

Definition of 9-bit framing 9-bit data framing is a simple, yet effective, method of allowing many embedded devices on a multidrop network to maximize processing time. This data transfer method is designed to improve the performance of the embedded devices…