• Serial Communication Tutorial

Aug 3, 2017 - Arduino Delphi Serial Communication Linux. 1- Wire is a device communications bus system designed by Dallas Semiconductor Corp. The 1- wire bus enumeration protocol (described later), like other singulation protocols, is an algorithm the master uses to read the address of every device on the bus. Rave Rover’s Chris Williamson made a portable DIY dancefloor, sharing instructions and schematics. Like with many projects similar to this, an Arduino board controls pretty much everything. The floor is dominated by powerful LED lights, which respond to a Serial Peripheral Interface (SPI).

Serial Communication Tutorial

This article will explain the following topics in details: 1) 2) 3) After reading this page, you should be able to understand most of the hardware and software (protocol) standards for RS232. If you have a chance to test your RS232 devices with the 232Analyzer software, you should be able to control your RS232 devices in a short period of time. Step 1: Understand RS232 Connection & Signals RS-232C, EIA RS-232, or simply RS-232, refers to the same standard defined by the Electronic Industries Association in 1969 for serial communication. DTE and DCE DTE stands for Data Terminal Equipment.

A computer is a DTE. DCE stands for Data Communication Equipment. A modem is a DCE. DTE normally comes with a Male Connector, while DCE comes with a Female Connector. However, that is not always true. Use the simple way below to confirm: Measure Pin 3 and Pin 5 of a DB-9 Connector with a Volt Meter, if you get a voltage of -3V to -15V, then it is a DTE device.

If the voltage is on Pin 2, then it is a DCE device. Note: The result for a DB-25 Connector is reversed (Please refer to DB-9 to DB-25 conversion table below). RS-232 Pin outs (DB-9) A male DB-9 connector viewed from the front. Reverse or back view of male connector for Female Connector.