Electronic Circuits and electronic circuits, electronic schematics plus an extensive resource for hobbyists, inventors and engineers

DiscoverCircuits.com, has 40,000+ electronic circuits, cross-referenced
into 500+ categories.    We have searched the web to help you find quick design ideas.
We make every effort to link to original material posted by the designer. 
Please let us if you would like us to link to or post your design.

HOME Schematics Index Hobby Corner Dave's Circuits Electronic Resources Contact Info
Imagineering Ezine    Discover Solar Energy Dave Johnson & Associates Faraday Touch Switches


Data Communication Bus  Page 4
(CAN, LVDS, Ethernet, RS-232, USB, etc)

   
  Data Communication Bus: 
#-C     D-E     G-M      P-R      S-Z       
Last Updated on: Wednesday, November 29, 2017 05:38 AM


Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

PC Monitors Two Way RS232 Transmission -  02/01/01 EDN-Design Ideas EDN is migrating links. This link is not verified.  Search the "title" + EDN for new link.
PCI-X Gigabit Ethernet Card Design -  Pericom Semiconductor Application Note # 082 (app note added 3/06)
Protecting USB Data I/O Ports -  MicroNote 117 from Microsem.....[App Note]
Reference Board User Guide for PI7C8152 -  Pericom Semiconductor Application Note # 069 (app note added 3/06)
Regulator Circuit Generates Both 3.3V & 5V Outputs from 3.3V or 5V to Run Computers & RS-232 -  DN71  Design Notes (Linear Technology) (app note added 6/06)
RS 232 to TTL converter tests UARTs with a PC -  29-May-08 Issue of EDN  A simple RS-232-to-TTL converter tests UARTs using a PC's serial port for power..... [Design Idea by Matthieu Bienvenüe, Malissard, France]
RS-232 Autobaud for the PIC16c5x Devices -  Microchip Application Note Published 1-Apr-99  (app note added 3/06)
RS232 Booster -  RS232 ports of modern laptops are not always complying with the original RS232 standard. If RS232 levels are expected to be +/- 12 volts,.....(electronic circuit added 4/05)
RS-232 Data Switch -  In 1989, at university, after the success with submitting a writeup about my homemade 68008 single-board computer as a co-op work term report, I hatched the idea of building another piece of gear that I wanted anyway, and submitting it as an EE499 project. EE499 was the course code [Designed by Markus Wandel]
RS-232 Db-9 Switch-To-Flip Between Two Serial Ports -   got a problem with my notebook, because it has only COM1. My programmer board, Easy-Downloader must use serial port and the application board also needs to communicate via the same serial port. I do remembered I have to swap DB9 connector of both devices many times. So I spent 30 minutes built above simple hardware. Of course.....(electronic circuit added 4/05)
RS232 Expander -  Simple hardware expands COM1 to COM1/1 and COM1/2.  (circuit added 09/09)
RS-232 Interface Circuits for 3.3V Systems -  DN75  Design Notes (Linear Technology) (app note added 1/06)
RS-232 Laser Transceiver -  Laser based projects used to be expensive, until the development of solid state lasers.  This project is designed for the entry level laser experimenter. The circuit allows any two computers with serial (RS-232) communication capability to communicate over 200 meters using a laser beam. A low cost transmitter only circuit is also presented here for use in one way communication and other laser based projects.....(electronic circuit added 4/05)
RS232 Level Conversion -  RS232 Level conversion.....
RS-232 Line Driver Power Supply -  National Semiconductor Application Note   (app note added 2/06)
RS-232 Line Monitor & Loopback Cables -  (electronic circuit added 4/05)
RS-232 Overvoltage Protection Circuits -  (electronic circuit added 1/03)
RS-232 Protocol Analyser -  (electronic circuit added 4/05)
RS-232 Serial Port Buffer Circuit -  (design circuit added 8/02)
RS232 Serial Port PIC Programmer -  PIC Programmer is an essential tool if you wish to learn or build projects with Microchip PIC Micro Processors.  This programmer is for those who do not have a Parallel Port on their PC. Programmer may be used with Free Windows Software such as "PIC PROGRAMMER Professional Serial" from Oshosoft and may work well with other serial programming software. ….(design added 11/08)
RS232 Serial to USB Converter -  This is simple RS232 Serial to USB Converter that doesn’t need any further explanations. You can use it for any projects that might need it. Diagrams for USB and DB-9 female connectors are provided. ….(electronic schematic added 11/08)
RS-232 Surge Protection -  (electronic circuit added 11/05)
RS-232 to IRDA Convertor using Vishay Toim3232 -  (electronic circuit added 4/05)
RS-232 to TTL Cable -  (electronic circuit added 4/05)
RS-232 to Wireless Instrument Data Channel -  This is an adapter that allows a terminal to communicate via a 100 MHz data channel with peripherals on the same desk top. Keystrokes from the terminal are are received through the RS-232 connection and sent through the 100 MHz RF data channel.  (ATtiny2313, AT90S2313).....
RS-232 Transceiver with Automatic Power Shutdown Control -  Design Notes (Linear Technology) (app note added 1/06)
RS-232 Transceivers for Hand Held Computers Withstand 10kv Esd -  DN64  Design Notes (Linear Technology) (app note added 3/06)
RS-232/485 converter has automatic flow control -  04/12/01 EDN-Design Ideas.....RS-485 communications can provide longer range and better noise immunity than RS-232, as well as multidrop capability. Because it does not have separate transmit and receive lines, RS-485 requires flow control.….PDF contains multiple circuits, scroll to find this circuit..... [Design Idea by John Howard, Kw Aware, Ventura, CA]
RS-232/DALI Bridge Interface -  Microchip Application Note Published 26-Apr-02  (app note added 2/06)
RS-232: Lowe Hf-225 Interface -  If you have access to a Lowe HF-225 shortwave receiver, then you might be interested in this page. If you don't, then you'd probably be better off leaving now. What follows is a project I completed some time ago, which allows the Lowe HF-225 to be controlled from a PC, or other device with an available RS232 port. The Rx has an input for a remote keypad, and, consequently, was begging for me to hook my PC up to it. I don't feel the need to spell out the advantages,.....(design added 07/08/09)
RS-232C circuit has galvanic isolation -  04-Feb-99 Issue of EDN  Galvanic, or electrical, isolation is a well-established technique for noise reduction and works best in computer and industrial systems in which noise can seriously affect data transfer. Isolation removes ground-loop currents and their associated noise voltages from data lines.....file has several circuits, scroll to this one..... [Design Idea by Ioan Ciascai, REI Data, Napoca, Romania]
RS-232c Communication using UART -  Toshiba 870X Series Application Note  (app note added 2/06)
RS232c Interface Meets Telecommunications Safety Specs -  09/28/95 EDN-Design Ideas.....RS-232 isolation circuit..... EDN is migrating links. This link is not verified.  Google the "title" EDN for new link.
RS-232c Interface with Cop800 -  National Semiconductor Application Note  (app note added 2/06)
RS232C Level Converter -  A circuit for RS232C level converter, MAX232 and DS275… [Wichit Sirichote]
RS-232c Level Converter using Transistors -  There're many, who built the Easy Programmer or C-52 EvaluationBoard, asking for the RS232C level converter chip, DS275. Many have changedto MAX232 instead, because of not available in his home. Here is anothersimple and cheap circuit using small signal transistor providing TTL toRS232C level converter..... [Wichit Sirichote]
RS232c Line Driver IC Drives Power MOSFETs -  10/24/96 EDN-Design Ideas.....Easy to effect an interface between power MOSFETs and TTL circuits.… [Design Idea by Santosh Shetty, NCRA, Pune University, Pune, India]
RS232c Link Monitors Animal Activity -  11/06/97 EDN-Design Ideas.....A common need in biological experimentation is the ability to unobtrusively monitor the activity of small caged animals, such as mice, rats, and rabbits, as they move about their enclosures.  This monitoring must be over long periods and around the clock. The circuit in..... [Design Idea by W Stephen Woodward, University of North Carolina--Chapel Hill]
RS232C Powers & ReaDS 8 Bit Switch Matrix -  04/11/96 EDN-Design Ideas..... EDN is migrating links. This link is not verified.  Search the "title" EDN for new link.
RS232c Serial Port Scans Remote Keypad -  12/04/97 EDN-Design Ideas.....In many embedded or control applications, you might prefer to use a small, customized keypad with your PC-based system rather than a full-fledged alphanumeric keyboard. You may also need to locate the keypad some distance from the system hardware. If you have [Design Idea by SK Shenoy, NPOL, Kochi, India]
RS-232-to-RS-232 Port Powered Optical Isolator -  Brochure with schematic in PDF format / (added 7/02)
RS485 Transceivers Operate at 52Mbps over 100 Feet of Unshielded Twisted Pair -  DN168  Design Notes (Linear Technology) (app note added 1/06)
RS485 Transceivers Reduce Power & EMI -  DN102  Design Notes (Linear Technology) (app note added 1/06)
RS485 Transceivers Sustain ±60V Faults -  DN203  Design Notes (Linear Technology) (app note added 1/06)
RS485-Like Multi-Drop Bus with Half Duplex Serial Protocol -  PBUS is an RS485-like multi-drop bus for interconnecting PIC and other microcontroller-driven devices. Protocol and software is written by Jap. Just include a separate pbus library file into your project and add your command handlers for the specific device in a few lines..... [Peter Jakab, Electrical Engineer, Engineer of Informatics]

      Data Communication Bus:  #-C     D-E     G-M      P-R      S-Z       


HOME Schematics Index Hobby Corner Dave's Circuits Electronic Resources Contact Info
Imagineering Ezine    Discover Solar Energy Dave Johnson & Associates Faraday Touch Switches


 About Us   |  Advertise on DiscoverCircuits.com   |   Report Broken Links  |    Link to DiscoverCircuits.com  |    Privacy Policy

Copyright  January, 1998 - November, 2017     David A. Johnson & Associates.  All Rights reserved. 
 Linking is ALLOWED but COPYING any content or graphics to your web site is EXPRESSLY PROHIBITED.