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Learn About Electronics - Eric Coates

Many pages, illustrations and Interactive demonstrations in Electronics. A new section on AC electronics, designed to teach the basics of ...

Friday, January 12, 2018

Rigel – Embedded Controllers and Software

Manufactures embedded controllers for the 8051, ARM7, C166/C167, and ST10 processors. They supply the hardware, software, and textbooks for embedded Ethernet, industrial control, education, and research.

Rigel - Embedded Controllers and Software

Provides professional hardware design, OEM manufacturing services, and industrial software development for the 8051, and ARM7.

Rita-51J is a low-cost Internetworkable controller board using Rigel's Internet Technology Architecture (RITA). The MCS-51 / CS8900A combination takes advantage of readily available hardware and software tools as well as the wealth of publicly available applications source code.

Rigel – Embedded Controllers and Software

Reads51 - integrated applications software development system, which runs on an IBM PC or compatible host. Reads51 contains a C compiler, relative assembler, linker/locator, editor, chip simulator, assembly language debugger, and host-to-board communications in a user-friendly, menu-driven environment.

RitaBrowser - monitors and controls Internet appliances built with Rigel Corporation's RITA family of control boards. The RITA nodes may be on the Internet or on a private network such as a personal network or a company intranet.

RbHost - 32-bit Windows (TM) application, which combines an editor and a terminal emulator. It facilitates writing BASIC programs and downloading them to Rigel's embedded control boards. The BASIC interpreter may be in internal ROM, external ROM, or in RAM.

Rigel Corporation
4300 NW 23rd Ave, Gainesville, FL 32606

Coprolite Homebrew Computer Construction and Electronics

The first microcontroller I became fascinated with was the 8048 (and 8748). This site has a lot of info on the 8048 and Z80, including an 8048 Development System.

Coprolite Homebrew Computer Construction

"The roadside attraction of this site is the Z-80 Homebrew Computer. This was a project that I started in 1980. I moved many, many times between 1983 and 1996, and the project often was shut up in a trunk. In some cases I lost (or gave away) most of my equipment and parts."

Coprolite Homebrew Computer Construction and Electronics

"The first PC that I interfaced the homebrew computer to was a Toshiba 8086 laptop. This was back when it was just on a breadboard during the summer of '91. This was also when I built the front panel. These days, I use a uClibc GIAGD system, but there are a lot of old XTs and even newer systems that can be put to good use to control random projects like this. "

"I use a book called 80x86 IBM PC and Compatible Computers: Assembly Language, Design, and Interfacing Volume I and II by Muhammad Ali Mazidi and Janice Gillispie Mazidi for the nitty gritty stuff on the printer ports, which is where I found the above very cool debug test. It has many details on the design and Interfacing of PCs. Another good book is Parallel Port Complete by Jan Axelson."

Monday, January 08, 2018

Science Toys - Edutainment at Home

Make toys at home with common household materials, often in only a few minutes, that demonstrate fascinating scientific principles. See also the Science Blog, - Creator - Simon Field

Science Toys - Edutainment at Home

This Website is a valuable resource for students to learn basics and get interested in electronics and computers - delabs

Science Toys - Edutainment at Home

Electromagnetism: - An electric motor in 10 minutes

The motor is simply a battery, a magnet, and a small coil of wire you make yourself. There is a secret to making it (which I will of course share with you) which is at the same time clever and delightfully simple.

Other Projects - Fun with High Voltage, A 10 minute railgun, A 30 second motor.
    Radio: A quick and simple radio

    The reason a crystal radio does not need any batteries is the amazing capabilities of the human ear. The ear is extremely sensitive to very faint sounds. The crystal radio uses only the energy of the radio waves sent by radio transmitters.

    Others are Building a radio in 10 minutes, Build a portable crystal radio, A radio out of household items, A simple AM transmitter, The Three-Penny Radio.
      Computers and Electronics: A Computer Controlled Transmitter

      In this project we will build a very simple radio transmitter that you attach to a serial port on your computer. The computer then runs a free program that converts words you type into radio signals that are decoded by another computer, using a cheap radio receiver, and a sound card.

      More - A Free Space Laser Data Transmitter, Fun With Solderless Breadboards, A Simple 1 Watt Amplifier
        Hobby Projects - Insulation tester, LED Circuits, Meters.

        Practical Electronics

        Practical Electronics
        Basic Electronics, EE Reference Resource, Analog, Digital, Power and Electrical.

        Interesting DIY Projects

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