Basic Digital Electronics Tutors

These Digital Tutors are interactive and started with very basic JavaScript and CSS. You can operate the controls and see the Truth Table and Results in LED Displays.
Logic Probes for Digital Testing

Digital Test and Measurement Starts with Logic Probe – Any point in a Digital Circuit can be High, Low, Float means TriState.
Electronics Today Magazine

Electronics Today International or ETI was a magazine for electronics hobbyists and professionals. Originally started in Australia in April 1971, ETI was published in the UK in 1972.
Electronics Handbook

Electronics Handbook thinks of you who dig electronics as the last of a special breed. It’s more than Just the “do-t-yourself’ angle — It’s also the spirit of adventure.
Mains Transformers Types

Low Frequency Power Transformers are used to step down mains voltage of 230V or 110V to safer voltages like 12V and 6V.
RCA Hobby Circuits Manual

This Manual presents many practical and useful solid-state circuits which can be built by electronics hobbyists ranging from beginners to experts.
Stephen Ostermiller Code

Stephen Ostermiller has many interesting and innovative code that will help you learn the right way to write code in JavaScript or Perl . Some of the highlights are Scientific Calculator, Triangle Calculator, Contact Form, Tic-Tac-Toe Graphing Calculator Programs, Java Utilities, RSS Reader and Random Password Creator.
Low Cost AM FM Stereo Receiver

FM stereo demodulation is accomplished by the use of the LM1800 phase locked loop, thereby eliminating the need for external coils. The AM function of the receiver is done completely with the LM3820 AM radio system. While designed for 3 section tuned superheterodyne application.The LM382 dual preamplifier was selected for its minimum parts count and low noise capability.
DMM with ICL7103A and ICL8052A

The purpose of this application note is to describe the operation and potential pitfalls of a 10V resolution (VREF = 100mV) 4 1/2 digit autoranging scheme using the ICL7103A/ICL8052A pair. Two auto-ranging circuits are included within the text. Each is discussed in terms of its advantages and disadvantages.
Battery Operated Auto Ranging DVM

This application note describes a technique for auto-ranging a battery operated DVM suitable for panel meter applications. Also, circuit ideas will be presented for conductance and resistance measurement, 9V battery and 5V supply operations, and current measurement.
Pin Note Web Gadget

This is a Tiny memo Pad that will have Sticky Notes on Webpage, saves in cookies. This Web Gadget was for the Homepage, Web-page or blog. Pin Notes. This is not an electronics gadget, but i wanted to try building it, The inspiration for this has been Stickies. Which i have been using for some time. So i built this for my learning.
ATmega328 Single Board Computer SBC

The Atmel 8-bit AVR RISC-based microcontroller combines 32 KB ISP flash memory with read-while-write capabilities, 1 KB EEPROM, 2 KB SRAM, 23 general-purpose I/O lines, 32 general-purpose working registers, 3 flexible timer/counters with compare modes, internal and external interrupts, serial programmable USART, a byte-oriented 2-wire serial interface, SPI serial port, 6-channel 10-bit A/D converter...
Omnispace and Agora-Project

Agora-Project is the open-source software on which the Omnispace service is based. Omnispace is a collaborative work platform: it is a website and a service that centralize knowledge management and project management tools.
Analog Bargraph Clock

Analog Clock, Linear Display of Time Elapsed using Bargraph, Shows Week Days and Month Days Passed. The WD indicates Complete Week Days passed and MD is Month Days Completed. This is not the date, date is MD+1. This is an example of CSS Animation, that was the Motivation for this clock
CPick - HTML or HEX Color Picker

Sam Francke created a versatile freeware for a web designer or programmer. The colors for the GUI for the Web Application or Software can be chosen by this extremely useful software. Program to get colors from your screen with the build in magnifier. Zoom 1 to 10. Modify colors with the RGB or HSV slide bars. Copy the color to the clipboard as Hex, Decimal, RGB or HSV value.
ExpressionEngine Content Management

ExpressionEngine is a flexible, feature-rich content management platform that empowers hundreds of thousands of individuals and organizations around the world to easily manage their web site.
PanZoom - Zoom Scroll Picture

PanZoom is a lightweight native JavaScript library for panning and zooming elements using CSS3 Transformations. It’s built to have a small footprint and be and simple to use. All your elements given by your selector will now have panning and zoomming functionality. For example, we could have the class panzoom which has many elements.
Oscilloscope with JavaScript

The Oscilloscope is a Real Time Graph of Volts Y and Time X at any node of a circuit. It can show both AC and DC. This is a Virtual JS Oscilloscope - Fourier Series Periodic Waveforms using JavaScript. This is a Toy Scope or a waveform display which i will integrate with my other tutors to display AC points in place of voltmeters. Virtual JS Oscilloscope
Sylpheed Email Client

Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client. Sylpheed provides intuitive user-interface. Sylpheed is also designed for keyboard-oriented operation, so Sylpheed can be widely used from beginners to power users.
Digital Alarm Clock

Digital Alarm Clock Web Gadget with Musical Alarms. This Web Gadget is for the Web-page or blog. You can set Five Alarms with Ten Selectable Musical Sounds and a small Text memo. The simulation is as close as possible to a uC based Clock which you could build, The GUI is more like a electronic gadget than a Software Application. That should charge you to build your Alarm Clock today. ... Alarm Clock Manual