Category: Basic Electronics

Circuits FAQ - Introduction

26 June, 2007 (06:17) | Basic Electronics, Design | No comments

Circuits FAQ - Introduction Archive has been updated, errors and broken links checked, many new qna were added.The Circuits-FAQ is a Email Conversation Archive of delabs free services. When delabs helps out with any question or problem, free of cost, then it is archived here. This serves as a FAQ for the Visitors.So before asking [...]

Digital Seven Segment Clock Gadget

21 May, 2007 (13:08) | Basic Electronics, Projects | No comments

Digital Clock Web Gadget for Date and Time
This Web Gadget is for the Google Homepage, Web-page or blog. It has seven segment display, similar to traditional Digital Clocks in the dashboard. It will also indicate the date and week.

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seven-segment-digital-clock The Project Page
The javascript is as close as possible to a c program that [...]

Preset Digital BCD Counter

6 February, 2007 (08:49) | Basic Electronics | No comments

See a Tutor Digital up down BCD counter that will help you take the first step in digital electronics.

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Realted Resources

The 4029 CMOS Counter IC
hyperphysics - binary counter
7 Segment LED Counter
Frequency Counter: Counter Schematic

LED Running lights CD4017

6 February, 2007 (08:18) | Basic Electronics | No comments

This is a Gadget Tutorial for this Article LED Running lights CD4017.
This Demo shows LM555 running a CD4017 Counter to drive Ten Leds sequentially.

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Related Resources -

LED (Light Emitting Diodes) Circuits
White LED Drive Circuit
Back and Forth Flasher
Sequential 10-LED Flasher
Fun with LEDs
Optoelectronic circuits, LED circuits
FC’s Solar Circuits

Astable Multivibrator with 555

14 January, 2007 (17:04) | Basic Electronics | No comments

Astable Multivibrator with 555 or Astable 555 Timer FlasherThis is a tutorial with calculator to help learn the application of 555 which is a very rare chip innovation. It is simple, versatile, flexible and programmable (by tweaking of pots).

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The Art of Electronics

12 January, 2007 (09:32) | Basic Electronics | No comments

The Art of Electronics
The Art of Electronics covers the full range of subjects normally treated in electronics books, as well as a rich complement of important but neglected topics:

voltage and current; passive components; signals; complex analysis made simple
an easy-to-use transistor model
extensive discussion of useful subcircuits, such as followers, switches, current sources, current mirrors, differential [...]