The 555 timer chip is probably the most versatile non-programmable part I have ever seen. Over the past 40 years, many people have created at least hundreds...
May 31, 2011
May 27, 2011
The Multivibrator
Multivibrators, like the familiar sinusoidal oscillators, are circuits with regenerative feedback, with the difference that they produce pulsed output. There are three...
May 22, 2011
ISIS Proteus Simulator (Electronics Software)
Proteus is software for microprocessor simulation, schematic capture, and printed circuit board (PCB) design. It is developed by Labcenter Electronics.Proteus Virtual System Modelling (VSM) combines mixed mode SPICE circuit...
May 21, 2011
Metronome
A metronome marks time by producing a regular sequence of "clicks" or "pocks". Adjust the click rate by adjusting R2 or changing C1's value. That will varying the RC time constant so it will also varying the "delay...
Light Flasher
This circuit produces bright flashes every second or so. R1 controls flash rate. L1 can replace with 3V or 4.5V flash light or for simply you can use a LED for example.
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Zener Voltage Regulator
This circuit supplies a steady voltage (Vout) to a load from an unregulated supply (like a battery), Vin can vary but must be at least 1 volt above desired Vout. I, can vary from 0 mA...
Voltage Doublers
These circuit approximately double an incoming AC voltage. The output is DC. Use capacitors and diodes rated for twice the input voltage. Output ripple can be reduced by using large values for C1 and...
May 16, 2011
Fritzing (Electronics Software)
Fritzing is an open source GUI based program that allows users to document their prototypes, share them with others, show them in a presentation, and create a pcb layout for professional manufacturing. This is the latest version of Fritzing that...
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