How to read the color codes of the resistors and tips. (6/25/2006)
Category: electronics circuits howto - Updated: 2009/08/02

Displays: LED Matrix

Information for the Common Anode LED Matrix Display for SA04-11EWA, NFM-12882BEG-11, LEDM88RG (Updated 7/3/2006)
Category: electronics circuits - Updated: 2009/07/23
disposable camera, strobo circuit strobe

Strobe from Flash.

After using a disposable camera, you can build a strobe light (flashing light) with one simple modification. (6/2/2006)
Category: electronics circuits light diy homemade - Updated: 2009/07/24

Tachometer Circuit.

A simple tachometer circuit using one NPN transistor. (12/04/2007)
Category: electronics circuits automobile - Updated: 2009/07/23
traffic light circuit, two ways.

Traffic Light.

A two-way traffic light using a CMOS 4017 and 555. To be used as toy only. (4/23/2006)
Category: electronics circuits light - Updated: 2009/07/23

Transformerless Power Supply.

Simple, low cost and easy to build power supply. Ideal for applications that doesn't requiere too much power. (5/28/2006)
Category: electronics circuits homemade - Updated: 2009/07/23
transistor tester circuit

Transistor Tester Circuit

A simple transistor tester that identifies if the transistor is a NPN or PNP and indicates if it is working properly. (October 3, 2009)
Category: circuits electronics - Updated: 2009/10/03
LED flasher oscillator two transistors easy to build circuit schematic

Transistor LED Flasher

A simple LED flasher that uses only two transistors, one capacitor and one resistor. This basic oscillator can have other simple applications. (6/10/2006)
Category: electronics circuits light diy - Updated: 2009/07/23

Where to get parts.

Tips to get cheap parts and some parts distribuitors than sell good and inexpensive parts. (6/10/2006)
Category: electronics circuits homemade - Updated: 2009/07/23

<Previous Page             Homepage    


If any information, data, picture or design infringes a copyrighted material, please send me an e-mail asking to remove it along with the supporting data.
Some features may not work with Google Chrome. © 2006-2010 Jose Pino - Powered by JPC Alpha