Digital Circuit Design
2020-12-22
These circuits are based on CD40xx Chips and other. You can use 74HCT or any other series that is available. use one family for a particular project. These were usedRead More
LM3914 – Dot Bar Display Driver
2020-08-20
The LM3914 is a monolithic integrated circuit that senses analog voltage levels and drives 10 LEDs, providing a linear analog display. A single pin changes the display from a movingRead More
The Incredible and Versatile 555
2020-07-16
The Incredible and Versatile 555 : These are some 555 circuits, The most versatile and simple chip of all time !. Some 555 circuits with source in the Cadsoft EagleRead More
Basic Electrical Circuits
2019-07-04
Electrical Engineering encompasses Everything in Electronics. Communications, Computers etc. are further specializations of Electronics. So it is best to Identify Electrical Circuits with Electrical Designs which excludes Active Devices. ItRead More
Simple WorkBench Dual Power Supply
2017-12-12
I will just explain part of this circuit. D9 and D10 provide a low cost -1.4 from -5 V. This is needed to reach near 0.00 for LM317 Min. setting.Read More
eCircuit Center – Spice Schematics
2017-11-17
“The goal is a site where the learning of electronics is hands-on and fun. And the SPICE circuit simulator is a great software tool to achieve that goal. It hitRead More
PWM Control Circuit – TL494
2017-10-19
The TL494 incorporates all the functions required in the construction of a pulse-width-modulation (PWM) control circuit on a single chip. Designed primarily for power-supply control, this device offers the flexibilityRead More
Interface ICL7135 Voltmeter to Atmel 89C52 or PC
2009-08-02
This circuit is an interface between 89C52 of Atmel with 7135 of Intersil. With This circuit you can read analog data of both polarities you can change the range scaleRead More