October 2008

8051 ADC0808 Lcd Display Voltmeter

ADC converter Structure: Most of the physical quantities in the outside world are analog values. For example, heat, temperature, weight, humidity, light intensity, sound intensity, etc. They always change analogously…

For Car Led Neon Circuits

2 Application There pic16f626 application with PWM and LED lasts probably a variety of effects there proteusd the need to try the other simple series-connected LEDs and for limiting resistance..

12V to 22V IR2184 Coreless DC DC Converter Circuit

A converter dc-dc converter circuit power that increases 12v input voltage to 22 volts 5 amps Driver stage IR2184, 2 mosfets BUZ11 2 fast diodes MBR1645 (16 amps 45 volts)..

TL494 PWM Motor Control

There are motor driver circuits made with TL494 pwm control IC, different circuits powered by low current P channel N channel and N-P channel mosfets without using mosfet. There are..

8051 Calculator Circuit

8051 Calculator Circuit Operation As seen at half one has to use the keypad and an LCD with 8051. The keypad consists of rows and columns. When the button is..

AT89S52 LCD Display Stepper Motor Control Example

AT89S52 Stepper Motor Control Stepper motor, the motor angular position is changing in steps. This engine is moving into specific steps, according to the windings is controlled by sending signals…

AT89C51 Keypad Controlled Scrolling LED Dot Matrix Text

AT89C51 Scrolling LED Circuit Operation: Keypad’t the values ​​entered the program through is continually monitored, “*” key is pressed unless the display of the first letter that section required all..

PIC16F84A Four Programmed LED Animation Circuit

Used microcontroller PIC16F84A four different study program on 8 leds switch is turned off, the program begins to work every key LEDs in different ways combustion provides all the source..

AT89C51 LCD display Frequencymeter Project

Frequency in all matters relating to the definition based on frequency is required. In the same way the numeric (digital) Frequency frequency to do the same as the description of..

Electronic TIG Welding Project

To indicate that I’d like the system is so complicated 🙂 known such a powerful circuit (200 amps) normal abundance IGBT used circuit diagrams to be mixed normal at the..