July 2008

Monitor Test Circuit with atmega88

Classic monitor test circuits have a colorful image. In addition to this, there is a sound output from the music of old ateri games. It can be useful for amp..

0-2A 0-30V Regulated Power Supply Circuit

0-30 volt regulated power supply main parts of the TL081 opamp and transistors (BD243, BD139, BC548) In addition to the display indicator volt meter circuit ICL7107 made ​​with voltmeter power..

Bipolar Stepper Motor Drive Circuit with TA8435 PCB

TA8435 motor control based on integrated circuits in 1.5 (2 max) can be controlled stepper motors, a lot of these values ​​robotics, CNC, etc.. adequate for the project authors have..

Lego Robot Project with PIC16F877 PIC Assembly

Two of the PIC16F877 microcontroller based on harsh economics Robot Barrier lego robot used a lot in part lego robot can be said also tip31, tip32 bridge motor driver with..

Ultrasonic Range Finder Circuit AD605 PIC16F876

Ultrasonic distance measurement, detection circuit pic16f876 microcontroller and ad605 (Dual Low Noise Variable Gain Amplifier singlesupply) integrated circuit diagrams used are C and asm software also Resimlerdede oscilloscope’s measurement. 40kHz..

Class A Headphone Amplifier with LM317 and IRF610 Mosfet

A simple headphone amplifier circuit 32Ω headphones ideal for basic elements 1 mosfet (IRF610) and the positive regulator (LM317) crating CD-ROM Box used circuit 10 .20 volts dc voltage is..

Electric Bike Motor Control Circuit TC4420 PWM PIC16F819

The pwm method is used in the motor control circuit, the microchip product tc4420 high speed 6 amp mosfet driver is used at the output of the pic16f819, while the..

PIC16F84 Simple LED Blink PIC-C

In this project, I PIC16F84A microcontroller PORTB bits to 0 (RB0) LED (light emitting diode) is connected. In the project, this LED is extinguished and burned at intervals of 250..

0-30V 0-20A Adjustable Switch Mode Power Supply SG3525 SMPS

SMPS for people dealing with issues, especially in high power and adjustable voltage current transformer in the power stages of a circuit that can be imitated EF16-V1, ETD49, EI48 used..

ASUS Eee PC Car Charger LM2576 DC DC 12V to 9.5V Converter Circuit

Asus eee mini notebook LM2576 based on the 9.5-volt to 12-volt input from 2.5A charging circuit-switched high quality beautiful design circuits with very little material is available in different applications…