April 2008

IR2153 ATX Transformer with Symmetrical Output SMPS Circuit

They say 🙂 This should be simple SMPS IR2153 and basic materials, as well as passive components symmetric with a goat SMPS Circuit Control Circuit IR2153 is based on very..

SMPS 12V 40A Switching Mode Power Supply Circuit SG3524

In fact, this circuit was mentioned in my Switch Mode Power Supply SMPS article, but a sought-after circuit can be overlooked. It caused me to write a separate article for..

24V to 12V 10Amp DC DC Converter Circuit TL494

DC DC Converter Circuit Based on TL494 PWM control IC, it reduces the 24v dc input to 12 volts. It has 10 amperes of power. There is a protection circuit..

Simple DSPIC Experiment Development Board

Beginner level LEDs, buttons, analog input, 24Cxx EEPROM and serial communication with the PC I did try a little experiment where you can make your own set. Wishing to be..

JFET Compressor Circuit

Compressor Circuit -Ratio-Threshold-Attack and Release controls Out Level bypass feature ensures that there is a 9 volt battery works with sprint circuit layout prepared by PCBs The proposed compressor is..

PIC Development Boards PIC16F84 PIC16F873

A PCB with firmware to exploit and test all the functions in this PIC microcontroller. The board features a LCD, keyboard, piezo sounder, Real Time Clock with backup power, I2C..

Atmel Avr AT89C2051 AT89C4051 USB Programmer

* The aim of this project was to create a USB programmer for AT89C2051/4051 Atmel microcontrollers. The device is designed to flash memory chips describe a loaded and can be..

Philips RC5 Remote Dimmer with PIC16F628

The purpose of the remote dimmer control circuit TV (Philips RC5 code) 220V lamp with brightness adjustment can be made. Increase and decrease +10, -10 and +1, -1 as is..

ATMEGA128 ATMEGA32 PC Controlled LED Matrix Animation LED Signs

Serve to control the 128×64 graphic LCD with a preview of the contents of the array and menu graphics. The heart of the controller is Atmega 128 CPU for communication..

TDA1516BQ Amplifier Circuit with PC Card PCB

Almost all modern sound cards are no longer integrated audio amplifier. For all those who have no external active speakers on the PC operating system, is This small stereo amplifier..