September 2008

Adjustable Bass Filter Circuit

Of a power amp bass amp filter circuit can be used in different times, in addition + – 60 + symmetrical voltage – 15 volts regulator circuit for limiting transistor..

TTL CMOS Databook Program

IC-Databook free handy catalog for 40 and 74 series integrated. program 230 has integrated information from the Edit menu additions you can make in the Datasheet and Directory partition information..

PIC16F827 Remote Controlled RGB Light Bulbs Lamp Project

Previously PIC16F628 and a similar share had been made in this project is more or less there used microcontroller pic16f627 3 pieces 220v 40w 60w can be used MOC3020 Optodiyak..

PIC16F876 PWM Fan Speed ​​Control

PIC16F876 with PWM applications can be an example of a project 9 fans can be controlled 3 BUZ72 Mosfet with the PIC outputs reinforced LM60 temperature sensor information from the..

80M Transceiver SSB-CW LA1185

I’ve made a few changes to the design of the transceiver. Changed the layout of the printed on the plate. Dodalem emisje CW. I added the emissions CW. Pressing PTT..

AT89C51 L293D Motor Control Project

AT89C51 L293D Motor Control Circuit Operation, Our project name and the name suggests, the treadmill is the motor control is required. When designing this project, I saw fit to use..

2X30 Volt 300Watt Switch Mode Power Supply TOP250Y

The PCB schematic files of the Smps circuit built on the TOP250Y SMPS IC are designed for the power supply of the 300w Amplifier circuit. There are 2x30v 8 amps..

Guitar Studio 400W Power Amplifier Circuit PCB

The administration, indicating and switching located on the front and back panels. For each of the entrances there is a regulator of the amplifier input to establish the necessary sensitivity…

Hi-Fi Power Amplifier 100W with TDA7250 Driver

TDA7250 power output stage The main element of the offered power stage is a custom TDA7250 integrated circuit from SGS Thomson. It is a complete two-channel power transistor driver that..

Microcontroller Controlled Metal Detector Projects

Result of displays in the form of two scales, which are estimated to judge the material goal.In addition, the screen is small scale level of response and the current supply..