July 2010

Frequency Adjustable Bass Crossover Circuit

The adjustable frequency Bass Crossover circuit is based on two opamps (tl071 tl072) integrated circuits, the operating voltage is symmetrical +15v -15v, there are two pots for gain and frequency..

60 Column Dotmatrix Scrolling LED Sign Circuit PIC18F452

The software installed on the marquee circuit PIC18F452 microcontrollers with PicBasic pro isis proteus simulation prepared and drive times ares pcb board pcb files have led matrix. Text pic is..

Level indicator with LCD VU Meter PIC16F877

It was a suitable title for the circuit, you can make a simple voltmeter or vumeter circuit with a 2×16 LCD display with pic16f877, the system is almost the same,..

GTP USB programmer Circuit

While browsing through the archives, I noticed that I downloaded the famous GTS USB programmer files from somewhere, now it is a classic programmer circuit, but it has many users,..

Regulated Buck-Boost DC DC Converter Circuit

This circuit is an example of a simple Buck-boost converter circuit. By applying the input voltage from 3v to 15v outlet will receive a fixed value that you set. Determines..

LCD Display PIC16F877 Nicd Nimh Battery Charger Circuit Digital Power Supply

Ni-cd, Ni-mh battery charger as a power supply used in digital circuit PIC16F877 microcontroller source software used and the file’s schema. Isis an old file is not available to work…

SHT11 Temperature Humidity Sensor Circuit MPX5100 PIC18F452

This project implements the PIC, and if I believe that I will come a long way in PICC. I’m doing my best to work will try to share. Our first..

PIC18F2550 Development Board Circut USB Bootloader PCB

Unlike other applications that attempt PIC18F2550 development board “USB bootloader” option for the project for which you want to apply with the PIC18F2550 keep a circuit will provide great convenience..

Dynamo-Powered Bike LED Lights

White LEDs in lighting and more powerful power LEDs are now used in all areas. We shared a lot earlier project led lighting led lights for bikes in the current..

PIC16F84 Motor Rotation Counter Circuit

pic16f8 tour counter circuit assembly prepared with software installed on the microcontroller LED diplay shows on speed information. Operating voltage 5v dc motor speed to detect RA4 RB0 pins on..