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Table Lamp Circuit with LM555
Posted on Wednesday, December 15, 2010   •   Category: Miscellaneous


If you want a Power Lamp Flasher at normal electric power, try out Table Lamp Circuit like this is. It uses the integrated circuit NE555 as the core component. It controls the blink rate of the lamp. Use the power transistor for about 20W or current 1.6A. The Q3 can be replaced by TIP41 or H1061 or MJ3055 or 2N3055.


Doorbell with 555 IC
Posted on Wednesday, December 15, 2010   •   Category: Miscellaneous


Doorbell with 555 IC


Car 12V to 50V DC Converter
Posted on Wednesday, December 15, 2010   •   Category: AC / DC Innveters


This circuit for Car audio input battery 12V to 50VDC, It use transistor and IC TL072.


PIC18F2455 / PIC18F2550 USB IO Board
Posted on Friday, December 10, 2010   •   Category: USB Interface Adapters


USB Input / Output Board is a spectacular little development board / parallel port replacement featuring PIC18F2455 / PIC18F2550 microcontroller. USB IO Board is compatibile with Windows / Mac OSX / Linux computers. When attached to Windows IO board will show up as RS232 COM port. You can control 16 individual microcontroller I/O pins by sending simple serial commands. USB Input / Output Board is self-powered by USB port and can provide up to 500mA for electronic projects.

These are examples of what can be built using USB IO Board:
USB Relay Controller (turn ON/OFF lights or appliances in the house)
Control LEDs, toys, electronic gadgets, wireless control, etc.
USB LCD Controller
USB Volt / Ampere / Wattage Meter
USB CNC Controller
USB Data Logger
USB Temperature Meter / Logger
USB Thermostat
USB Humidity Meter / Logger
USB Stepper Motor Controller
USB RC Servo Controller


USB LCD Controller
Posted on Saturday, December 4, 2010   •   Category: PIC


If you like PC modding this is cool project for you.this is an USB interface for alphanumeric LCD display like 4x20 which can be controlled with LCDSmartie program.USB interface is implemented by using PIC18F2550 microcontroller. Using USB LCD module you can view many types of information taken from PC like temperatures, time/date, MP3 song titles, view emails, RSS feeds all that LCDSmartie or other program supports.


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