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PIC16F627 Countdown Timer

This project it is based around a PIC16F627 micro and It is build as a countdown timer for a UV exposure box for PCB development that uses fluorescent UV lamp with following features:
Adjustable time in 15-second increments (up to 10 minutes)
Lamp preheat feature
Two button operation (with audible feedback)
Countdown alarm (when timer reaches zero)
Relay for [...]

[ More ] March 11th, 2010 | No Comments | Posted in Circuit |

Samsung has released a refrigerator with Internet

Samsung Electronics Co., South Korea’ s largest electronics manufacturer, unveiled a new refrigerator model featuring wireless fidelity (WiFi) capabilities designed by an Italian jeweler, the company said Thursday.The future begins today, and even refrigerators are already using the Internet, say in the Korean Samsung Electronics. The company today unveiled the most hi-tech refrigerator that can [...]

[ More ] March 6th, 2010 | No Comments | Posted in News |

CNC Driver with PIC16F870

This driver may be used for a 3 Axis CNC Machine. Based on the PIC16F870, for 3x Unipolar(5, 6 or 8 wire) Stepper Motors. It provides Full Stepping for good torque, with ability to toggle auto-shutdown of motor coils, which allows the motors and current regulation device to run cooler and require a lower output [...]

[ More ] March 6th, 2010 | No Comments | Posted in Circuit |

ATMEGA8 Development Board

This development board is perfect for all the newbies that want to learn about AVR Microcontrollers or want to build some nice projects with it.
ATMEGA8 Development Board contains:

ISP programer
RS232 comunication (serial port)
High Power Voltage control
ON/OFF Circuit
All pins are marked
PC power jack

Source: Pop Gheorghe

[ More ] March 6th, 2010 | No Comments | Posted in Circuit |

Automatic Phone Recorder

How many times have you wished that you recorder your recent telephone conversation? I have, many many times. So thanks to [Trax] that he finally decided to make this happen by using PC and a piece of hardware (powered from USB) to record audio from phone line to MP3 format. He wanted this thing to [...]

[ More ] March 3rd, 2010 | No Comments | Posted in Circuit |

Universal PCB for PSU with 78XX Family regulators

The 78xx family is a very popular choice for many electronic circuits which require a regulated power supply, due to their ease of use and relative cheapness. When specifying individual ICs within this family, the xx is replaced with a two-digit number, which indicates the output voltage  the particular device is designed to provide (for [...]

[ More ] March 3rd, 2010 | No Comments | Posted in Circuit |

Audio Generator 20Hz to 20kHz

Three small simple audio generator, producing a square wave, sine and triangular outputs on three separate waveform selectable via a small three-position switch or through a small mixer single output. These arrangements are based on the use of an ASIC, the ICL8038 (Intersil or Harris), also available under reference XR8038 (Exar). This circuit contains almost [...]

[ More ] March 2nd, 2010 | No Comments | Posted in Circuit |

mikroElektronika at Embedded World 2010

mikroElektronika will be present at Embedded World 2009 in Nuremberg. You can find mikroelektronika  at Booth 12-554, Hall 12. Embedded World 2010 Conference is presenting the leading European event for the Embedded Community covering all areas of Embedded System development.

[ More ] March 1st, 2010 | No Comments | Posted in News |

Samsung Releases Seperate 3D Glasses

Communicating wirelessly with your 3D-capable Samsung HDTV, SSG-2100AB Active Shutter glasses lighten and darken their liquid-crystal lenses hundreds of times per second in perfect coordination with the 3D content showing on the HDTV screen, allowing you to experience an incredibly vivid, lifelike, and of course, three-dimensional movie night at home.

Source: vanns Other links: which.co.uk [...]

[ More ] March 1st, 2010 | No Comments | Posted in News |

Voltmeter with ICL7107

This is volt meter with ICL7107(Analogue to Digital Converter). It has been designed as a panel meter and can be used in DC power supplies or anywhere else it is necessary to have an accurate indication of the voltage present.

Source:macoprojects Schematic: Voltmeter with ICL7107

[ More ] February 27th, 2010 | No Comments | Posted in Circuit |