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Archive for March, 2012

Cameron Dive First Attempt in Over 50 Years

March 26th, 2012 No comments

Cameron Dive First Attempt in Over 50 Years

National Geographic Explorer-in-Residence and Filmmaker James Cameron plans to soon dive in a specially designed submarine to the Mariana Trench in the Pacific Ocean, earth’s deepest point. No human has attempted such a dive since 1960.

More About DEEPSEA Challenge
http://deepseachallenge.com

Categories: Inteligentza sclipitoare, media Tags:

Statie de lipit STL008.LED cu ATMEGA8

March 26th, 2012 15 comments

Statie de lipit STL008.LED cu ATMEGA8

Statie de lipit termocompensata ATMEGA8 STL008

Statie de lipit termocompensata ATMEGA8 STL008

Schema statie de lipit STL008 LED ATMEGA8

Schema statie de lipit STL008 LED ATMEGA8

Firmware-STL008_afisaj cu catod comun

Firmware-STL008_afisaj cu anod comun

Selector surse audio si Soft ON cu PIC16F628A

March 24th, 2012 No comments

Selector surse audio si Soft ON cu PIC16F628A

Firmware selector-audio_v2.1 (netestat !)

– Releu RL7 = comanda alimentare amplificator;

– Releu RL6 = comanda intarziata cuplare difuzoare (se poate monta releu dublu);

– Relee RL1..5 = selectie surse audio;

Functionare:

La actionarea butonului SW1 releul RL7 cupleaza instantaneu iar RL6 cupleaza cu o intarziere de ~3 secunde. La pornire este selectata, in mod implict, sursa audio PC_IN  adica releul RL1.

Butoanele SW2..6 (nu sunt notate in schema) comuta intre releele intrarilor audio in functie de dorinta utilizatorului. Butonul MUTE  SW7 decupleaza toate releele audio RL1..5 iar recuplare unei intrari audio esteposibila doar din butoanele de selectie sursa audio.

Schema prezinta doar modul de utilizare al montajului, pentru o utilizare practica este necesara o proiectare mai atenta a blocului de intrare/iesire si a traseelor de masa.

Telecomanda PC pe USB cu ATTINY2313

March 20th, 2012 No comments

Telecomanda PC pe USB cu ATTINY2313

… in continuarea acestui articol:

http://www.electronicstefan.ro/2011/01/telecomanda-ir-pe-usb-cu-attiny2313/

 

Categories: electronica Tags: , , ,

Professional SMT Soldering: Hand Soldering Techniques

March 9th, 2012 No comments

Professional SMT Soldering: Hand Soldering Techniques

Professional Drag Soldering: J-Lead PLCC
Categories: electronica Tags: