Olec , the first Registered Electronics Club in Bangladesh. Our activities is to Published books & hobby Electronics Magazine for the young Scientist. Who are Interested about the Computer, Electronics & Science related matter. We welcome all other Countries Electronics Hobbyist to join Our web site for their valuable suggestion & ideas .In this web page, Electronics Circuit Download pages for our local Hobbyist that's why all the articles written  in Bangla. before downloading please install Bangla font in your Computer otherwise you are unable to read  the article.