[Need help learning electricity?]

I also know an institute organized by hqew.net, the teachers always shows the internation Fairs and invite the toppest salers to direct you ,the URL:http://www.hqew.net/topics/hqewnet-institute/

[About the opa445]

Sorry for that questions i hardly can reply for you, but i think the best answer is from the salers, why not you just go to the electronic  mall to get the answers or you can search them by internet and then call them.

here's some suppliers in hqew.net  for opa445

TELESKY INTERNATIONAL LIMITED    0755_83957245  [email protected]

SHENHONGBAO INTERNATIONAL (HK) COMPANY LIMITED    86-755-23467858    [email protected]

Sky-micro Electronics co.,limited    86-0755-83237277  [email protected]

Ariat Technology Ltd  0852_30522530  [email protected]

SUNWAY INTERNATIONAL ELECTRONICS CO.,LTD  0755_83002266  [email protected]

i wish that will help you ....

[How can I clean some dirty AC from my generator?]

its really complex,why not you try to choose a agency to help you out? i suggest you to pick the regular like SRMC of hqew.net.

[i need some lm358, could you give me some advice for it?]

i'm new here, need some types of electronic components, such as lm358 , i know this forum is about electro-music, i also want to know what kinds of parts can use for it ?i just know HQEW.NET that one of my friends told me, are you knowed it before and a memeber of it? how does it work?