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ya it helped me thnx... but i still have some questions
1)in the first one the (lm358) is an current to voltage converter, so the current from the photo diode is converted to voltage and amplified by the (lm386) ?
2)which circuit is better and why?
light-listener
hello everyone, i'm working on the project of "light-listener" , i reached to the attached schematics, can anyone discuss how the circuits operates (in detail plz), because i can't understand where is the source of sound and many other points....
THNX IN ADVANCE
i have to make a project that inform a saved message when applauding near of it...
does anyone have any idea about how to make somethintg like this, sensors, components, schematic..........
(sorry for my bad english)
Thnx in advance!!
be silent project
first thanks for reading this post.....
i have to do the following project and i have no idea about it please if anyone have a link explaining that or any idea that can help me; plz i need help...
the project is to do a system (wireless) that force any mobile enters in the...
grid-connected inverter
first, thanks for reading my post... i'm newbie in power control and i have many problems in ac... i hope not to disturb you
my friends made a wind turbine for generating electricity; they finally arrived to 2 wires each is 12V dc/40A.... they want to transfer it to 220V...
ir sender
Hello every one!
i want to ask a question, is an ir led receiver like an ir led sender, but only in each configuration the ir led does its role?!
plz also tell me what's the simplest configuration to design ir sender-receiver electronic circuit sensing if the ir level is over or...
wireless project
Hello every one!
this is my first wireless project.....
i have a problem in my life, i forget a lot.... so i thought in idea that may helf...
i want to relate for example my portfolio whith a tag or anything else that sends
waves and receive it by an adapter attached...
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