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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by younes_ysf

  1. younes_ysf

    Beginner AVR Programmer

    very thanks! are there any free training borad or such like this? sorry! as i am not living in Europe i dont know what are they called. i have heard some names like development board, training board ... and dont know what is the difference between them.what i mean is such kind of board that i...
  2. younes_ysf

    Beginner AVR Programmer

    hi every body i am beginner in AVR too. i have many questions about getting started. 1-at first which language is better. i mean which one is more powerful and flexible and surly easy to learn( not very complicated)?basic or C? is basic is powerful or not?i have heard it is easy bot not...
  3. younes_ysf

    repairing flash drive. is it possible?

    hello to all. i have a 2gb flash drive (Silicon Power) i think its has burned. i have another one that are the same as the first. can i remove the flash ic from the first one and put it to second one and have a 4gb flash drive? ther is a place for it in the back of the board of the flash drive...
  4. younes_ysf

    why my lcd dosnot work?

    i have an lcd (ts1620a-21/b) its not working . i dont know why. i have connected it to an mega16. all pins are ok. the pin configuration is ok. but there is only a row that turns on. i have 2 of this bot non of them are working
  5. younes_ysf

    how i can test a LCD

    how i can test an LCD to know that its working or not. i don't want to test it in circuit. are there any way. it is ts1620a-21\b. its good to say that when it is in the circuit only the half down part of it are completely turns on. can any body tell me what is the cause of it?
  6. younes_ysf

    can i use DM7447an instead of 74ls74

    but 74ls74 has been used for a 3part seven segment. is it correct ?
  7. younes_ysf

    can i use DM7447an instead of 74ls74

    i have circuit that need 74ls74. i have an ic tht his number is DM7447AN. i ask from a electronic parts shop: can use Dm7447An instead of 74ls47. he said yes. butbecause i was not it coul be i asked it here. now is it possible or not
  8. younes_ysf

    can i use DM7447an instead of 74ls74

    hello this is my question plz harry. tnx can i use DM7447an instead of 74ls74?
  9. younes_ysf

    need for 1.2v to 3.7v dc/dc converter

    let me explain my condition. i have a mp3 player that its internal battery have been damaged and it takes charge only for an hour. i have have took out its internal battery. i have examined and saw that i can use a external battery that is connected via usb and the mp3 player works anjd just...
  10. younes_ysf

    need for 1.2v to 3.7v dc/dc converter

    thanks. are there another suggestion?
  11. younes_ysf

    need for 1.2v to 3.7v dc/dc converter

    hello i need a circuit of a 1.2v to 3.7v dc/dc converter. i have a mp3 player that have usb port. and i want to power this mp3 player with this port with a 1.2v rechargable battery size AA. this mp3 player uses about 40-70mA. so i want to be the output voltage be 3.7 volt and about 100mA. is...
  12. younes_ysf

    changing layers in eagl. how?

    i have habit to show and hide the layers constantly to repir some part and ... for this i liked to layer be in handy not going to end of list and hiding or shoing a layer by the thanks from all of you
  13. younes_ysf

    changing layers in eagl. how?

    it means that i cant do this unless i have free version??? ther is not another way??
  14. younes_ysf

    changing layers in eagl. how?

    no its possible. i have saw some of them. i have downloded some projects in brd format. and this is in them. first top then bottom then pad ,dimension and so on
  15. younes_ysf

    changing layers in eagl. how?

    hello eevry body i am a beginner in eagle. i have a qestion. how i can chang the layers to be in handy in layer section. i dont want to go to end of list of layers to see alayer. i like for example have the top, bottom tPlace and other first in the list. how i can do that? thanks

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