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Recent content by Roelescence

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    PIC16 series programming

    Can we use PIC to control the operating time interval between two dc motors? Like for example, I would like motor A to keep rotating for 3 sec and upon stopping for that programmed time the motor B starts for 5 sec. Please tell me if it's posible in PIC micro so that I will continue to the next...
  2. R

    IR activated relay switch

    I want an IR activated relay switch for home security purposes. I want that once the IR is interrupted, the relay closes for at least 3 minutes or so. Will it work without microcontoller? I got this diagram from google but I guess the circuit can only activate the relay for a few seconds. Am I...
  3. R

    IR activated relay switch

    I need a schematic for an interupted IR activated relay switch. Please help. I'm working on automation circuits Thank you, Roelescence
  4. R

    PIC16 series programming

    I will download a schematic diagram, would you please help me interpret the circuit?
  5. R

    PIC16 series programming

    do we need a driver for the kit? By the way I am trying to apply PIC to IR sensor circuits, coul it be posible? Any recommendations?
  6. R

    PIC16 series programming

    Can PIC series be programmed through USB? How to interface? Pls. help, I am new to microcontrollers
  7. R

    TV Horizontal flipping

    Yes there was 7N after the number, By the way I resoldered its pins and at last! It works. Now another problem is that there are thin four lines above the picture, am I having problem with the vertical circuit?
  8. R

    TV Horizontal flipping

    LA76931S is the number of the main IC
  9. R

    TV Horizontal flipping

    Is it OK to replace the main IC? I have checked its surrounding components and found no defects including the RGB Board on the CRT. This china tv's board is labeled ''Sanyo Board''. Here are the pictures: - - - Updated - - - Is it OK to replace the main IC? I have checked its surrounding...
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    TV Horizontal flipping

    If the vertical drive is defective, will the texts on the menu screen display also be affected? My TV picture flips vertically but the texts on the menu screen display don't flip together with the picture. Am I having a problem with the RGB and CRT? circuitry? Please help...it's been my fourth...
  11. R

    TV Horizontal flipping

    This is a CRT TV, a chinese new model of Tusonra
  12. R

    TV Horizontal Lipping

    Hi everyone, Can you please help me identify the specific component responsible for v-hold? My TV picture keeps flipping horizontally and I cant find v-hold on the remote control neither at the back of the TV, so I decided to troubleshoot its components, but one problem is that I cant...
  13. R

    TV Horizontal flipping

    Hi everyone, Can you please help me identify electronic components related to V-hold? My TV, new model, its picture keeps flipping horizontally and I cant find v-hold on the remote control neither at the back of the tv, so I decided to troubleshoot the components but one problem is that...
  14. R

    1500W Inverter Full Schematics And Pcb

    Re: high frequency inverter schematic What if I connect two 20A transformers, is it ok?
  15. R

    Power Transistor replacement for my amplifier

    Can anyone please help me find some replacements for transistor A1141 of my amplifier?

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