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Recent content by ipinimo

  1. I

    Boost converter design

    thank you for the book it is helpful now i will be using 555 timer with the pin 5 as feedback what freq. should i use? what value of inductor should i use? thank in advace
  2. I

    12v inverter battery charger

    thank you for the reply pls can u give me more detail on how to do it especially about the firering angle and the Uc thank you in advance
  3. I

    12v inverter battery charger

    Thank you tahmid is it possible to charge the 12v battery with the 8v coming out of the transformer even with the free wheel diode and the mosfet gate is off? the output voltage of the transformer is 8v and my battery is 12v? if yes, how will i do it? because am thinking the 8v is too small...
  4. I

    Boost converter design

    thanks for the reply, where i am, all this component, i cant get them. can i have another option like maybe using sg3524n or other common components am looking toward what i can get around me. thank you so much.
  5. I

    Boost converter design

    Hi all, please i don't know where to start can sombody guide me on how to design a boost converter with these following feautures 1: input voltage 6v to 11v dc 2: output voltage 13.5V dc 3: output current 20amps if i can get a circuit diagram also to work with any advice or little help is...
  6. I

    [SOLVED] sine wave inverter given squre

    thanks, is my oscilloscope that is malfunction i have tested it with another and is giving sine wave
  7. I

    [SOLVED] 4-bit lcd not working

    thanks wp100 it is working now the tutorial from PIC Tutorial  Three - LCD Modules is usefull
  8. I

    12v inverter battery charger

    hi all, am working on 300watt inverter which i intend to use 1 transformer for charging the battery and do the inverter work the inverter is a sinewave type 12v to 230v the transformer rating is 8v to 230v 300watt i am using H-bridge for driving the transformer i think it should be possible to...
  9. I

    [SOLVED] 4-bit lcd not working

    thanks here is the simulation
  10. I

    [SOLVED] 4-bit lcd not working

    WP100 thanks have you tested the example on the site PIC Tutorial  Three - LCD Modules ? i tried to simulate it but not working maybe is my software [proteus7.2]
  11. I

    [SOLVED] sine wave inverter given squre

    Thanks, i discovered yesterday that the oscilloscope am using is given squre wave with a known sine wave source which means i have to look for another one to test really, i am using a software on my computer as my oscilloscope which take its input from my computer soundcard let me go on and...
  12. I

    [SOLVED] 4-bit lcd not working

    thanks, i am simulating it with proteus. if you have proteus here is the attached project the working one and the one that is not working i don't want to use portA or portE for the control i really appreciate any effort or advice
  13. I

    [SOLVED] 4-bit lcd not working

    hi all, i am working on a 4-bit lcd and pic16f877a to display a message with assembly code i discover dat if i use portD [d4:d7 or d0:d3] for the data and portA or portE for the control its works fine but with thesame code if i use any other port for control apart from portA or portE it will...
  14. I

    adc and lcd coding for PIC 16f877a

    Re: adc and lcd coding are u writing c or assembly language?
  15. I

    Looking for a converter from PIC Assembly to flowchart diagram

    Re: PIC asm to flowchart are u the one that wrote the program? if yes i will advice you to follow the way your program is working to write ur flow chart
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