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Type: Posts; User: dp1311.dp

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  1. Replies
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    Closed: Sim800c 24Mbit module EAT files

    hello
    i am using sim800c 24 Mbit flash module
    i want to develop software for that, where can i find EAT files for sim800c 24 Mbit module?
    as all the files given for sim800c 32 Mbit


    thanks
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    [SOLVED]Closed: Re: Simcom series download tool error

    solved the issue
    as i came to know that my module have 24 Mbit flash and i uploaded 1418B08SIM800C32_BT_EAT files
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    [SOLVED]Closed: Re: SIM800 EAT compiling

    hello
    there was problem in java files or something else of my pc, still not able to find the problem
    but i used other windows 7 pc and the file is compiling now

    thanks
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    [SOLVED]Closed: Simcom series download tool error

    hello
    i am using sim800c and want to download EAT files in module, for that i m using simcom_series_download_tool v1.10
    i have also tried simcom_series_download_tool v1.06
    but the download stops...
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    [SOLVED]Closed: Re: SIM800 EAT compiling

    no i didnt
    i have just extract the files and run them from the CMD

    - - - Updated - - -



    what changes should i have to make??
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    [SOLVED]Closed: SIM800 EAT compiling

    hello
    i am using sim800c and i want to use sim800's gpio,adc, and other features for that i have downloaded sdk files from https://simcom.ee/documents/?m&dir=SIM800 and followed the guide as per...
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    Closed: Re: [Moved]: 5v POWER SUPPLY PROBLEM

    Everything was worked properly with lm78L05 which has a 5v/100ma output,somtimes after 3/4 hours of continues working it get hot.
    So to solve that i was suggested to use lm7805 which gives 5V/1amp...
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    Closed: Re: 5v POWER SUPPLY PROBLEM

    Mosfet gets totally short circuited means gate drain and source all are short with each other
    What can i do for this problem
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    Closed: Re: 5v POWER SUPPLY PROBLEM

    Yes i am using it as a reverse polarity protection. Is it proper connection??
    Does this configuration cause problem to the lm7805??
    Because the circuit works correctly with the lm78l05 but when i...
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    Closed: Re: 5v POWER SUPPLY PROBLEM

    I also want to know that mosfet Q1 works correctly as a diode??
  11. Replies
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    Closed: Re: 5v POWER SUPPLY PROBLEM

    I am connection proper input output pins of lm7805 as per datasheet
    if there is no micro-controller connected circuit works fine
    after connecting that it create the problem as i said
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    Closed: [Moved]: 5v POWER SUPPLY PROBLEM

    Hello,
    as per attachment
    when i connect lm7805 instead of lm78l05 the mosfet q1 is short
    what will be the problem and how to solve that
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    Closed: Re: [moved] Solar battery charger

    i want to blink the led as the battery charged and i want to stop charging after battery is fully charged
  14. Replies
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    1,409

    Closed: Re: [moved] Solar panel selection

    as per work given to me for now i have to make only charge controller,load is not decided yet
    i have to use 12v/40Ah battery that for fix
    so how to select the panel wattage range as i want 21VOC...
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    Closed: [moved] Solar battery charger

    I am designing solar battery charger using pwm based charging
    How to protect battery from overcharge and deep discharge using microcontroller
    And how to check if the battery is fully charge or not??
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    Closed: [moved] Solar panel selection

    How to select solar penal for 12v/40Ah battery??
    I want 17 vmp from panel
  17. Replies
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    Closed: Getting low HO voltage on ir2104 HO pin

    Hello
    My schematic is as per datasheet of ir2104
    My input to mosfet drain is 180V dc
    1) sd pin 3.3 high voltage
    2)IN PIN pwm signal with10khz
    3)vcc 12v
    4) in4148 bootstrap diode nd i tried...
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    Closed: Re: High Voltage solar MPPT charger

    hello

    give the limit of your mode values and compare it with the battery voltage value when it exceed the limit it will switch
  19. Closed: Re: Solar system for electricity generation in india

    thanks for th reply


    currently i am working on the solar battery charger which has a input range of a 180 V from the solar panel and it have to charge the battery with 24 V/40ampH

    i m...
  20. Closed: Re: Solar system for electricity generation in india

    thanks..
    i want to build it by my own
    so what will be the electronics parts for that and from where i have to start?
    is there any resources for that you know??
  21. Closed: Solar system for electricity generation in india

    how to start with the electricity generation for home using solar PV panel in india?
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    Closed: Re: How to work with ir2104 for this application

    Hi
    Sorry for too much delay
    I compelated with my work
    There was a problem with common ground

    Thanks for reply
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    Closed: How to work with ir2104 for this application

    Hello
    I'm working on solar battery charger,i m using ir2104 mosfet driver ic nd 2 NMOS IRF540N nd working only on high side of that,i m using pwm with 20khz frequency
    Vcc 12v
    10uf,63vboot strap...
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