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Type: Posts; User: dann11

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    Closed: Re: Test Fiber cable with smart phone's torch

    I just want to check the end-to-end connection. The fiber is single mode with wavelength of 1310nm.
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    372

    Closed: Test Fiber cable with smart phone's torch

    Hi! I just want to ask, is it still possible to use smart phone's torch light to test a fiber cable with around 500m distance?
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    Closed: Fiber Optic(OPGW) testing wavelength

    Hi! I just want to ask if is it ok to use a different wavelength when testing a fiber optic cable used for transmission line or for OPGW? For example I am using a singlemode fiber with 1550nm...
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    Closed: Open Circuit voltage

    Hi! I know this is quite a very simple question, where we all know that once a circuit is open we can measure a voltage equals to the supply voltage while the current is zero, but I want to fully...
  5. Closed: how to choose common connection of ground in PCB design for audio board

    Hi! I am working on a PCB design, which is for audio DSP, I want to avoid ground loops. How should I connect the grounds? Where should their common ground connection be? any suggestion guys?
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    Closed: How do to set up/connect with NTP server?

    Hi! I would like to sync multiple digital clock using an NTP server and I am want to know if there are any application that can be used to connect to a NTP server?
  7. Closed: Re: Connecting 2 different clock brand for a single time setting

    digital display clock.
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    Closed: Re: Downloading sites for Components footprint

    You mean, from the components manufacturer website? For example is intersil's microcontroller. Part number is D2-74083-LR.
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    Closed: Re: Downloading sites for Components footprint

    I see. Would you mind if I'll ask you their website?
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    Closed: Downloading sites for Components footprint

    Hi! Do you know any site where can I download components footprint? thanks.
  11. Closed: Connecting 2 different clock brand for a single time setting

    Hi! I have to multiple clocks which are from 2 different clock brands, and I want to create a single network among the clocks where I can set the time and will automatically apply to all the clocks....
  12. Closed: PICkit3 problem - Target Device ID (0x0) does not match expected Device ID (0x24c0).

    Hi! I am trying to load program in PIC16LF1939, but as I connect the PICkit 3 and sets the operating power to 3.3V it give me this message.

    Connecting to MPLAB PICkit 3...

    Currently loaded...
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    Closed: Re: USB to Serial FTDI cannot detect the EEPROM

    I have double checked all the pins and connections and everything are properly connected..
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    Closed: Re: USB to Serial FTDI cannot detect the EEPROM

    I have attached the schematic and PCB layout for the FTDI and the EEPROM, and so as a screenshot of the FT_prog for the FTDI.. I am thinking right now the possibility of a damaged FTDI, i have tried...
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    Closed: USB to Serial FTDI cannot detect the EEPROM

    I am trying to make an USB to Serial Converter, for my control card. My problem is that when I tried to load program from the USB to Serial it cannot detect the EEPROM. I have already checked the...
  16. Closed: TMS320F28035 connection error: Device is locked

    Hi! I am trying to program TMS320F2835 of Texas Instrument using CCSV5.2. but it keeps on giving me a message error:

    C28xx: Error connecting to the target: (Error -1015 @ 0x0) Device is not...
  17. Closed: SOLAR DC-AC(TMDSHV1PHINVKIT) EVM Testing Build 1 - fault

    Hi everyone! I am trying to test Texas instruments EVM(TMDSHV1PHINVKIT), it provided different sets of test builds at its user manual. I am still at the 1st build and still cant proceed. I was able...
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    Closed: How to work around with wrong PCB footprint?

    Hi! I have a PCB layout design which happens to have wrong footprints with few IC devices that were ordered. Like for example, TSOP-6 to SC88, SOT23 to SC-70, Can you please help me guys on how to...
  19. Closed: SMD Footprint Names for I, What does the code means?

    Hi! I have a little problem on choosing the right footprint for my SMD Components, IC to be specific. Like this one for example.. SOG.050/8/WG.244/L.175. I understand that 8 is the number of pins and...
  20. Closed: How to choose Resistor and Capacitor SMD packaging sizes?

    Hi! I am creating my BOM for a SMD project board.. I am trying to choose among SMD Resistors and Capacitors. And I will be using 1206 for the ease of assembly. But I am just wondering if it is really...
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    Closed: Arduino Counter outputs only 1 and 3

    Hi! I am writing a program code in arduino, it will function as a counter. As I do Serial.println with the counter it only outputs 1 and 3.

    I am simply using codes as:



    count = count + 1;
    ...
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    Closed: Push Button Quality test

    Hi! I just want to ask if there is any way to test the quality of a push button? I have been using push buttons in my projects and I have encountered the same problem. With the continues use, it...
  23. Closed: Arduino "no_Key" can it be used in multiple function

    Hi! I am trying to used the "no_key" of arduino keypad with multiple function, as the first function is called, it works perfectly, but when the next function(also uses the "no_key") is called keypad...
  24. Closed: Re: Arduino Error 'keypadEvent' was not declared in this scope

    I have made it worked. It just re-arranged each function. Thanks for the help anyway.
  25. Closed: Re: Arduino Error 'keypadEvent' was not declared in this scope

    I just did, but I have found the same error..
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