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Recent content by cabala

  1. C

    EM-401 GPS Engine

    [EDIT] Just wanted to update on the GPS engine. I decided to just wire up a line driver and plug it in to my serial port, open hyperterminal, power up the modual and see what happens. It immediately started spitting out beautiful NMEA serial outputs. Of course the LAT and LONG fields were all...
  2. C

    Soldering issue...

    In answer to your second question, the two solders are pretty close to the same, it's really dependant upon what's in it and how big it is. I tend to stay away from any acid-based rosin core flux, because it's messy on you're board and slowly degrades your soldering iron tip. I can't say how...
  3. C

    Soldering issue...

    I would note that anything above 600F is above almost all rated electronic parts and you're amount of time allowed with heat applied to the lead is greatly reduced. Industry standard pretty much follows NASA standards. Depending on the board's thermal relief designs on vias and through-holes...
  4. C

    LCD problem

    Yea, I didn't think it was absolutely necessary, but technically I think that Optrex manual was having me send the 8-bit command in two 4-bit instructions, then one final 8-bit for number of lines and font size, but you get the same results whether you send it three times, or once. I removed...
  5. C

    LCD problem

    I'll post some code and a schematic even if it will help. I'm assuming I am doing the initialization properly, but the datasheet is generic in the sense, that it doesn't specify what the exact initialization sequence should be. Only from looking at other examples and tutorials on the basic...
  6. C

    LCD problem

    I'm not sure where to post this, so please feel free to move this if necessary. I'm working on trying to get a PIC16F886 to control a basic 4X20 parallel LCD module and am having some issues when writing characters. It's sort of difficult to explain the issues, but basically the LCD is working...
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