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  • Recent Forum Posts

    Ioannis

    Re: Current limit for HV Power Supply

    Thanks for the reply.

    Well, the power supply is correct with the P-channel fet. If you check the op-amp configuration the more Vout the less T1 drive. So the Mosfet will conduct less also having...

    Ioannis Today, 11:31 Go to last post
    astanapane

    Re: GPS Project: PIC18F26K22 or PIC18F46K22

    First Question is: How do we select the PIC, and why did we select this particular one (PIC18F26K22) for a number of examples in this project.

    The Datasheet is very important to have it as a...

    astanapane Today, 11:06 Go to last post
    astanapane

    Re: GPS Project: PIC18F26K22 or PIC18F46K22

    So simply i start, with what the first target is, for the code.

    1. We need to get NMEA information from any GPS module that Outputs: NMEA 0183, 9600 baud default, and display them on:

    a. A...

    astanapane Today, 10:32 Go to last post
    astanapane

    GPS Project: PIC18F26K22 or PIC18F46K22

    Dear all:D, i open a separate thread from this one http://www.picbasic.co.uk/forum/showthread.php?t=19080&page=2 as far as i made a mistake continuing in there. I need to apologize for that.

    I...

    astanapane Today, 10:07 Go to last post
    fowardbias

    Re: After update serial programmer won't open

    Thank you for your reply. Yes, the fast program was in deselected. All I know at this time is that all of the older chips that I use are programming well. The issue is the 16F19176 which will not...

    fowardbias Today, 01:07 Go to last post
    mpgmike

    Re: After update serial programmer won't open

    Try this; in Micro Code Studio (the PBP3 IDE) go to View/Compile and Program Options and check what programmer is selected. It should be "microEngineering Labs Programmer". If that's good, open...

    mpgmike Today, 00:14 Go to last post
    pedja089

    Re: Current limit for HV Power Supply

    EDIT: "DS voltage" on SHOULD BE: "GateSource voltage".
    https://reviseomatic.org/help/s-followers/Source%20Follower.php
    And right schematic for t2 is correct. Emitter should be on higher potential...

    pedja089 Yesterday, 23:10 Go to last post
    pedja089

    Re: Current limit for HV Power Supply

    You need N-channel mosfet. Not P. When DS voltage on P type mosfet is just 2-3V it will conduct.
    Your design need voltage follower, so you need to use N channel mosfet.
    ...

    pedja089 Yesterday, 21:33 Go to last post
    tumbleweed

    Re: Pic18f25q10?

    I'm sure there are some differences between the K40 and Q10 (there always seem to be), but it's hard to tell what they are.

    The 26Q10 and larger have Configurable Logic Cell (CLC) peripherals...

    tumbleweed Yesterday, 17:23 Go to last post
    Ioannis

    Current limit for HV Power Supply

    I am designing a HV Power Supply controlled by a PWM signal (from a PIC).

    The problem is that either of the attached circuits for the current limit does not work. Even with no current load, the...

    Ioannis Yesterday, 16:00 Go to last post

  • How To RSS Feed

    Microchip Tips and Tricks 

    by
    ScaleRobotics
    • View Profile
    • View Forum Posts
    • View Articles
    Published on - 17th June 2010 17:26  Number of Views: 6626 

    The link below has the most information about tips and tricks using PIC micro-controllers. The attachment is a smaller version ...
    Read More Read More

    Presetting Configuration Fuses (PIC Defines) into your Program 

    by
    Melanie
    • View Profile
    • View Forum Posts
    • View Articles
    Published on - 20th May 2010 16:27  Number of Views: 6270 

    1. What are the Configuration Fuses?
    2. How can I preset them in my Program?
    2.a. When using MeLabs default     ...
    Read More Read More

    Bits, Bytes Words and Arrays 

    by
    Melanie
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    • View Articles
    Published on - 23rd April 2010 19:39  Number of Views: 2819 

    1. How can I reference a BIT in a BYTE?
    2. How can I reference a BIT in a WORD?
    3. How can I reference a BIT in a BYTE ARRAY?
    4. How can I reference a BIT in a WORD ARRAY?
    5. How can I reference a BYTE in a WORD ARRAY?
    ...
    Read More Read More

    I’m Running Out of CodeSpace, What Can I Do? 

    by
    Melanie
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    • View Articles
    Published on - 23rd April 2010 19:28  Number of Views: 5926 

    I’m Running Out of CodeSpace, What can I do?
    My progam is too slow - What can I do?

    Apart from the obvious and move to a faster PIC with more program memory, there’s a few little known tricks you can try.
    ...
    Read More Read More
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