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Type: Posts; User: normnet

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    Re: New dual core dsPIC33CH PIC

    Page 46 of the sdPIC33CH datasheet suggests the MHz 240 is divided by 4 for its MIPS of 60. Missprint?

    Note: FPLLO = FPLLI * M/(N1 * N2 * N3); FPLLI = 8; M = 150; N1 = 1; N2 = 5; N3 = 1;
    so...
  2. Thread: FineLineIDE

    by normnet
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    Re: FineLineIDE

    Announcing release of FineLineIDE v4.00

    New "Projects" in Options enables grouping shortcuts of your project files and data.
    Unused and findall lines in the results window are now clickable as a...
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    Re: New dual core dsPIC33CH PIC

    Page 436 of the dsPIC33CH data sheet gives example code using master and slave utilizing PLL with 8 MHz internal FRC resulting in 200 and 240 MHz or 50 and 60 MIPS. Interestingly the specs list MIPS...
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    Poll: Re: Compact Flash FAT16 File System

    Try looking for "SD_Read_Sector" and "SD_Write_Sector" sub routines in swright's library. If you wish to change bytes within a sector you may need to read the entire sector, change the bytes and...
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    Poll: Re: Compact Flash FAT16 File System

    To encourage I would like to say its a great project and its doable with the 33FJ128GP802.

    Norm
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    Poll: Re: Compact Flash FAT16 File System

    Did a wave player with use of a 33FJ128GP802 which proved capable of true CD quality 44K 16 bit stereo FAT table audio.
    The 33FJ128GP802 includes 16 bit DAC's which combined with an amp provide a...
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    Poll: Re: Compact Flash FAT16 File System

    Newer larger versions of SD cards may have changed the protocol since 2005. I may of been using 512MB and 1G cards at that time. A newer version would be Les's Proton24 SD FAT File System although...
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    Re: New dual core dsPIC33CH PIC

    Thanks Les. Looking forward to trying out what is probably the fastest new chip in PDS!

    Norm
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    Re: New dual core dsPIC33CH PIC

    What would the max Xtal setting be for this device at 90 and 100 MIPS?
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    New dual core dsPIC33CH PIC

    The Master core and Slave core can operate
    independently, and can be programmed and debugged
    separately during the application development. Both
    processor (Master and Slave) subsystems have their...
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    Cell phone Android downgrade?

    A few weeks ago I permitted my Android cell phone (Moto G4 Plus) to update from android 6 (marshmallow) to 7 (nougat). Now it runs out of battery almost every afternoon where as before it would...
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    Re: Why a delay in TX power up?

    I'll try setting a walkie squelch to 0 to see if the first word still cuts out.

    Another idea might be a catch word to always be spoken at the start of each transmision to cause a delay. ...
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    Re: Why a delay in TX power up?

    The walkies are a version of the KD-C1 and run about $15 US dollars each so are a low end model.

    I program the squelch setting to 1 which is 1 step above 0 valid signal strength required to...
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    Re: Why a delay in TX power up?

    No repeater in use. Its not intuitive to press a button and pause before speaking and not enough learn to do so. Many may have no idea why no one responds to their messages.
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    Re: Why a delay in TX power up?

    Walkies in the vicinity receive the first work OK as I hear them respond to transmit-ions of which at my more distant location have the first word (name) clipped so I think its the TX which delays.
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    Re: Why a delay in TX power up?

    Yes all brands take a moment to power up to full range. You could be right about the power requirement although I would think a slow charging capacitor could supplement the required TX burst. If I...
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    Why a delay in TX power up?

    I am curious as to why walkie talkies experience a delay before reaching full power on TX button press? The issue is the first word usually spoken is the persons name to which they wish to speak to...
  18. Re: Understanding how to develop an lookup algorithm

    Tim

    Did you arrive at a solution?

    Norm
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    Re: Digital power mesurement

    Any luck with the Fluke 435-II?

    Norm
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    New PIC18 Q10 Product Family

    PICģ MCUs for Closed-loop Control:
    From pool pumps to air handling units, closed-loop control is one of the most fundamental tasks performed by embedded systems. Advancements in the architecture of...
  21. Thread: Update path?

    by normnet
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    Re: Update path?

    Thanks...will do.
  22. Thread: Update path?

    by normnet
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    Update path?

    I am currently running Proton v3.6.0.2 and would like to update to the latest version.
    Can i install the latest Update v3.6.1.2 on top of my existing followed by the latest patch 3.6.1.4?

    Norm
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    BASIC turned 53

    Half a century of BASIC
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    Re: Which IDE are you all using?

    Another location might be "Third Party Developments".
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    Re: 18F24k20 Handbrake Stuck

    May not help but for some reason i always place Declare Xtal ahead of OSCTUNE.
    Does it work at all? Try blinking an led 1 second on and off to see the timing.
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    Re: 18F24k20 Handbrake Stuck

    You didn't provide your code but one "got-ya" is OSCCON must be ahead of OSCTUNE.
    Hope this helps

    Norm
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    Re: Digital power mesurement

    I received the following response when asking Fluke about the 435-II for power measurements of inverters. It appears the 3 phase voltages must be balanced however the amperages not.



    Norm
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    Re: Digital power mesurement

    435 Series II Power Quality and Energy Analyzer:
    Power Inverter Efficiency function measures both ac power and dc power, in and out, to monitor the efficiency of your inverters.

    Fluke 430...
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    Re: Digital power mesurement

    Is a link to a download site available?
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    Re: Digital power mesurement

    Attachment or link?
  31. BMA400 Ultra-low power acceleration sensor

    The BMA400 acceleration sensor from Bosch Sensortec is an ultra-low power solution specifically designed for wearables and Internet of Things (IoT) applications. The new accelerometer uses ten times...
  32. TSU111 op amp runs 25 years on a single battery

    The TSU111 is STís most precise nano-power operational amplifier (op amp) by a wide margin, which enables the creation of longer-lasting and better-performing devices. More than 25 years of typical...
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    Re: Is Isr EndIsr current?

    I found Isr - EndIsr as typed in the PIC24 manual so my question is answered...thanks
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    Is Isr EndIsr current?

    I an beginning to look over preprocessor examples others have sent me one of which includes Isr as typed. A quick search of the manual finds no instances of Isr or EndIsr. Is Isr current?

    Norm
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    Re: Digital power mesurement

    As energy efficiency requirements increase for HVAC all the motors on a unit may someday be VFD as they may run almost continuously at varying lower speeds including the compressors in place of...
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