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Type: Posts; User: philip.porhammer

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  1. Replies
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    SPI in 32 bit data TX

    is there a way to configure the SPI to send 32bits without braking it up?
    #include <SPI.h>


    // set pin 10 as the slave select for the digital pot:
    const int slaveSelectPin = 10;
    long DATA =0;...
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    464

    arduino delay vs teency 3.2

    what do i change for this to work with the teency 3.2?

    unsigned long time_now = 0;

    time_now = millis();
    while(millis() > time_now+100)
    {

    delay (1);
  3. changing I2C address on Sparkfun 7 segment display, COM-11441

    I am able to use the display on a different Sketch with no problem, however I need to now put 2 displayus on the buss and change the address of one of them. the SF example code does not change the...
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    524

    BMP280 pressure sensor

    I am using the BMP280 not BME280 and the drivers from adafruit.

    this is the monitor output:
    Temperature = 0.00 *C
    Pressure = 0.00 Pa
    Approx altitude = 44330.00 m

    here is the code, I went and...
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    305

    teency 3.2 AREF pin

    can I set the voltage to the AREF pin to 0.2Volts? I would like to read a thermocouple.
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    208

    Teency 3.2 Touch Sense Pins

    I am building a Light Sport Aircraft and there is no real way to put a fuel sensor (In Tank) with the tanks that are used in the HAWK ARROW 2 plane. I would like to mount copper tape on the side and...
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    949

    how do I overclock a teency 3.6?

    how do I overclock a teency 3.6?
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    949

    this is working for now, do lhou know of a shield...

    this is working for now, do lhou know of a shield that would allow for over 100KHz ADC to DAC at 12 bits?
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    Hmmmm it seems to work now, I pasted the code...

    Hmmmm it seems to work now, I pasted the code from here pack into a sketch, loaded and it works. well, at least I wasn't doing something stupid. Thanks.
    P
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    949

    I now have a t3.5, I would like to pass the audio...

    I now have a t3.5, I would like to pass the audio from A0 as fast as possible to the audio output pin A22. similar code worked for the T3.2. what am I missing?



    //I AUDIO INPUT A0
    //I AUDIO...
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    949

    I am driving a baseband IQ modulator from a...

    I am driving a baseband IQ modulator from a demodulator and after the loop is stable, I want to lock the IQ values feeding the modulator. I am feeding the modulator with 0 to 1V. until I get a FPGA...
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    949

    audio band Sample and Hold

    I need to build a 4 channel Sample and hold 10 to 14 bit linear ADC to DAC what would give me the highest sample rate? would this work:PROP_SHIELD Prop Shield With Motion Sensors ?
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    519

    OMG! Yep! (ok, too much OT makes for bad coding) ...

    OMG! Yep! (ok, too much OT makes for bad coding) thanks,
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    519

    this was to try and get what looked like noise...

    this was to try and get what looked like noise out of the results:
    IValue=IValue>>3;

    I think the root problem is the scaling. the idea is to run a SIN Wave into the ADC, then output it to the...
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    519

    inflection detection

    I have 2 teencs, one generates aSIN wave and the other is supposed to turn an LED on only on the falling edge of the tone's slope
    first code section is the tone generator, second is the falling...
  16. The following is test code for a string of APA102...

    The following is test code for a string of APA102 LED. we hope to get a card back with the SMD LEDs mounted to a card. it is a clock with 120 on the outer ring and 96 on the inner ring. The second...
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    The ulaw audio is from a VHF aircraft comm box,...

    The ulaw audio is from a VHF aircraft comm box, if this works I would put a 3KHz LPF on the output. The primary purpose it to get a SINAD and a RMS of the % of full scale audio on a display, audio to...
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    trying not to state the obvious, with my Teency...

    trying not to state the obvious, with my Teency 3.6 and your stereo codec card on top, I can run this as a 12bit audio output with a 8KHz serial input to the Teency. ( i will work on that later, as...
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    8 Bit uLaw decoder

    I have a radio with a digital output port. The Data is 8 Bit uLaw at 8KHz I need to expand the ULaw from Log to linear. Is there a Lib that does this?
  20. new clock project staring using the APA102-202 LED

    what would be an appreciate driver for this RGB LED? The clock will be 2 rings of LEDs, 96 on the inside and 120 outside. I will drive it with a Teency 3.2 with time base from a GPS.
  21. what is the best way to detect a 131KHz square wave?

    I am working on a project to detect when a PPL goes out of lock. I have an interrupt routine that does capture up to 300KHz on a teency 3.2. I need to set an IO line High when the frequency is less...
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    before I go to purchasing, I would like to know...

    before I go to purchasing, I would like to know if one teency with your audio shield can generate a continuous 3KHz tone and then perform an RMS measurement on the output of the amplifier under test....
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    new audio project

    i am looking to build a test fixtures for work with a Teency 3.2. I need to check the audio quality of two amps. I would like to generate a .5V RMS 1kHz tone and use the stereo code from the Audio...
  24. I am self taught so there are holes in my...

    I am self taught so there are holes in my knowledge base....
    int ulVal = 1234; // so the value is 12.34 volts dont worry about the DP
    char str[10];// so it this fixing the length to 10 bytes? ...
  25. LCD display question for #include "ST7565.h"

    I am looking to display a voltage measurement that is an int ULVal, convert to a String and display it on the LCD


    #include "ST7565.h"

    int ledPin = 13; // LED connected to digital pin 13...
  26. hmmm, strange, it still wont past correctly

    hmmm, strange, it still wont past correctly
  27. [QUOTE=philip.porhammer;118756]after talking to...

    [QUOTE=philip.porhammer;118756]after talking to the manufacturer, I was able to read and wright the SRAM. this Sketch was tested on a T-3.2

    #include <SPI.h>
    const int cs=10; //RTC chip select
    ...
  28. well that did not work. it gets flatten when i...

    well that did not work. it gets flatten when i post
  29. #include const int cs=10; //RTC chip...

    #include <SPI.h>
    const int cs=10; //RTC chip select

    int s; // Time Data
    int mi;
    int h;
    int d7; // this is day of the week
    int d;
    int mo;
    int y;
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    can you post a link to the Teency code please.

    can you post a link to the Teency code please.
  31. Audio FSK for use with a Ham radio

    is there any code for any of the teencys for audio FSK that I can use with a ham radion?
  32. DeadOn RTC - DS3234 Breakout-v11 SRAM fix

    after talking to the manufacturer, I was able to read and wright the SRAM. this Sketch was tested on a T-3.2

    #include <SPI.h>
    const int cs=10; //RTC chip select

    int s; // Time Data
    int...
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    can this Arduino be used for transmitting and...

    can this Arduino be used for transmitting and receiving data on an HF SSB radio? I am working on a project to make an inexpensive AFSK for use on the 40M band. TX/RX is ILER40, 5 Watt SSB...
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    Power down data save, only on power down

    8252
    if the power goes out I lose moon time and phase i cant get the SRAM to work, so i am looking for different a was to save the data


    // days between full moons is 29.53 days / by 48 points...
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    power down EEPROM (flash) save

    I need to save 6 bytes to flash when the Teency powers down. Is there an easy way to do this? with out external compactors and stuff? or is there a low power RAM keep alive function? that i can use...
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    OK, so this is just part of 108 NeoPixel clock i...

    OK, so this is just part of 108 NeoPixel clock i am making. I need to save Moon Phase, week of the year, latitude. I would like to use the SRAM to continuously save the data for when the power goes...
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    DS3234 clock SRAM question

    /* dead on real time clock with SRAM
    How do i read and write the SRAM

    */



    #include <SPI.h>
    const int cs=10; //chip select RTC
    long MoonTimePoint=52830;// 2bytes
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