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  1. Sorry, should have read the thread properly.

    Sorry, should have read the thread properly.
  2. There is some info here...

    There is some info here which might help.
  3. Sorry the default scanner only scans Wire not...

    Sorry the default scanner only scans Wire not Wire1 or Wire2.

    Below is a scanner which will scan 3 Wire channels.
    Its not mine but modified by someone on this forum. I can't remember who.


    ...
  4. If the scanner did not find it then perhaps it is...

    If the scanner did not find it then perhaps it is wired up incorrectly or to the wrong pins
  5. No problem, and you learnt something which is...

    No problem, and you learnt something which is good.
  6. That's because loop keeps on going round and...

    That's because loop keeps on going round and round that's why it's called loop.
  7. Yep, did it work talking to ESP32?

    Yep, did it work talking to ESP32?
  8. Teensy 4 and 4.1 are mentioned on that page.

    Teensy 4 and 4.1 are mentioned on that page.
  9. Did you initialise/start Serial1? EDIT: The...

    Did you initialise/start Serial1?

    EDIT:
    The baud rate MUST be the same on Teensy and ESP32, as well as parity and stop bit settings.
  10. If I tell you you will not learn anything. First...

    If I tell you you will not learn anything.
    First of all Serial on Teensy is the USB port talking to your PC.
    I suggest you read this. That way you will learn more about your teensy and how to use...
  11. Your code is wrong on the Teensy as I explained...

    Your code is wrong on the Teensy as I explained in my previous post.
  12. You also need to connect the ground of both...

    You also need to connect the ground of both together.
    ...and you need to setup and user Serial1 on Teensy.
    Your code is using Serial which is usb serial to the PC.

    I have been using Serial1 at...
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    The purple is very dark, almost black.

    The purple is very dark, almost black.
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    Connect them all to the same ground pin I would...

    Connect them all to the same ground pin I would have thought.
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    You might solve your problem if you use...

    You might solve your problem if you use Flush(Serial2); after sending the bits out.
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    There are some rudimentary instructions (part)...

    There are some rudimentary instructions (part) here.
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    There is some information in this...

    There is some information in this document illustrating different circuits, amongst other things, dealing with piezo sensors.
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    Did a google search and found this....

    Did a google search and found this.
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    I said twice the pcb price NOT the price of the...

    I said twice the pcb price NOT the price of the resultant teensy.
    You forgot to add the extra size of the processor and space to rout all the extra signal lines.
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    Likely to go twice the width, chip is bigger plus...

    Likely to go twice the width, chip is bigger plus extra pins. Twice the width, twice the pcb price.
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    If you Google AFAICT it comes up with "as far as...

    If you Google AFAICT it comes up with "as far as I can tell".
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    Snip each pin in turn with a pair of side...

    Snip each pin in turn with a pair of side cutters. That will separate the Teensy.
    Then with a soldering iron remove each individual pins in turn.
    It probably won't be a difficult job once you get...
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    Looks like the resistor might?? be connected to...

    Looks like the resistor might?? be connected to the wrong pin.
    24934
  24. I've just run a test outputting to Serial3 which...

    I've just run a test outputting to Serial3 which is then read on a laptop with USB to serial converter.
    Program runs fine, with text appearing in the correct order.
    One thing I noticed is that the...
  25. I think the thread linked below might help ...

    I think the thread linked below might help

    https://forum.pjrc.com/threads/53985-Teensy-3-1-How-to-connect-an-SPI-2-42-quot-OLED-display-128x64-SSD1309-from-DIY-more
  26. What happens if you take the battery out and...

    What happens if you take the battery out and replace it before it locks up? I appreciate that you do not know exactly when it locks up.

    On a project I am working on I will be using one of the...
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    Yea, I was trained as a Mechanical Engineer,...

    Yea, I was trained as a Mechanical Engineer, first picked up electronics by reading the magazine Electronics Today International (ETI), unfortunately it's not with us any more, then bought a Nascom 2...
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    WireData.h is hardwired to use Wire. Since...

    WireData.h is hardwired to use Wire.

    Since WireData.h is so small why not just use it directly within your sketch.


    /*
    || @usage
    || | e.g.
    || | float myNumber = 3.14159;
    || | uint16_t...
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    Serial data from is captured under interrupts and...

    Serial data from is captured under interrupts and stored in the serial input buffer.
    When you get data from the serial port you are actually taking it from the serial buffer.
  30. ...continued, you know what After looking at...

    ...continued, you know what
    After looking at history above, I modified the code in Message #7 to print out Millis() every time there was any "print out".
    Code is below. Changes this time are...
  31. ...still sleuthing. This time I added some code...

    ...still sleuthing.
    This time I added some code to get some history. Basically I kept an array of printed out data and recorded Millis() for the occurrence.
    All the added code is commented as...
  32. Ok, managed to do some more sleuthing... I put...

    Ok, managed to do some more sleuthing...
    I put in some boolean flags and changed the == to >=.
    The boolean flags were to ensure that the loops only ran once per major loop.
    All the changes for...
  33. I was running my tests under Teensyduino 1.54b9

    I was running my tests under Teensyduino 1.54b9
  34. If you look at the circuit diagram and follow the...

    If you look at the circuit diagram and follow the track from the 5v+ pin on the PCB I think you will find that this is the thermal fuse.
    Something downstream of the fuse is drawing a lot of current...
  35. I have made changes to your code as shown below....

    I have made changes to your code as shown below. I think it will now work as you expect.
    I have annotated the lines I have deleted, changed or added with //*** REB "whatever"

    #include <Snooze.h>...
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    Visual Micro supports Serial and Gdb debugging...

    Visual Micro supports Serial and Gdb debugging with Teensy 3.x and 4.x
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    The character limit for a single SMS message is...

    The character limit for a single SMS message is 160 characters. However, most modern phones and networks support concatenation; they segment and rebuild messages up to 1600 characters. Messages not...
  38. Below are some U-Tube videos from Andreas Spiess...

    Below are some U-Tube videos from Andreas Spiess dealing with Solar Power for Small Applications. They date from June 1917 right up to this month (May 2021).
    The amount of energy will depend upon...
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    Gosh Paul, are you up EARLY or LATE?

    Gosh Paul, are you up EARLY or LATE?
  40. The Snooze library has a tendency to cut usb...

    The Snooze library has a tendency to cut usb serial off whilst it still has things in it's output buffer
    so it helps to flush the buffer before going to sleep.


    // Use SnoozeUSBSerial when...
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    The following pages from that shown above went on...

    The following pages from that shown above went on to describe suggested PCB design in an attempt to alleviate the heating effect.
  42. They obviously meant to have brackets but forgot...

    They obviously meant to have brackets but forgot about them

    uint16_t middle = _height - (top + bottom);
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    The LM1117IMPX-5.0 DataSheet...

    The LM1117IMPX-5.0 DataSheet has thermal calculations and suggestions for PCB Thermal design.
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    Well not before Paul gets them together, read...

    Well not before Paul gets them together, read above!
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    It's a plug in for Visual Studio which gives you...

    It's a plug in for Visual Studio which gives you a new VisualMicso (VMicro) Visual Studio drop down menu when installed.

    Rather than try top explain all that's there I have included a screen dump...
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    Visual micro works really well with Visual Studio...

    Visual micro works really well with Visual Studio and Arduino.
    They call themselves ARDUINO IDE FOR VISUAL STUDIO.

    Works really well and you can seamlessly go between Arduino IDE and Visual...
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    The IR Remote Library supplied in Teensduino is...

    The IR Remote Library supplied in Teensduino is WAY out of date.
    The latest revision is 3.31, the one supplied in TeensyDuino is revision vs 2.23 dating from March 2017.
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    I seem to remember reading something here, but I...

    I seem to remember reading something here, but I think that was to do with powering through 3.3v only.
    I just did a quick search and there certainly was a problem with T3.6 some time ago, but Paul...
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    Ok, just a thought. Good luck with it. All the...

    Ok, just a thought.
    Good luck with it.
    All the switching regulators seem to have a soft start. Something to be aware of.
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    I suspect that you can solder the TO220 style...

    I suspect that you can solder the TO220 style package by bending the two outer pins through 90degrees with the central ground pin bent 90degrees the other way.
    Looking at the footprint it looks...
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