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  1. Replies
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    The screen arrived and i have wired it up to test...

    The screen arrived and i have wired it up to test the dmeo program using a nano

    the screen does not seem to work

    I originally wired it up with no resistors - have I killed it ?

    :(

    ...
  2. Thread: EEPROM.write

    by Gadget999
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    Thank you :)

    Thank you :)
  3. Thread: EEPROM.write

    by Gadget999
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    EEPROM.write

    it appears eeprom.write will only save numbers up to 255

    is there another way to do this on a T3.2 ?

    how many times can you write to the eprom before it fails ?

    is it better to save my data...
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    Hi Kris - I have ordered one up hope to be...

    Hi Kris - I have ordered one up hope to be playing with it soon :)
  5. it might be possible to record your session as...

    it might be possible to record your session as audio and convert it to midi afterwards !
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    it looks like PJRC sell a screen ! ...

    it looks like PJRC sell a screen !

    https://www.pjrc.com/store/display_ili9341_touch.html

    I can see some images of it with fonts - but does it do graphics like buttons etc ?
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    Hi KrisKasprzak - thank you for the information ...

    Hi KrisKasprzak - thank you for the information

    some neat projects there :) esp liking the thermal camera !


    what do you use for enclosures ? 3d printing ?

    Regards

    G.
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    https://coolcomponents.co.uk/collections/gaming/pr...

    https://coolcomponents.co.uk/collections/gaming/products/gameduino-3
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    https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2...

    https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F272752506405
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    https://images.app.goo.gl/3hwWR4z8y1qteZMXA

    https://images.app.goo.gl/3hwWR4z8y1qteZMXA
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    https://www.adafruit.com/product/802 Lots of...

    https://www.adafruit.com/product/802

    Lots of choice over at adafruit
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    Try xsimulator.com

    Try xsimulator.com
  13. Replies
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    Touch screen advice

    I am looking for a touchscreen and a bluetooth solution to build a touchpad/controller

    Has anyone used the nextion screens ?

    Ideally a screen and enclosure solution

    Any suggestions greatly...
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    Do you belong to any if the simulator forums ?

    Do you belong to any if the simulator forums ?
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    What types of data are you transmitting ? Is this...

    What types of data are you transmitting ? Is this a datalogger ? You might be able to reduce data by using numbers that represent descriptions
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    interesting the effect of while(1) why does it...

    interesting the effect of while(1)

    why does it have such an effect ?
  17. Replies
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    T4 simple speed test

    I had 5 mins today to play with the new T4

    I am counting the number of cycles in approx one second

    on average we are seeing approx 7.8 million loops !


    is there a neater way to do this or...
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    very sad :( I lost a friend last week, he was...

    very sad :(

    I lost a friend last week, he was only 51 years old
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    there was a voltage drop on the extension lead ...

    there was a voltage drop on the extension lead

    4.17 V on extension
    4.79 v with no extension

    there was 3.3 v with and without the extension lead on the 3V pin
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    Thanks for the advice the usb extension cable...

    Thanks for the advice

    the usb extension cable is approx 1m long and is passive - i will try another one tomorrow and report back with the voltages
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    Device was running off a usb extension cable -...

    Device was running off a usb extension cable - plugging directly into the usb port has worked

    is the T4 drawing more current than the usb cable can supply ?
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    Teensy 4.0 not recognised as comport ?

    I have got my hands on a T4 :)

    trying to program it and it will not recognise as a device

    Arduino V 1.8.9
    TeensyDuino V1.47
    Windows 7

    i have tried pressing the reset button on T4 and can...
  23. Set the serial.timeout(0) Let me know if it...

    Set the serial.timeout(0)

    Let me know if it helps
  24. You should be able to get the signal to trigger...

    You should be able to get the signal to trigger an interrupt and count pulses

    https://www.arduino.cc/reference/en/language/functions/external-interrupts/attachinterrupt/

    use a rising or a...
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    wow - that's awesome - I might have to rethink a...

    wow - that's awesome - I might have to rethink a communication strategy !
  26. Replies
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    Thank you WMXZ can USB2 be used as a serial...

    Thank you WMXZ

    can USB2 be used as a serial port ?
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    Hi Paul - i do not have my hands on a T4.0 yet ...

    Hi Paul - i do not have my hands on a T4.0 yet

    the backside appears to have the USB pads - did you decide to include them after all ?
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    Teensy 4.0 review :)

    An awesome review here

    https://hackaday.com/2019/08/07/new-teensy-4-0-blows-away-benchmarks-implements-self-recovery-returns-to-smaller-form/


    Well done Paul and your team, I cant wait to get...
  29. use FreqMeasureMulti works fine on T3.2

    use FreqMeasureMulti

    works fine on T3.2
  30. A really simple solution is to put the teensy on...

    A really simple solution is to put the teensy on a serial port and communicate that way, the teensy has many more ways of communicating other than i2c
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    https://arstechnica.com/science/2019/07/brains-sca...

    https://arstechnica.com/science/2019/07/brains-scale-better-than-cpus-so-intel-is-building-brains/?fbclid=IwAR2otux8jWFUrxOoXB2uIeCS3iZld42Wlx5qgKduJRWLF4peaHlSNRlz1Xs
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    Midi Keyboard ?

    is there an off the shelf midi keyboard that can be bought as the basis of a controller ?

    the keyboard is probably the hardest bit to build

    maybe easier to use an off the shelf controller and...
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    Off topic - Quantum computing

    this one is just a discussion about quantum computing

    from what i understand a quantum computer uses qubits instead of bits -- https://en.wikipedia.org/wiki/Quantum_computing

    can a modern...
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    is there a debugging option for normal arduino...

    is there a debugging option for normal arduino boards ?
  35. Windows is event driven and i have often wondered...

    Windows is event driven and i have often wondered if a microprocessor could operate this way

    my concern is a kernel/app will end up running to recreate a event driven environment but in fact it is...
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    my favourite steampunk invention ! ...

    my favourite steampunk invention !

    https://www.youtube.com/watch?v=2bPTqJtWpRc
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    Just record at normal speed and playback at the...

    Just record at normal speed and playback at the different speed !
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    How much does Eagle cost ?

    How much does Eagle cost ?
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    thanks for the suggestions guys :) might be a...

    thanks for the suggestions guys :)

    might be a nice feature to add pins to the Teensy 4.0
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    teensy 3.2 - using usb lead

    Is it possible to connect the teesny directly to a usb lead using tx1(pin1) and rx1(pin0)

    the Usb connector is a bit delicate and i would prefer a more robust solution

    does something need to be...
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    did you overwrite the original code on the teensy...

    did you overwrite the original code on the teensy ?

    PaulStoffregen is there a way to clone the rom so it can be reprogrammed at a later date ?

    does this device talk to your flight simulator...
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    does the existing board transmit data using...

    does the existing board transmit data using serial ?
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    Can freqcount be used to read the frequency of a...

    Can freqcount be used to read the frequency of a sound and convert it to a midi note ?
  44. You don't need to use can - connect the tx and rx...

    You don't need to use can - connect the tx and rx of the teensys together and use serial !

    easy peasy
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    Designing a pcb ?

    I have seen eagle from autodesk

    What else do you guys use ?
  46. protecting digital counting pins - 74HC4050 ?

    I want to use a shaft encoder that can output up to 12v square wave

    the 74HC4050 chip looks like it can be used to protect the pins and will take an overvoltage of 15v
    ...
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    Do you have a link to your tindie page ?

    Do you have a link to your tindie page ?
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    i would be happy to buy at $40 - much cheaper...

    i would be happy to buy at $40 - much cheaper than making them myself

    if you want to make some prototypes, I would be happy to commit to buying some

    I kind of see it like a ruggedTeesnsy shield
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    i reckon PJRC should sell a small screw sheild...

    i reckon PJRC should sell a small screw sheild adaptor that the Teensy plugs into that automatically protects the inputs and outputs - i would order one with every chip - there may be more profit in...
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    Measure over 3.3 v

    I will need a voltage divider to reduce the voltage of an input signal ie 12v

    Is there a chip / breakout board suited to this task

    Is there an easy way to allow the resistor to be adjusted for...
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