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  • radias's Avatar
    Today, 08:23 PM
    A uninstall / delete "C:\Program Files (x86)\Arduino" / reinstall solved that issue. But now it is a new feature: Teensyduino does no longer update libraries existing in the sketchbook. I just forgot how I made this...
    18 replies | 869 view(s)
  • radias's Avatar
    Today, 06:47 PM
    Windows 10 pro x64 Arduino 1.8.12 Teensyduino 1.51-beta1 In the library manager I now get this error: "Comparison method violates its general contract!" This is something new here.
    18 replies | 869 view(s)
  • radias's Avatar
    02-10-2020, 06:16 PM
    :D Good luck!
    11 replies | 264 view(s)
  • radias's Avatar
    02-10-2020, 03:16 PM
    It is very hard to see something in the crystal ball... What I understand from your description it says you are feeding 5V into the Teensy via the I/O lines. This will surely fry it. Anyway, the PWM signals of...
    11 replies | 264 view(s)
  • radias's Avatar
    02-05-2020, 03:40 PM
    Yes, failure is unavoidable, you are absolutely right. But still every chance to reduce it shall be considered. The MAX story is something different. The race between american and european industry has reached a point...
    32 replies | 411 view(s)
  • radias's Avatar
    02-05-2020, 12:47 PM
    @chileflora "keep it simple" means adding complexity adds also chance of failure. The more complex a system is, the more likely it will fail. Why develop an expensive Space Pen that works in low gravity, if a pencil...
    32 replies | 411 view(s)
  • radias's Avatar
    02-04-2020, 10:16 AM
    What about insulation? Styrofoam or PU could provide enough insulation to prevent the cold from reaching the electronics before the flight is over. With clever design, it could let heat out and keep cold out as well. ...
    32 replies | 411 view(s)
  • radias's Avatar
    02-04-2020, 12:28 AM
    What I could imagine is that the Teensy is so fast, it recognizes crackle and bounce on the signal lines as separate switching events when the switch is pressed and so sends massive amounts of midi data at high speed. ...
    4 replies | 120 view(s)
  • radias's Avatar
    02-02-2020, 11:23 PM
    So which kind of "autopilots" are you playing with? And for what purpose? Legal? An anavionics engineer just knows the Teensy boards are not suitable because of several factors, beginning at the boards, the parts, the...
    32 replies | 411 view(s)
  • radias's Avatar
    01-27-2020, 02:37 PM
    They prevent current from leaking into USB host in case the Teensy is powered by external source on 3.3V rail or if power is applied to the second USB port, and the host on the first USB port lacks power or is switched...
    2 replies | 99 view(s)
  • radias's Avatar
    01-26-2020, 11:07 PM
    Anything where a tangible interface is useful. Or where you want to know capacitive coupling properties of something in a matrix... whatever. This board is universal. Usually this touch controller is embedded in a...
    3 replies | 113 view(s)
  • radias's Avatar
    01-26-2020, 10:45 PM
    Find of the week: http://muca.cc This thing is way too cool. Imagine the possibilities: The Teensy4 may be easily able to run Lanczos algorithm to detect complex touch motions, field scans and even more, or just use...
    3 replies | 113 view(s)
  • radias's Avatar
    01-24-2020, 06:32 PM
    A Teensy 3.5 would be exactly what you need to go on without a custom PCB. It has 27 analog inputs, two of them on the two analog outputs, makes 25 analog inputs remaining. One for each pot or fader, plus some extra....
    4 replies | 127 view(s)
  • radias's Avatar
    01-24-2020, 04:27 PM
    Yes, if you just connect your own Teensy devices, that is all very simple. But if you connect other devices, like you wanted to do (see quote), that could cause the mentioned problems, if the patch bay does not filter...
    12 replies | 222 view(s)
  • radias's Avatar
    01-24-2020, 04:08 PM
    Absolutely. Then all the devices connected to the Teensy#4 definitely need to be configured so they do not retransmit. Some keyboards, for example, are configured by default to retransmit and a single device doing so...
    12 replies | 222 view(s)
  • radias's Avatar
    01-24-2020, 03:24 PM
    Yes, but then you have latency between them, because every Teensy receives am message, processes it and forwards it. The usual MIDI-problem. I thought you wanted to get rid of that by making a star-topology. One thing...
    12 replies | 222 view(s)
  • radias's Avatar
    01-24-2020, 02:36 PM
    If you connect the Teensy like shown on your sketch, you will need limiting resistors on the TX lines. The RX lines have an impedance high enough so the signal will get through. A solution to the arbitration problem...
    12 replies | 222 view(s)
  • radias's Avatar
    01-24-2020, 02:18 PM
    MIDI does not provide bus arbitration. So how could you prevent two Teensy from transmitting on the bus the same time, destroying the signal? Limiting resistors would at least prevent the output drivers from being...
    12 replies | 222 view(s)
  • radias's Avatar
    12-24-2019, 03:57 PM
    actually, even an input pin of a 5V circuit or controller can bleed enough voltage to fry a 3.3V output. So it is always good practice to either use overvoltage suppressors and in-line resistors or level-changer ICs....
    15 replies | 288 view(s)
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