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  1. Replies
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    @Michael: He is probably just preparing a Teensy...

    @Michael: He is probably just preparing a Teensy 3C in multiple colours with a plastic case.
  2. Replies
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    Power up computer with teensy?

    Is it possible to power up a computer with the teensy? There are keyboards that have a "wakeup" button, probably other devices (modems?) might wake up via USB too. Of course WOL works most of the...
  3. Teensy vs. udev rules vs. modemmanager

    I just checked, with the "right" udev rules no problem, even with modemmanager running.
  4. Thanks Paul, that helped a lot. When I inserted a...

    Thanks Paul, that helped a lot. When I inserted a debug print statement I saw writing activity to the port. It was the Gnome modemmanager, I think, that I had removed before but must have been come...
  5. Thanks, Pete. Hangs somewhere between 3 and 7...

    Thanks, Pete. Hangs somewhere between 3 and 7 reproducibly in several runs. Maybe my board is broken?
  6. Serial hangs for me

    Don't know if this is related to 1.17RC1, but the following sketch hangs on the serial port while it continues to run (blink). Teensy 3


    int led = 13;

    void setup() {
    ...
  7. Replies
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    I think this upgrade fixed my Teensy 3 serial...

    I think this upgrade fixed my Teensy 3 serial problems upon reboot! Thanks, Paul!
  8. Sorry for the noise: Solved it with using...

    Sorry for the noise: Solved it with using sprintf(), and %f format strings, and the code is easier to read too.
  9. I wanted to ask the same thing: I have to convert...

    I wanted to ask the same thing: I have to convert a float into a string to calculate a checksum before sending it over the line, and dtostrf() works on Teensy 2, but not Teensy 3. What is the best...
  10. Smallest available power supplies?

    It is no problem to get phone chargers or other "wall warts" that have specs like 700mA/5V, which is of course enough for Teensy. It is oversized by one order of magnitude for most projects, though,...
  11. Is this board 5V tolerant? I think there a...

    Is this board 5V tolerant? I think there a several BMP85 boards that are limited to 3.3V

    And: There are several broken examples for the BMP085 floating around, I had lots and lots of trouble until...
  12. I think the most important question is: Does the...

    I think the most important question is: Does the Teensy 3 show up as a serial port (are they still COM1, COM2 ... in Win8?) in Windows?

    BTW the Micro-USB connector might look unpractical compared...
  13. Choosing and creating simple checksums

    I've connected some sensors to a few Teensies, and while it works fine, I want to have one additional layer of plausibility checking by introducing a checksum.

    What I've got now looks like

    23.0...
  14. As Michael said, it is not completely clear what...

    As Michael said, it is not completely clear what exactly you want to archieve.

    But if I understand you right, this is very easy.

    You can connect e.g. a Teensy 2 with a simple USB cable to a...
  15. Can it be that I am seeing something similar with...

    Can it be that I am seeing something similar with the serial port? When rebooting the host, my Teensy 3's serial port hangs, unplugging/replugging fixes ist, and it works fine once plugged in again.
  16. @Constantin: In fact, I have ordered a similar...

    @Constantin: In fact, I have ordered a similar relay board, but if possible I want to get my own relay setup working, because a lot of work went into building the enclosure, cabling AC, etc.
    ...
  17. Driving relay from Teensy 2 makes USB serial hang: Power issue?

    I am struggling with driving two relays from a Teensy 2 right now. It works sometimes, most often it hangs after a few minutes to a few hours.

    The hardware side: 2 relays driven through BC547...
  18. Differenciating in udev rules a Teensy 2 from a Teensy 3?

    I want to hook up both a Teensy 2 and a Teensy 3 (doing different things) to a TP-Link MR3020 router's USB connector (running OpenWRT Linux and via a hub). Both will be used via ser2net over the...
  19. On the topic of off the shelf relay products:...

    On the topic of off the shelf relay products: What I always wondered was: Why does none of the vendors in the Arduino/Teensy/Raspberry Pi-universe (like Adafruit, Sparkfun ..) make a small box that...
  20. Thanks! I have built a curcuit like the one above...

    Thanks! I have built a curcuit like the one above once, but I wondered if shortcuts were possible with that small a relay. Guess I better be safe.
  21. Will the Teensy 2 drive 40mA directly or do I need a transistor/driver?

    I want to drive a small Omron G6C relay, that lists in technical data 40mA drive current, 125 Ohms coil resistance at 5V. Can I drive it directly from a Teensy 2 digital output or will I need a...
  22. My Raspi and my Teensy 2 work just fine together....

    My Raspi and my Teensy 2 work just fine together.

    Do you see a /dev/ttyACM0 (or ACM1 or whatever) device on the Raspi?

    What is added to dmesg when you plug in your Teensy?
    What does "lsusb"...
  23. Thanks, Paul&JP3141! The Teensy 3 is truely...

    Thanks, Paul&JP3141! The Teensy 3 is truely wonderful in its versatility.
  24. Can Teensy3 be powered from 3.3V if USB is not used?

    I want to connect my Teensy 3 to the serial port of a TP-Link MR-3020 router. This serial port gives me 3.3 V of power. Would that be enough for the teensy 3 if I do not need USB while the Teensy is...
  25. I like the Asus WL330n3g ...

    I like the Asus WL330n3g

    http://www.asus.com/Networks/Wireless_Routers/WL330N3G/

    about EUR 35, 2A microUSB power supply and cable included, very small, USB and runs OpenWRT fine. About the...
  26. Alternative USB string instead of "VOTI Teensyduino Serial"

    Is it possible to change the string that Teensy 3 registers on the USB bus? And: Would that break Windows .INF files?

    TIA
    /ralph
  27. Thanks, Michael! Installing libc6-dev-i386 and...

    Thanks, Michael!

    Installing libc6-dev-i386 and dependencies solved my problem.
  28. Thanks, Michael! Installing libc6-dev-i386 and...

    Thanks, Michael!

    Installing libc6-dev-i386 and dependencies solved my problem.
  29. Thanks, Nantonos! I should have written that I...

    Thanks, Nantonos! I should have written that I am using the download supposedly for 64bit:

    md5sum arduino-1.0.2-teensy3-beta9-linux64.tar.gz
    644c724a49d6f7bd06386feca68631f9 ...
  30. Problem with Teensy3 beta9 IDE compilation

    Teensy 2 works flawlessly for me. But I've got a problem with the beta9 for Teensy 3 on my 64bit Ubuntu box When I compile I always get:

    Cannot run program...
  31. Thanks, Paul! I've been playing for a few...

    Thanks, Paul!

    I've been playing for a few hours with it now, and I am having a lot of fun!
  32. Is current Teensyduino compatible with Arduino 1.0.2 IDE?

    The description of Teensyduino lists it compatible with Arduino 1.0.1. Is this because that was the most recent version when it was last updated, and should it be compatible with 1.0.2. or should I...
  33. Will the Teensy survive 110 degrees Celsius in the oven for 30 minutes?

    Fimo polymer clay is hardened by baking it for 30 minutes at 110 degrees Celsius (230 F) in the oven. Do you think a teensy would survive being "baked in" at that temperature?
  34. Cutting traces to soldering holes to solder in other components?

    I've just ordered a Teensy 2.0 and a 3.0. I think the Teensy 2.0 would be cool for very small and simple projects, that e.g. just need a few LEDs or small components and mainly communicate over USB. ...
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