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  1. Replies
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    Thanks for all the help with this guys,...

    Thanks for all the help with this guys, especially nox771 for the I2C library, Andrew Tuline for the Fastled library and Paul for making the excellent Teensy devices.

    I finally got it up and...
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    Thanks for the reply, I must admit I forgot about...

    Thanks for the reply, I must admit I forgot about the resistor.

    In terms of PSU's, I was looking at some meanwell IP67 supplies and the LPV-100-5 (12amp) is about 63, but the LPV-60-5 (8amp) is...
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    I know this an old thread but I just started...

    I know this an old thread but I just started working on this again. The main change is that I have switched to using a Raspberry Pi 3 for the web server part and it will talk to the LC via I2C.
    ...
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    Yep, that has fixed it, nice work! I don't...

    Yep, that has fixed it, nice work!

    I don't want to sound mean, but I am relieved it's nothing my end. (You are never quite sure when you try some new hardware/software, whether you have just made...
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    Thanks for the suggestion but it makes no...

    Thanks for the suggestion but it makes no difference.



    I though this had made a difference until I removed the LED flash from the main loop.

    First off I tweaked the PI code to print a...
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    It's actually hard to explain without seeing it...

    It's actually hard to explain without seeing it in action. (It took me a whole day to get this far and creating the new project helped me see whats going on, all though I have no idea why.)


    ...
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    Thanks for the reply, and sorry somehow I messed...

    Thanks for the reply, and sorry somehow I messed up the code, it should be...


    void receiveEvent(size_t len)
    {
    while(Wire.available())
    {
    char c = Wire.read(); // receive...
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    Can someone please give me a bit of guidance, as...

    Can someone please give me a bit of guidance, as I am struggling to get this working correctly.

    The plan is to have a TeensyLC driving some WS2812 LEDS, this will be connected to a Raspberry PI...
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    Thanks, I wasn't sure if it was a bug or a...

    Thanks, I wasn't sure if it was a bug or a problem my end.



    Using the latest branch fixes the problem. Thanks for the reply.

    Regards,

    Les
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    I am not sure as this is my first attempt at...

    I am not sure as this is my first attempt at using both the Teensy-LC and Fastled, but I think the version included with Teensyduino is 3.1.

    I was going to report it as a potential bug but as they...
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    I don't think it's a power issue. The LEDs are...

    I don't think it's a power issue. The LEDs are connected to my 10amp bench supply, with the Teensy being powered by USB. The Teensy ground is connected to the PSU/LED ground. Everything works nicely...
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    I fixed it by changing the CPU speed to 24Mhz....

    I fixed it by changing the CPU speed to 24Mhz. Should it run at either speed?

    Regards,

    Les
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    Teensy-LC & Fastled

    I am probably doing something stupid but I can't seem to get my LEDs working correctly.

    I have a 120 LED strip of WS2812B's connected to the Teensy-LC pin 17 (on right hand side of board) powered...
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    Thanks Paul, I would just need to communicate...

    Thanks Paul,

    I would just need to communicate from the main Teensy 3.1 to the LC, the LED strip state. Maybe a simple way of doing this is to use the analog output of the Teensy 3.1, hooked up to...
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    Actually thinking about it, 30 LEDs per meter is...

    Actually thinking about it, 30 LEDs per meter is probably going to be way too much. I think 10 would be enough. This means I would have to cut and space the LEDs myself, which will be tedious, but...
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    Driving longish RGB LED strip(s)

    Hi guys,

    Hopefully this is the last piece of my project puzzle. While I have done lots of searching this forum and general researching I am still not sure of the best way to proceed.

    My current...
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    Thanks for your help Frank. This...

    Thanks for your help Frank.

    This is the module I am using. It is using Songle SRD-05VDC-SL-C relays.

    Here's a schematic I made with my limited eyesight and skills...(not relevant now thanks to...
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    Sorry, that post was a bit rushed. :o I should...

    Sorry, that post was a bit rushed. :o

    I should have said I am using a Teensy 3.1 and should have asked what value resistor to use with the switch.

    Regards,

    Les
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    Output pin override switch

    Hi,

    My project is going to be switching relays via a relay module which is active low. I would like to have manual override switch for each output. Can I simply put a switch between the output pin...
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    Interesting, they don't look that long from the...

    Interesting, they don't look that long from the pictures and I couldn't see a data sheet. Most of the ones I am finding only have a 3-4.5mm tail.

    I'll keep looking.

    Regards,

    Les
  21. Replies
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    Thanks for sharing this. How long are your...

    Thanks for sharing this.

    How long are your right angle pins? It looks to me like you need about 5mm or so from the centre of your reset pad to the Teesny 3.1 reset pad. (I am trying to find an...
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    Forget the previous one, there was an overlap...

    Forget the previous one, there was an overlap error and I made some more tweaks as I thought it wise to have some gnd connections for the input sensors/switches. I also hooked up D33 again, as I...
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    Thanks again for you guidance. I have added...

    Thanks again for you guidance.

    I have added the DC converter, fuse, 5v connector in case I need it and tweaked the layout. I also removed one of the LEDs.

    Here's the latest version of the...
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    Thanks for the heads up. With regards to the...

    Thanks for the heads up.

    With regards to the OKR-T/3-W12-C, have you used them, as I have a few questions?


    The data sheet says the trim resistor must be 1/10w 0.5%. Is it really that...
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    Thanks for the great feedback and very well...

    Thanks for the great feedback and very well spotted on the newbie errors! I'll take at look at that converter too.



    I would have got that one when I did my paper layout test. Honest! ;)


    ...
  26. Replies
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    Teensy 3.1 external power help.

    Hi guys,

    As the weather was horrendous here yesterday, I did some more work on my project and started working on the PCB design. I am more of a software guy and while I have some very basic...
  27. Can you maybe just add a circle on the dimension...

    Can you maybe just add a circle on the dimension layer (It doesn't need to be in the schematic). It's just so that I can get a pogo pin pad in the correct place on the PCB I am designing. (The Teensy...
  28. Thanks for sharing the libs, any chance of adding...

    Thanks for sharing the libs, any chance of adding the reset pin for the Teensy 3.1?

    Regards,

    Les
  29. Replies
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    Hi, Sorry to drag this thread up again but I...

    Hi,

    Sorry to drag this thread up again but I just wanted clarification/confirmation on the above question when using the Wiz820+SD Adaptor. (I am hoping to get moving on this project again soon,...
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    Hi Guys, I am pretty happy with where my...

    Hi Guys,

    I am pretty happy with where my project is at, and the last piece of the puzzle is the timing.

    I have the Teensy 3.1 with the crystal and battery backup, I am also able to get the time...
  31. Replies
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    It's amazing the difference a few lines of code...

    It's amazing the difference a few lines of code makes.:D

    I was using an array for the images, but I have simplified things and sped it up even more by using a single image for the icons and using...
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    OK hopefully the last question on this. I have...

    OK hopefully the last question on this.

    I have multiple images on my web page, (about 20) any suggestions on the best way to deal with them? I don't think I want to write an if statement for each...
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    Thanks for the quick reply Paul. That has made...

    Thanks for the quick reply Paul.

    That has made a massive difference.

    On my Asus Prime tablet with the original code the page took 12 seconds to load. With your code it's 0.2 seconds. It's...
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    Network Server I need more speed scotty

    Having got my project up and running, the only remaining issue is speed. A simple test page with a 50KB image takes about 3.5 seconds to load, when hosted on the SD card on a Teensy 3.1 using the...
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    Thanks to the help so far on this forum and the...

    Thanks to the help so far on this forum and the tutorials I posted above I now have the Teensy acting as a web server hosting files from the sd card. I can read pin values and switch outputs, so...
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    Thanks Michael, I prefer the one I linked to...

    Thanks Michael, I prefer the one I linked to (TallDog's).



    Belt and braces I suppose, just in case the network goes down for any length of time.

    Edit. Forgot to say I found this awesome...
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    Thanks Michael. Thanks for the info and...

    Thanks Michael.



    Thanks for the info and link.



    Main thing I need is some mounting holes. I would like to solder some sockets into the breakout board so I can remove the Teensy if needed....
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    What's the worst case time variance with...

    What's the worst case time variance with temperature, using the built in RTC? The unit is going to be housed in an outside building, so it will be affected by the temperature. As I have said it...
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    Thanks Michael. Not sure how I missed that!. ...

    Thanks Michael.

    Not sure how I missed that!.

    Regards,

    Les
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    Teensy 3.1 + Ethernet & RTC

    I finally got around to starting my next project and it requires an ethernet connection to send and receive data. So far I have the Wiz820 SDAdaptor and WIZ820io module connected and working with my...
  41. I have used a Teensy++ 2.0 in a couple of custom...

    I have used a Teensy++ 2.0 in a couple of custom game controller projects and it works great.

    Regards,

    Les
  42. Thanks for the replies guys. I did link to...

    Thanks for the replies guys.



    I did link to the servo I am trying to use in the first post. It's a Hitec 1/4 scale (only because that's what I have spare.) As it's only likely to be one servo,...
  43. Ok, I have my Teensy 3.1 and adapter but I am...

    Ok, I have my Teensy 3.1 and adapter but I am still waiting for the Wiz820IO. I might get a chance to play with the servo side this week so any advice is welcome.

    Regards,

    Les
  44. I like the Teensy++ 2.0, but it's a bit bigger...

    I like the Teensy++ 2.0, but it's a bit bigger than the Teesny 3/3.1.



    The buttons are normally connected between ground and the Teensy pin and set high with INPUT_PULLUP.



    You can...
  45. Teensy 3.1, external power, servos and ethernet

    Hi Guys,

    Not been around in a while but have a new project in the pipeline. While I have a spare Teensy 3.0, I have ordered a new 3.1 (to help contribute towards Paul's Ferrari fund ;) ) along...
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    I think the whole point is , this is just the...

    I think the whole point is , this is just the building blocks and there is no set way of wiring it up. You choose what type of analog devices and what buttons you use and then tweak the code to...
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    Ignore that last post, I was forget about that...

    Ignore that last post, I was forget about that sneaky pin 27!

    DOH!
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    Bounce problem on Pin 0 of Teensy++ 2.0

    What am I missing with the following code?

    Switches are connected between pins 0-5 (D0-D5) and ground, on a Teensy++ 2.0

    grounding pin 0 does nothing
    grounding pin 1 press key_0
    grounding pin...
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    I have just tested my sample and it works ok here...

    I have just tested my sample and it works ok here on Windows 7 Ultimate 64bit. I am sure i didn't change any of the mcHIDInterface.vb code.

    A few things to check, but I don't thing it would even...
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    Have a look here...

    Have a look here The USB template pointed me in the right direction.

    Regards,

    Les
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