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  1. ZTiK.nl

    PIP-GRL 31415 (not spam!)

    Hi TheMike, Thank you for your kind words! Don't be discouraged by the simple tasks, you can still learn a lot from them. Have to start somewhere :) Well, because the project is in constant state of change due to my many addons over time I do not have a schematic of the currect configuration...
  2. ZTiK.nl

    PIP-GRL 31415 (not spam!)

    Thanks RandyR, though due to a change in job I haven't had much time the last few weeks to continue working on it. It might be quiet from this end for another month or two, until I am really settled in at work, and can start to focus on other things again ;) Feel free to incorporate anything...
  3. ZTiK.nl

    Sparkfun Pulse Sensor (amplified) on Teensy 3.0

    Due to a job change and some personal issues at home, I haven't gotten the time to upload my libraries to GitHub yet. I haven't forgotten, and will do so as soon as possible. My apologies for the delay...
  4. ZTiK.nl

    2.8" TFT touchscreen + Teensy 3.0

    Again, great to hear it works for you with minimal modifications! Testing the reset connection was still on my to-do list, however my to-do list has become quite large and some things just got postponed indefinately ;) I will be moving the lcd_reset pin to the Teensy reset pin soon, now that I...
  5. ZTiK.nl

    Teensy 3 MicroSD guide

    So far, I haven't experienced any issues with (the latest) SdFat beta, so I would definately advise to give it a go :) I think, but I'm not sure if 'SD USB mode' depends on 'USB host mode' From what I understood from the Kickstarter page: From posts on this forum I understood that Paul has it...
  6. ZTiK.nl

    2.8" TFT touchscreen + Teensy 3.0

    Great to hear that my postings haven't been useless and helped you get the screen to work! (It took me about 3 weeks until I got something displayed on the screen) I have to say that I wouldnt have gotten the screen to work, without assistance from immortalSpirit, CheapB and PaulStoffregen...
  7. ZTiK.nl

    Teensy 3 MicroSD guide

    Thats great to hear, kept it as simple as possible so that even somebody like myself could understand it :p Wasn't sure if I'd blow up either the Teensy pin or the MicroSD if I didnt bridge the 3V pads, and well, had to learn how to solder anyway...
  8. ZTiK.nl

    Sparkfun Pulse Sensor (amplified) on Teensy 3.0

    doublechecked, and it is the right one this time :) In case you want to use the 2 LEDs, you might want to uncomment the line: //int fadePin = 5; // pin to do fancy classy fading blink at each beat as well as function void ledFadeToBeat().
  9. ZTiK.nl

    Sparkfun Pulse Sensor (amplified) on Teensy 3.0

    I feel really silly now... You are completely right, I uploaded the original files from my library folder, instead of the modified files from my sketchbook folder :( For a quick response I will include them in this post, and I will follow up on your advice and create a github account tonight or...
  10. ZTiK.nl

    PIP-GRL 31415 (not spam!)

    offtopic: Hackerspaces are awesome, wish I joined one years ago! Even gave a presentation about my project on the open day titled 'How I learned to stop worrying and love the microcontroller'. Hope everyone liked it, even though I didn't sleep the night before and I was quite nervous (my last...
  11. ZTiK.nl

    Require new registrations to post sensibly before being umoderated?

    It does appear that way. From the FAQ: If I understand this correct, Enterprise customers are people who rent/hire infrastructure as well. The Paid plans would be the 'Personalized' and 'Professional' packages (Prof. coming soon).
  12. ZTiK.nl

    Require new registrations to post sensibly before being umoderated?

    Usually when I wake up and check the forum (around this time) the forum is filled with 10+ spam posts. Today... none! As most others, I wasn't aware of the report button until you mentioned it, I will be using it from now on. Paul, thank you for the added layer, but even more so, Robin, thank...
  13. ZTiK.nl

    SdFat - Concise code to deletye all files from a folder / directory

    Forgot to mention something quite important: That code will remove all contents of the current working directory including subdirectories! The only other code I know of capable of removing files would be sd.remove(), and deleting the files one at a time in a while/foreach loop.
  14. ZTiK.nl

    Very cool E-Ink display shield that could be converted to the Teensy 3

    Thank you, thats good to hear. I do hope this will get picked up rather sooner than later by other manufacturers which hopefully brings the average price down a bit. It sounds awesome, I read about this project in this post (no, I'm not stalking you...). It appears you (and your...
  15. ZTiK.nl

    Very cool E-Ink display shield that could be converted to the Teensy 3

    Thanks for the links (both these, and the other things you've linked like this). I do not always reply because I don't have anything useful to add, but I do wanted to let you know I like reading these posts! All kind of new possibilities jump into mind I otherwise never would have thought of :)...
  16. ZTiK.nl

    Si4703 FM Tuner on Teensy 3.0

    I wish I could tell you, but it's outside my (small) area of experience and understanding. I'm afraid that I do not understand the inner workings (of the Teensy as well as any kind of receiver) well enough, sry.
  17. ZTiK.nl

    SdFat - Concise code to deletye all files from a folder / directory

    I could use that in my signature I'm afraid :( I am in a similar position, finding myself in a subject of astronomical proportions, and each answer comes with another 2 (or more!) new questions... Anyway, this post describes what you want (by the author of the library himself). You might want...
  18. ZTiK.nl

    Si4703 FM Tuner on Teensy 3.0

    Hi DavidColburn, At first I should mention that I am very new to electronics, so whats written below could be very wrong, please doublecheck before believing this to be true! As far as I can see, the RTL-SDR requires a USB connection, which will not work unless the Teensy has USB-HOST...
  19. ZTiK.nl

    PIP-GRL 31415 (not spam!)

    It has been a bit quiet from my end, but that doesn't mean I stopped working on this project. I am in the progress of rewriting my entire code, doing things I should have done right from the beginning... just didn't expect how big it would become... Also, I have signed up with a local...
  20. ZTiK.nl

    Uisng ifdef to differentiate between teensy 2.0, teensy 2.0++, and teensy 3.0

    I don't know about T2 (++), but for my Teensy 3.0 I use: #elif defined(__MK20DX128__)
  21. ZTiK.nl

    Doomsday Atomic "Alpha Clock Five" Project using the Teensy 3

    That is a very nice way to run a project! Did you choose your 'highly skilled task or job' or was it chosen for you ? :p
  22. ZTiK.nl

    Teensyduino 1.13 Released

    Congrats on the new release (including the amazing OctoWS2811 lib) :) The only library I can think of mentioning is the SdFat, of which I can verify it works on a Teensy 3.0 'straight out of the box' up to (and including) the latest beta 'SdFatBeta20130207'. I do not own a T2.0 (++) so I...
  23. ZTiK.nl

    Teensy 3.0 and Arduino precision of double

    Using your example on a Teensy 3.0 with the latest teensyduino (1.12) gives the same results as on beta 8: floating point test 0.0 = 0.00 E-2147483648 10.3456 = 1.0345 E+1 Loop 1 3.141592 E+0 3.141592 E+3 3.141592 E+6 3.141592 E+9 3.141592 E+12 3.141592 E+15 3.141592 E+18 3.141592 E+21...
  24. ZTiK.nl

    Timer Input Capture

    Okay, sorry :)
  25. ZTiK.nl

    Timer Input Capture

    Shorten your link to see all repositories, and select the one you want https://github.com/cTn-dev?tab=repositories I think this is the one you want.
  26. ZTiK.nl

    FreeIMU questions

    Excellent :) Thats the impression I got from reading the Sparkfun product pages too...
  27. ZTiK.nl

    Doomsday Atomic "Alpha Clock Five" Project using the Teensy 3

    The words 'Faraday cage' come to mind :)
  28. ZTiK.nl

    Doomsday Atomic "Alpha Clock Five" Project using the Teensy 3

    I am currently (actively) using the Ultimage GPS breakout from Ada, and I can definately recommend it for such uses! I do not have an external antenna connected, and have a connection with at least 7 satelites at any given time within 2 minutes from powerup (indoors!).
  29. ZTiK.nl

    Doomsday Atomic "Alpha Clock Five" Project using the Teensy 3

    I have to compliment you on your thoroughness! You truly have thought of everything ;)
  30. ZTiK.nl

    Doomsday Atomic "Alpha Clock Five" Project using the Teensy 3

    Up until I read your post, I always thought DST was on the same date worldwide... Another 3 weeks to go here in the Netherlands :)
  31. ZTiK.nl

    FreeIMU questions

    That would be awesome, thanks! As far as I know the MPU-6050 doesn't have an internal compass, so I can't test the code for the compass itself. Are you using the calibration code from the website, or its repository? Asking this because of the note on the page:
  32. ZTiK.nl

    interfacing sd card and 2x16 lcd to teensy 2.0

    Adrian :) Better do it right if you mention the man by name :P
  33. ZTiK.nl

    PIP-GRL 31415 (not spam!)

    Great to hear from you again, was hoping I haven't heard the last from you yet :) Also, congratulations on the purchases, I truly hope you'll have as much fun as I had so far! About my TFT I can give you quite a bit of information, but keep in mind that most of it is directly 'linked' with my...
  34. ZTiK.nl

    Teensy 3 MicroSD guide

    If I understand the code below correct, that is correct. // do write test uint32_t n = FILE_SIZE/sizeof(buf); maxLatency = 0; minLatency = 9999999; totalLatency = 0; uint32_t t = millis(); for (uint32_t i = 0; i < n; i++) { uint32_t m = micros(); if (file.write(buf...
  35. ZTiK.nl

    Teensy 3 MicroSD guide

    Wow, thats very nice indeed I haven't been able to reach the 2MB yet, 1999.34 KB/sec... just 1 KB/s or 49 KB/s short depending on how you count :x Also, I don't think there is such thing as overkill when it concerns storage space ;) (added the format advise to the firstpost)
  36. ZTiK.nl

    Teensy 3 MicroSD guide

    Wasn't aware that it is possible to read correctly but fail on write, but I'll add the format tip to the first-post in case anyone else experiences the same, thnx! Did you format using SD or SdFat ? (I assume SdFat...) Just one more thing as far as I can see: increase the buffer size Maximum...
  37. ZTiK.nl

    Help with ADC speed

    The term 'dry run' was new to me, but that was exactly what I meant with 'bugs a.k.a. features' :) (sometimes I wish I was a bit more fluent in English)
  38. ZTiK.nl

    FreeIMU questions

    I'm late as usual... I think the dev forum can be found here. I read in your other post (here) that you managed to get the FreeIMU examples working. Is it rude of me to ask if you could share the modified library files? I am using the MPU-6050, and I haven't been able to resolve all compiling...
  39. ZTiK.nl

    looking for ideas on generating RGB colors from accelerometer + gyroscope

    You probably already got it done, but in case you didn't, maybe this can help too: My 2.8" TFT screen contains an arduino code example to draw BMP files from SD to the screen, reading a preset amount of pixels and push them to the screen. The default example can be found here, but I managed to...
  40. ZTiK.nl

    Help with ADC speed

    Hehe, the acronym thing was the only reason I could think of why it might NOT be spam but an honest mistake. Couldn't find anything related, then I noticed the exact same post on other sites too. Since all of them have been posted today, I think there is a new spambot with some bugs a.k.a...
  41. ZTiK.nl

    Help with ADC speed

    spam...
  42. ZTiK.nl

    Battery guidance

    I had a similar question when I got started, and you were the person who gave me advice on my battery... Unfortunately I have been banned from the forum, and that particular post doesn't exist anymore, so I thought I'd mention it again ;) I am using a MiPow PowerTube 2600mAh battery with both...
  43. ZTiK.nl

    confused again. Cutting VIN from VUSB - Teensy 3.0

    That is exactly how I understand it myself (with my limited knowledge). I would appreciate it if someone more experienced could confirm/verify, because I simply don't know for sure...
  44. ZTiK.nl

    confused again. Cutting VIN from VUSB - Teensy 3.0

    Well, they say you're never too old to learn :) Getting back to your follow up question(s). I could be very wrong here, but from what I understand the breakout board will draw at maximum (up to) 200mA from any source. If I read this product description correct: Combining 6x 600mAh makes...
  45. ZTiK.nl

    confused again. Cutting VIN from VUSB - Teensy 3.0

    Haha, I noticed before how our signatures are quite similar ;) It's a nice example and when I saw it, I immediately it had a 'vision' of how to make such connections. (I don't know the right word, but I mean that I could see it in front of me when I'd close my eyes)
  46. ZTiK.nl

    confused again. Cutting VIN from VUSB - Teensy 3.0

    Thanks, good to know!
  47. ZTiK.nl

    confused again. Cutting VIN from VUSB - Teensy 3.0

    Well, as always, I am not an expert and I just did what made most sense to me :) I haven't thought this far ahead yet about multiple power supplies, so I'd like to thank you for posting these images/schematics. A nice insight on what I should expect when I eventually make the switch from a...
  48. ZTiK.nl

    Teensy3 and Sparkfun GPS-10920

    Ah my bad... (it's almost midnight here) Anytime, grats on getting it to work! Another tip, in case you run into the same thing I did when I started. My GPS module outputs all data in NMEA format. Since I wanted to be able to use decimal degrees, I had to find a way to convert NMEA to decimal...
  49. ZTiK.nl

    Teensy3 and Sparkfun GPS-10920

    I'd have to be honest and say that I don't really know. I've had very little experience with serial interfaces so far, and the code that I was provided with worked right away. The code that I got to define the serial interface is: Adafruit_GPS GPS(&Serial2); (I only changed it to Serial1, to...
  50. ZTiK.nl

    Teensy3 and Sparkfun GPS-10920

    I don't have the same GPS module, but I know that when I power up mine, it takes (up to) 2 minutes before my GPS gets a fix and starts receiving data... Did you try running the sketch for a few minutes as well? Also, what happens if you use Serial2. instead of gpsSerial. ?
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