Forum Rule: Always post complete source code & details to reproduce any issue!

Search:

Type: Posts; User: MatrixRat

Search: Search took 0.00 seconds.

  1. Replies
    8
    Views
    115

    Thank you again defragster, I've got it *mostly*...

    Thank you again defragster, I've got it *mostly* working now in that EEprom writes are no longer blocked and the list of dirty kludges has diminished to ONE. Yay!
  2. Replies
    8
    Views
    115

    Thank you defragster. Didn't think of inserting...

    Thank you defragster. Didn't think of inserting the hyphen when searching for nonBlocking. PEBKAC error!

    While I was in there, scrolled down the page and found the solution to the basis of...
  3. Replies
    8
    Views
    115

    Thanks defragster and KurtE. Recent re-format...

    Thanks defragster and KurtE. Recent re-format drill. No other IDE install folder.

    Compiler verbage indicates that it's looking in the right place for Teensy's version of the Wire library and I...
  4. Replies
    8
    Views
    115

    Need Wire.endTransmissionNonblocking();

    Hi Folks.
    Am working on a Mega based device found on Git. Have built one and got it working. It could use more horsepower and less hardware real estate so I've managed to get it *partially* working...
  5. Never mind, I got over that hurdle.

    Never mind, I got over that hurdle.
  6. Porting Mega code to T3_2 and softReset

    Hi folks and thanks for reading.

    The device has three buttons and two pots and a led display as a user interface and has the capability of being controlled remotely so therefore the code has two...
  7. I prefer the smooth square pin of the WireWrap...

    I prefer the smooth square pin of the WireWrap type. Some stackable headers I've used are pretty rough on the contact face and remind me of a file every time inserted / removed.
  8. Honestly, I prefer these:- ...

    Honestly, I prefer these:-

    https://au.mouser.com/ProductDetail/Gravitech/8Fx1L-254mm?qs=%2Fha2pyFaduiCaLlyPW%252BOf56lo4LzJE2QfhQHm1qpRRNgmluYncIL6Q%3D%3D

    Might cost more but give less trouble...
  9. Something like this is handy in the toolkit....

    Something like this is handy in the toolkit.
    18255
  10. Replies
    15
    Views
    344

    Thanks neurofun. Will play with that and start a...

    Thanks neurofun. Will play with that and start a new thread if needed.
  11. Replies
    15
    Views
    344

    Are those range sensors polite enough to let you...

    Are those range sensors polite enough to let you power them up, read then power them down in sequence so as to spread out the power drain?

    I hope I'm not getting Off-topic here but a hand up from...
  12. Replies
    15
    Views
    344

    Any Teensy from LC to 3_6 should do it.

    Any Teensy from LC to 3_6 should do it.
  13. Replies
    15
    Views
    344

    You need to choose a USB type Midi in Tools so...

    You need to choose a USB type Midi in Tools so the compiler knows to use it. I don't think T4 supports USB Mid yet.
  14. This is a Windows Class Compliant Midi device...

    This is a Windows Class Compliant Midi device driver issue in that you can only make ONE connection to a USB-Midi port. I believe that this is sorted for Win 10.

    So in Win7, we're stuck with...
  15. Replies
    10
    Views
    324

    Couple of points from early days in RF.: Any...

    Couple of points from early days in RF.:
    Any mismatch in the Transmitter>feedline>antenna arrangement can cause the feedline to radiate energy. Sharp bends in the feedline are best avoided.
    Sensor...
  16. Replies
    5
    Views
    118

    Have just finished testing the same mods on an...

    Have just finished testing the same mods on an earlier MEGA based controller. Cleaned it right up. Next, copy paste same into another MEGA based rig featuring many more pots, multiplexers and a pile...
  17. Replies
    5
    Views
    118

    Thank you again Nominal Animal. Following on...

    Thank you again Nominal Animal.
    Following on from my previous post, I've played with and implemented your suggested code and it works. The quantization error you highlighted had made itself obvious...
  18. Replies
    5
    Views
    118

    Thank you Nominal Animal for your thoughtful...

    Thank you Nominal Animal for your thoughtful response. I've not considered using log pots and usually don't if looking for decent behavior in audio for level or pan. Even so-called linear pots are...
  19. Replies
    5
    Views
    118

    Using map() with Midi controller pots

    Greetings everyone.
    Thanks in advance for reading. Am working on an ever evolving Midi controller seeking advice using the map() function for pot calibration.
    Before I added map() to the mix, I...
  20. Typos in Teensy>USB_MIDI>TransmitEverything

    Hi folks. Discovered Typos in Teensy>Examples>USB_MIDI>TransmitEverything.

    IDE 1.8.9 TD1.47, From line 143:-


    case 21:
    usbMIDI.beginNrpn(417, channel, cable);
    ...
  21. Replies
    14
    Views
    186

    Thank you for your thoughts vjmuzik. I get the...

    Thank you for your thoughts vjmuzik. I get the idea, will look into permutations and combinations at some point. TE's offering looks like it would work too. I've got it sorted using Copperlan to...
  22. Replies
    14
    Views
    186

    Thanks guys, that helped put things in focus...

    Thanks guys, that helped put things in focus leading to some exploratory plug jockeying:-

    Arturia's BSPro, class compliant, single client. Have usually used it's Din for Midi so had not previously...
  23. Replies
    14
    Views
    186

    Teensy USB-Midi single client?

    Hi folks. I've been building some USB-Midi interface/ controllers using LC's and 3.2's. and although everything works as intended, Ive found that I can only make one single connection to a...
  24. I used a 5mm "opaque" Neopixel. Roughed it up...

    I used a 5mm "opaque" Neopixel. Roughed it up with some fine sandpaper to mute the point source some more. Painted the outside with a silver felt-tip and set it about 6mm behind some 2mm clear...
  25. Replies
    1
    Views
    88

    Some years ago I decided to build a pocket Audio...

    Some years ago I decided to build a pocket Audio Monitor for vocal training and other portable sound reinforcement applications and here's where its at:-

    17830

    The box contains 3 x 2.2 Ah...
  26. Replies
    3
    Views
    94

    Thanks GremlinWrangler. Five of the devices...

    Thanks GremlinWrangler. Five of the devices require their own wallwarts due to their power consumption or other idiosyncracies and four are not designed to work out of a hub. Ok, will damage a cable...
  27. Replies
    3
    Views
    94

    USB device insertion sequencer

    Hi everyone.
    I need a USB device insertion sequencer so I'm thinking of a TeensyLC in a box with a row of USB-B connectors on the back, a corresponding row of Host sockets on the front with the LC...
  28. Replies
    1
    Views
    79

    Oops, sorry folks. The iConnectivity -...

    Oops, sorry folks.



    The iConnectivity - Teensy Midi connection works for notes, CC's etc, but unfortunately not Sysex.
  29. Replies
    1
    Views
    79

    TeensyLC Midi optical Pedals

    17753

    Finally, off the bench. My 5 - pedal Midi controller/ interface.

    First Arduino project, originally built using a Mega and four pedals salvaged from scrapped Electronic Organs. One pedal...
  30. Replies
    34
    Views
    1,084

    Users might like to check out intelligent touch...

    Users might like to check out intelligent touch screens offered here:- https://4dsystems.com.au/products/featured-products

    More expensive than the Nextions so I guess you'd weigh up $ per hour in...
  31. Replies
    6
    Views
    185

    Is there a way of doing that without a USB...

    Is there a way of doing that without a USB Protocol Analyser?
  32. Replies
    6
    Views
    185

    I'm using an iConnectivity MIO-10 and have run...

    I'm using an iConnectivity MIO-10 and have run into the same issue with it's USB host not recognizing Teensy multi-cable USB Midi.

    The MIO-10 ordinarily recognizes multi-cable class compliant...
  33. I've stripped a range of organs for the optical...

    I've stripped a range of organs for the optical expression pedals and a Hammond (80's) foot keyboard duly connected to a Teensy LC. I've noted that some more "modern" (80's) organs may have multiple...
  34. Replies
    10
    Views
    417

    Following up on post #10. Have confirmed that the...

    Following up on post #10. Have confirmed that the USB3 card is the Sunix USB 4300NS featuring the NEC uPD720201.
  35. Replies
    10
    Views
    417

    Am out of town so can't peek inside the box, so...

    Am out of town so can't peek inside the box, so checked supplier website and a Sunix USB 4300NS looks familiar - has a Renesas (NEC) uPD720201 controller.
    Scratching grey haired head.., Sorry, I...
  36. Dead board? Analog noise? This may be useful

    Users who may have done considerable head scratching re seemingly inexplicable equipment failures, noisy audio and ADC results eg. noisy Pot readings in a Midi controller or observed sparks when...
  37. Replies
    6
    Views
    136

    Switched Mode Power Supplies can suffer from poor...

    Switched Mode Power Supplies can suffer from poor regulation and be more susceptible to line - borne noise when lightly loaded, especially if the load is noisy.
    Loading a Wallwart or Traco converter...
  38. Replies
    10
    Views
    417

    Had a very similar problem on an AMD quad core....

    Had a very similar problem on an AMD quad core. Turned out that the culprit was a driver issue with the VIA USB3 host. I flashed the MoBoard with the latest Bios, disabled the on-board USB3 host,...
Results 1 to 38 of 38