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  • snowsh's Avatar
    09-03-2021, 03:11 PM
    I see that Paul S suggests not to use mosfet level shifters... is this reccommendation only for teensy 3.x? I have used a BSS138 based board (https://www.sparkfun.com/products/12009) on my teensy 4.1 driving 300+...
    1 replies | 145 view(s)
  • snowsh's Avatar
    07-28-2021, 10:37 PM
    well I found this particular issue. This week I added serial midi with 5 pin din. I had been using just usb until now. I was working on another area in my project and of course neglected to test all areas after adding...
    14 replies | 707 view(s)
  • snowsh's Avatar
    07-27-2021, 05:09 PM
    Well I got it to complie. But I am still having a slow down. I have isolated to one section of my project, wading through now.
    14 replies | 707 view(s)
  • snowsh's Avatar
    07-27-2021, 02:58 PM
    got it..... Looked at the new examples for SD....... SdFat_Usage.ino needed to update: SD.begin to
    14 replies | 707 view(s)
  • snowsh's Avatar
    07-27-2021, 02:55 PM
    I removed C:\Program Files (x86)\Arduino\hardware\teensy\avr\libraries\SdFat //------------------------------------------------------------------------ includes #include <WS2812Serial.h> #include <Wire.h>...
    14 replies | 707 view(s)
  • snowsh's Avatar
    07-27-2021, 12:27 PM
    I think Paul is on the right track here... "overlapping MPU regions" Since working with WS2812Serial and DMA I have been seeing some weird things happen. memory getting overwritten where it shouldnt etc.... So I hope...
    14 replies | 707 view(s)
  • snowsh's Avatar
    07-27-2021, 12:14 PM
    can of worms! So I have done a full fresh install of the latest arduino IDE, teensyduino...... here are my includes: //------------------------------------------------------------------------ includes ...
    14 replies | 707 view(s)
  • snowsh's Avatar
    07-27-2021, 01:22 AM
    fileSystem: In function 'void saveConfigToSD()': fileSystem:1135: error: 'File' was not declared in this scope File sdfile; // File object ^...
    14 replies | 707 view(s)
  • snowsh's Avatar
    07-26-2021, 11:56 PM
    ah, I will check that right now...
    14 replies | 707 view(s)
  • snowsh's Avatar
    07-26-2021, 11:31 PM
    4.1 with 8meg EXTRAM upgrade. I have had these odd moments throughout the last 4 months of developing this code. sometimes it just hits these lags, I continue and it goes away. I am reaching a point I really need to...
    14 replies | 707 view(s)
  • snowsh's Avatar
    07-26-2021, 03:36 PM
    looking for pointers.... So I have a project that has got pretty large. Apart from Serial.print to dump out debug info, how can I get more insight into what is going on in my program. As I code I have moments...
    14 replies | 707 view(s)
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WS2812E teensy4.1 logic level shifting 09-03-2021 03:11 PM
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