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  • dkryder's Avatar
    Today, 12:05 AM
    this thread has been an eye opener for me. i would have never thought that OSH would just continue churning out defective boards once they were made aware of the issue. .8mm & castellation just don't work with this pcb...
    99 replies | 2787 view(s)
  • dkryder's Avatar
    10-13-2019, 06:03 PM
    ok. but for future reference i can make a suggestion that might help. i have no idea if it would help in this case. it sounds like it would not. but ive been in similar situations when a secondary pcb was soldered close...
    99 replies | 2787 view(s)
  • dkryder's Avatar
    10-12-2019, 11:25 AM
    well since you seem to have written off that t4 you might as well try to take apart. nothing to lose. heating each pin soldered to teensy until you can pull it. gently, slightly wedge a toothpick or similar between the...
    99 replies | 2787 view(s)
  • dkryder's Avatar
    10-05-2019, 06:32 AM
    there are knowledgeable people on this forum and good tips, https://www.eevblog.com/forum/repair/
    99 replies | 2787 view(s)
  • dkryder's Avatar
    09-17-2019, 06:14 PM
    yeah. i never have done that because always afraid of hitting wrong pad accidentally. that is too close for comfort for me, but props to those who can habitually pull it off. i have hands that can be kinda twitchy at...
    13 replies | 199 view(s)
  • dkryder's Avatar
    09-17-2019, 05:56 AM
    i have a suggestion on the methodology. when using an inverted teensy/low profile headers in the testing phase it's not necessary to fully seat the teensy. i generally do at most half way. i know the teensy will...
    13 replies | 199 view(s)
  • dkryder's Avatar
    09-16-2019, 07:12 PM
    @KurtE, thanks. you are correct. i had not realized it but the flex is not optional, it's a must have. only option is host/no host and if you want host then solder flex to board OR maybe wire the T4 /breakout data pads...
    259 replies | 14051 view(s)
  • dkryder's Avatar
    09-16-2019, 04:36 PM
    i remember @loglow saying a some point that if you don't solder the flex to his data pads the host won't work yet i do not understand why i could not use maybe 30g wire from the data pads on the teensy to the data pads...
    259 replies | 14051 view(s)
  • dkryder's Avatar
    09-15-2019, 06:22 PM
    i'd suggest to remove the teensy from the breakout board if you have not already.
    259 replies | 14051 view(s)
  • dkryder's Avatar
    09-09-2019, 06:45 AM
    the way it worked for me was by adding a pcb, like Michael suggested, the first class shipping was then free. i put Paul's PT8211 @ 3.85 for 3 in with the addon teensy 4.0 and total was $21.85 shipped. i have no idea if...
    25 replies | 1418 view(s)
  • dkryder's Avatar
    09-03-2019, 07:34 PM
    loglow, at this point i'm just happy that i kinda slacked off about getting the connector soldered to the teensy the past week and that you included the thickness detail about the flex and the connector you use in...
    259 replies | 14051 view(s)
  • dkryder's Avatar
    09-01-2019, 05:11 PM
    loglow, i'm wondering if your flex will fit tight in the 609-1788-1-ND connector used on the beta test setups? that connector is a pressure fit, it looks like, whereas yours has a lock tab which you mention helps grip...
    259 replies | 14051 view(s)
  • dkryder's Avatar
    08-27-2019, 06:55 PM
    take a look at this thread that discusses some serial monitor issues and a few fixes. https://forum.pjrc.com/threads/54711-Teensy-4-0-First-Beta-Test?p=213526&viewfull=1#post213526
    10 replies | 166 view(s)
  • dkryder's Avatar
    08-27-2019, 06:29 PM
    you might need to use latest teensyduino, https://www.pjrc.com/teensy/td_download.html also, there are some ongoing improvements to the serial monitor. i think discussion is in 4.0 beta thread.
    10 replies | 166 view(s)
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