Fenichel

The area looks clean to me, even under magnification. I have blown the whole unit with compressed air anyway. If there is another freeze, I'll probably be able to revive this Teensy again, but is there any sort of informative probing that I...

After several days of continuous operation, not connected to USB, in an application described elsewhere , a Teensy 4.1 (S/N 1532053) abruptly froze, with its USB-proximate LED flashing in groups of 4. Power-cycling didn't help, but when I...

The first time (7+ days) I probably did try holding the Program Button, as you suggested, and the recovery can be attributed to that. I should have mentioned this. The second time (52 days), alas, I definitely did try the Program Button method...

Thanks for the idea, but I never use millis().

I started this thread to report that a Teensy 4.1, not connected via USB, had frozen after over a week of continuous operation. Rebooting had no effect, and it could not be restarted until the app was reloaded from the Teensyduino IDE. The...

I was caught off guard by Paul's page drawing attention to my old home monitoring project. The project is in the middle of some fairly broad redesign, and I am trying to avoid getting sucked into a 2.0 syndrome. I was not planning to say...

This system has evolved quite a bit since that writeup was produced. Now that you've drawn attention to it, I feel obligated to update the description. Among other things, some components use (and all components will use) Teensy 4.1s instead of...