Upgrading from the 3.6 to 4.1 Power issues

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laptophead

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When I power the 4.1 from USB it is drawing 6 mA, thats reasonable.

Then I put it in the socket I build, where the 3.6 was, I apply 5 v at Vin and Gnd and :
It takes 106mA. I disconnected it fast.

Whats wrong?

Also
There used to be Ground and Analog ground, whats the difference?

Thanks
 
Teensy 4.1 uses approx 100 mA when running at 600 MHz.

Stepping down to 528 MHz in Tools > CPU Speed makes a substantial reduction, because the CPU runs at a lower voltage for 528 MHz and below.
 
OK
I will run it at 600 MHz, I got the power. I never seen an Arduino compatible take that much,

I thought it was bad, shorted inside...

Thanks a lot.
 
Trouble with the uploads

Every third time I upload, I get:

An error occurred while uploading the sketch

No other explanations, but the sketch is loading, and teensy reboots.

I would ignore it, but My serial monitor become disabled, even if the teensy works.

Then I hit the push button on the Teensy once or twice at a minute interval, and the serial works again.

I tried to run it at 528 MHz but that did not help.

The Teensy gets power through the pins Vin and ground. 5v,

The USB port also has power from the Mac, but it draws 0 mA if the external power is on.

The port teensy selects is one, but another port shows in the bottom right.

See attachments,

I upload about a 100 times a day, this is hard. My 3.6 was working flawlessly in the same setup.

Thanks
Mitch
 

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When it glitches I get:

java.lang.reflect.InvocationTargetException
at java.awt.EventQueue.invokeAndWait(EventQueue.java:1349)
at java.awt.EventQueue.invokeAndWait(EventQueue.java:1324)
at javax.swing.SwingUtilities.invokeAndWait(SwingUtilities.java:1353)
at processing.app.inputPipeListener.update_gui(TeensyPipeMonitor.java:321)
at processing.app.inputPipeListener.run(TeensyPipeMonitor.java:284)
Caused by: java.lang.NullPointerException
at java.lang.String.<init>(String.java:198)
at processing.app.FifoDocument.processAppended(FifoDocument.java:255)
at processing.app.inputPipeListener$1.run(TeensyPipeMonitor.java:313)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:301)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
 
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