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Re: Initial Test of Main V12.6 board


 

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Yes, you can temporarily remove the hat.? Program the Teensy, turn the power off¡­ and replace the hat if you want.

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Dr. William J. Schmidt - K9HZ J62K(J68HZ) 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ

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Owner - Operator

Big Signal Ranch ¨C K9ZC

Staunton, Illinois

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Owner ¨C Operator

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Moderator: Amateur Radio Builders Group at Groups.IO.

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From: [email protected] <[email protected]> On Behalf Of John Owens K1JO via groups.io
Sent: Saturday, May 3, 2025 11:19 AM
To: [email protected]
Subject: [SoftwareControlledHamRadio] Initial Test of Main V12.6 board

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I'm following the Main Board build instructions. The first tests went well, i.e. 3.3 and 5v tests.

On the next test, i.e. loading the i2cscan.ino, the serial monitor reported No I2C devices found. However, in another popup window, it said Press Button on Teensy to manually enter Program Mode, with i2scan.ino.hex 1% used on the status line.
With the audio hat on top of the Teensy 4.1, I cannot access the "button". Should I remove the Teensy from the Main board, remove the Audio Hat, and then program the Teensy by itself first?

Best regards,

John K1JO

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