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Tried 2 new Audio Hats no luck :( Tim

--------------------------------- I am going to flat out lie and say I've never missed a pin or soldered it incorrectly. I have half a thought that hopefully someone can either finish or explain why

Yeah I’ve had trouble with those cheap Chinese sockets too. Buy the good ones… they are just a few cents more. Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ

Cables could be an issue too… Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois Owner – Operator Villa

Rick Same here I did eliminate the extender and just used long pin female headers to get hat above heat sink. I have to play with reseating Teensy to get I2C to work properly. Once tweaked it seems

Didn't you say that you've already trial a second audio hat? Jack, W8TEE

I actually had to ditch the extension board. After several intermittent software issues I discovered that by pushing down on the teensy and restarting it would work normally for a while only to happen

Been thru that once Jerry need to reflow again, it is definitely one of the Teensy pins. Update, I was able to get 64 beta to load and recognize all the I2C addresses including Audio Hat, and auto rx

I would carefully check all the soldering at the Teensy and the audio hat and the offset board - I found a few Teensy pins that I hadn't actually soldered. - Jerry

Ok… Good to know. I’m winding coils too! Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois Owner –

Yes I hold button until it goes into slow flash mode as per Teensy site suggestion. Tnx for help, I am busy winding coils so it is not an issue at moment. RX is fine without audio hat installed. Tried

On thing Tim… Have you been resetting the flash memory every time you load a program? Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner - Operator Big Signal

Very strange Tim… but we will help you figure it out! Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois

I2C scanner found all the addresses However program(ver50.2)will not run with audio hat installed :( Tim

And…. If it works only sometimes, there is a bad connection somewhere. Probably either a solder connection of one of the IDC cables. Pictures are worth 1,000 words! Dr. William J. Schmidt - K9HZ

Use this test software: T41/T41_V012_Files/T41_V012_Software/T41_V12_Software_For_Board_Testing/V12_Main_Board_Test/i2cscan at main · DRWJSCHMIDT/T41

You can actually do either, but it will be far easier to stack them one on top of the next. That's why it's written that way in the Assembly manual. BUT if you can get them side-by-side. that works

Dr. Bill Which I2C scanner SW do you use? Unrelated to audio hat, sometimes when I boot up it does not see LPF or BPF address All the others are seen. after some fiddling it will work fine. I check

I was under the impression that if there is enough room, you are better to stack them side by side? (Something about electrickery(sic) flowing the same length through the "stacked" components, albeit

Thanks