propa
Well-known member
Hello,
I just got a couple of teensy 4.0's and didn't realise they needed a new audio board. I now have to redesign the control the board I'd made for rev c and 3.2/3.6.
that's the old control board, but seems to use some pins the new audio board uses now. I just swap them over and I should be good to go again?
This is also a random curiosity, I've had a decent level of signal out of the audio boards as far as I can tell, is it necessary to add an op amp to amplify the sound or add ferrite beads when using the audio board in conjunction with 4.0?
I've seen some low power OPA(some number) that's a low power Opamp, would there be any discernible benefit from adding an amp circuit like that?
I just got a couple of teensy 4.0's and didn't realise they needed a new audio board. I now have to redesign the control the board I'd made for rev c and 3.2/3.6.
that's the old control board, but seems to use some pins the new audio board uses now. I just swap them over and I should be good to go again?
This is also a random curiosity, I've had a decent level of signal out of the audio boards as far as I can tell, is it necessary to add an op amp to amplify the sound or add ferrite beads when using the audio board in conjunction with 4.0?
I've seen some low power OPA(some number) that's a low power Opamp, would there be any discernible benefit from adding an amp circuit like that?