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September 23, 2008
about 8 years ago
Jeremy1998: I am going to modify this in Eagle so that one side is 3.3V and one side is 5V... I think that that sould be like V2 or something...
I agree. It's trivial to use jumper wire to copy a voltage to the 2nd rail. It's more useful to have both voltages available from a single power jack.
about 9 years ago
I'm pretty sure this board has a design flaw such that the inner and outer conductors of the RCA jack are shorted. I alerted SparkFun, and they are supposedly working on a fix.
The board still works using the .1" spaced Out+ and Out- signals (don't solder the RCA jack).
Also, I found that it operates pretty well on Li-ion voltage.
The BOB-08669 is smaller but amplifies high frequencies too much. This board (even at 3.7 v) has better balance.
about 10 years ago
Note that the edge and borders of this board are metal, forming a single conductor top to bottom and around.
I find it rather inconvenient having to worry about shorting bare leads and wires.
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