For any add-on boards such as VR conditioners, optos and OEM interface boards
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By kimdrummel
#6830
Thought i'd share this if anyone, like me, wants to experiment with input signals using the MAX9926 instead of the LM1815.

The Eagle libraries being used are these:

adafruit.lbr
wirepad.lbr
pinhead.lbr
Maxim_By_element14_Batch_1.lbr

The board is through-hole except for the MAX9926, making it easy to alter during use.
It's also below 100x100mm, which will be around 25$ if ordering 5 or 10 boards from PCBWay.com including shipping.

Make sure to share alterations and improvements to the circuit so we can make it even better for everyone. :)

Included in the archive is both the Eagle schematic and board files.
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