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link to the opamp sparkfun uses

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1 parent 734ff10 commit 2dfea95a076e26ac3ac3e998c78bf1d2fca81875 @rambo rambo committed Mar 24, 2013
Showing with 1 addition and 1 deletion.
  1. +1 −1 hardware/board_rev2/README.md
@@ -10,5 +10,5 @@
* See http://ww1.microchip.com/downloads/en/AppNotes/01149c.pdf
* Consider adding a microphone (for sound-sensitive stuff)
* http://www.digikey.fi/product-detail/en/CMA-4544PF-W/102-1721-ND/1869981
- * Remember an op-amp to get usable voltage levels from the mic
+ * Remember an [op-amp](http://www.digikey.fi/product-detail/en/OPA344NA%2F250/OPA344NACT-ND/362263) to get usable voltage levels from the mic
* Sparkfun has a schematic but it needs changes, check [this comment](https://www.sparkfun.com/products/9964#comment-4f47af0dce395f4713000000) for reminder of freq calculations and adjust R5 to 500k for example

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