Browse files

add a mic, maybe

  • Loading branch information...
1 parent e822980 commit 734ff109e85973648de8790b679d9d789756c8ac @rambo rambo committed Mar 24, 2013
Showing with 4 additions and 0 deletions.
  1. +4 −0 hardware/board_rev2/
@@ -8,3 +8,7 @@
* In any case [MCP1826T]( looks like a good choice for regulator (very low drop even at high current) and decent price.
* Consider MCP73837 as alternative LiPo charger
* See
+ * Consider adding a microphone (for sound-sensitive stuff)
+ *
+ * Remember an op-amp to get usable voltage levels from the mic
+ * Sparkfun has a schematic but it needs changes, check [this comment]( for reminder of freq calculations and adjust R5 to 500k for example

0 comments on commit 734ff10

Please sign in to comment.