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-rw-r--r--digital/io/src/sharp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/digital/io/src/sharp.c b/digital/io/src/sharp.c
index 78c0d371..df14dab8 100644
--- a/digital/io/src/sharp.c
+++ b/digital/io/src/sharp.c
@@ -70,7 +70,7 @@ uint8_t sharp_cache_interpreted_[SHARP_NUMBER];
/**
* Filter number value before changing state.
*/
-#define SHARP_FILTER_NUMBER 2
+#define SHARP_FILTER_NUMBER 4
/**
* Previous sharp interpreted values.