diff --git a/scratch.txt b/scratch.txt
index 7c0950f..372ccac 100644
--- a/scratch.txt
+++ b/scratch.txt
@@ -1,3 +1,6 @@
+ATMEGA328p can achieve 400 000 bauds. U2Xx=1 and UBRx=4
+
+
 /*
 FIXME this should work, but does not...
 
diff --git a/track1.txt b/track1.txt
deleted file mode 100644
index 77ba353..0000000
--- a/track1.txt
+++ /dev/null
@@ -1,31 +0,0 @@
-2
-3
-4
-5
-12
-13
-12
-13
-12
-13
-12
-13
-12
-13
-12
-13
-12
-13
-12
-13
-12
-13
-6
-7
-12
-13
-12
-13
-12
-13
-2
\ No newline at end of file
diff --git a/track2.txt b/track2.txt
deleted file mode 100644
index 216572c..0000000
--- a/track2.txt
+++ /dev/null
@@ -1,14 +0,0 @@
-13
-12
-13
-6
-7
-12
-13
-12
-13
-12
-13
-12
-13
-2
\ No newline at end of file
diff --git a/track3.txt b/track3.txt
deleted file mode 100644
index d954092..0000000
--- a/track3.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-12
-13
-12
-13
-2
-21
-22
-23
-24
-25
\ No newline at end of file