diff --git a/bin/hidconsole b/bin/hidconsole
index 2acd0508..f0b5599d 100755
--- a/bin/hidconsole
+++ b/bin/hidconsole
@@ -5,5 +5,6 @@ LIB=`readlink -f $(dirname "$Z")/../lib`
 export PYTHONPATH=$LIB
 export PYTHONUNBUFFERED=yes
 
+NICE=`which nice 2>/dev/null`
 PYTHON=${PYTHON:-`which python python2 python3 | head -n 1`}
-exec $PYTHON -m hidapi.hidconsole "$@"
+exec $NICE $PYTHON -m hidapi.hidconsole "$@"
diff --git a/bin/scan-registers b/bin/scan-registers
new file mode 100755
index 00000000..0bdca288
--- /dev/null
+++ b/bin/scan-registers
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+if test -z "$1"; then
+	echo "Use: $0 <device number 1..6>"
+	exit 2
+fi
+
+Z=`readlink -f "$0"`
+HC=`dirname "$Z"`/hidconsole
+
+z='0 1 2 3 4 5 6 7 8 9 a b c d e f'
+
+for x in $z; do
+	for y in $z; do
+		echo "10 0${1} 81${x}${y} 000000"
+	done
+done | $HC --hidpp | grep -v ' 8F.. ..0[12]' | grep -B 1 '^>> '
+
+for x in $z; do
+	for y in $z; do
+		echo "10 0${1} 83${x}${y} 000000"
+	done
+done | $HC --hidpp | grep -v ' 8F.. ..0[12]' | grep -B 1 '^>> '
diff --git a/bin/solaar b/bin/solaar
index 911e74c6..681e48b5 100755
--- a/bin/solaar
+++ b/bin/solaar
@@ -8,5 +8,6 @@ SHARE=`readlink -f $(dirname "$Z")/../share`
 export PYTHONPATH=$APP:$LIB
 export XDG_DATA_DIRS=${SHARE}_override:$SHARE:$XDG_DATA_DIRS
 
+NICE=`which nice 2>/dev/null`
 PYTHON=${PYTHON:-`which python python2 python3 | head -n 1`}
-exec $PYTHON -m solaar "$@"
+exec $NICE $PYTHON -m solaar "$@"
diff --git a/bin/solaar-cli b/bin/solaar-cli
index e2bb1310..a146c0e6 100755
--- a/bin/solaar-cli
+++ b/bin/solaar-cli
@@ -5,5 +5,6 @@ APP=`readlink -f $(dirname "$Z")/../app`
 LIB=`readlink -f $(dirname "$Z")/../lib`
 export PYTHONPATH=$APP:$LIB
 
+NICE=`which nice 2>/dev/null`
 PYTHON=${PYTHON:-`which python python2 python3 | head -n 1`}
-exec $PYTHON -m solaar_cli "$@"
+exec $NICE $PYTHON -m solaar_cli "$@"