diff --git a/home.admin/config.scripts/blitz.powertest.sh b/home.admin/config.scripts/blitz.powertest.sh
index b35028a..99cdec4 100644
--- a/home.admin/config.scripts/blitz.powertest.sh
+++ b/home.admin/config.scripts/blitz.powertest.sh
@@ -19,14 +19,23 @@ sysbench --max-time=60 --test=cpu --cpu-max-prime=10000 --num-threads=4 run 1>/d
 # keep monitoring in the background
 Maxfreq=$(( $(awk '{printf ("%0.0f",$1/1000); }'  </sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq) -15 ))
 for (( n=0; n<15; ++n )); do
+
+    # make measurements
 	Temp=$(sudo vcgencmd measure_temp | cut -f2 -d=)
 	RealClockspeed=$(sudo vcgencmd measure_clock arm | awk -F"=" '{printf ("%0.0f",$2/1000000); }' )
 	SysFSClockspeed=$(awk '{printf ("%0.0f",$1/1000); }' </sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq)
 	CoreVoltage=$(sudo vcgencmd measure_volts | cut -f2 -d= | sed 's/000//')
+
+    # debug output
 	if [ ${RealClockspeed} -ge ${Maxfreq} ]; then
 		echo -e "${Temp}$(printf "%5s" ${SysFSClockspeed}) MHz  ${CoreVoltage}" >&2
 	else
 	  	echo -e "${Temp}$(printf "%5s" ${RealClockspeed})/$(printf "%4s" ${SysFSClockspeed}) MHz ${CoreVoltage}" >&2
   	fi
+
+    # analyse values
+    voltvalue="${CoreVoltage/V/}"
+    echo "V -> ${voltvalue}"
+
 	sleep 5
 done
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