diff --git a/CHANGELOG.md b/CHANGELOG.md
index ccb643c..cd9e4f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 0.5.0 - xx/08/2017
+## 0.5.0 - 12/10/2017
 - Implemented driver subsystem for interfacing with other board
 - Added driver spb16ch for interfacing with "Smart Power Board 16 channel with RTC"
 - Added socket server api for close all zones and disable all scheduling
diff --git a/conf/piGarden.conf.spb16ch.example b/conf/piGarden.conf.spb16ch.example
index 7c48b21..a85b0de 100644
--- a/conf/piGarden.conf.spb16ch.example
+++ b/conf/piGarden.conf.spb16ch.example
@@ -3,7 +3,7 @@ LOG_FILE="/home/pi/piGarden/log/piGarden.log"
 LOG_FILE_MAX_SIZE=1048576 # 1MB
 
 # Log file for driver output
-LOG_OUTPUT_DRV_FILE="/tmp/piGarden.drv.log"
+#LOG_OUTPUT_DRV_FILE="/tmp/piGarden.drv.log"
 
 # Status directory
 STATUS_DIR="/home/pi/piGarden/state"
diff --git a/drv/sample/common.include.sh b/drv/sample/common.include.sh
index ad7826a..b2a9700 100644
--- a/drv/sample/common.include.sh
+++ b/drv/sample/common.include.sh
@@ -1,3 +1,12 @@
 #
-# Common function for this driver
+# Funzioni comuni utilizzate dal driver
 #
+
+#
+# Funzione di esempio
+#
+function sample_foo {
+
+	echo "bar"
+
+}
diff --git a/drv/sample/config.include.sh b/drv/sample/config.include.sh
index bef8da7..e71decc 100644
--- a/drv/sample/config.include.sh
+++ b/drv/sample/config.include.sh
@@ -2,3 +2,6 @@
 # File di configurazione del driver
 # 
 
+# Dichiarazione variabile di esempio
+declare -g SAMPLE_FOO
+SAMPLE_FOO="bar"
diff --git a/drv/spb16ch/README.md b/drv/spb16ch/README.md
index 7346b60..6ba8939 100644
--- a/drv/spb16ch/README.md
+++ b/drv/spb16ch/README.md
@@ -8,3 +8,5 @@ sudo usermod -a -G i2c pi
 Oltre a quanto sopra indicato, il raspberry deve avere caricato i moduli di gestione del bus i2c:
 sudo raspi-config
 Interfacing Options / I2C / Yes
+
+Per maggiori informazioni consulta https://www.lejubila.net/2017/10/pigarden-spb16ch-gestiamo-fino-a-128-zone-nel-nostro-impianto-di-irrigazione/
diff --git a/piGarden.sh b/piGarden.sh
index 150a749..8ed9e36 100755
--- a/piGarden.sh
+++ b/piGarden.sh
@@ -12,6 +12,8 @@ function initialize {
 
 	log_write "Run initialize"
 
+	unlock
+
 	# Inizializza i driver gpio
         for drv in "${list_drv[@]}"
         do
@@ -767,7 +769,7 @@ TCPSERVER_PID_FILE="$TMP_PATH/piGardenTcpServer.pid"
 TCPSERVER_PID_SCRIPT=$$
 RUN_FROM_TCPSERVER=0
 TMP_CRON_FILE="$TMP_PATH/pigarden.user.cron.$$"
-LOCK_FILE="$TMP_PATH/piGarden.lock"
+LOCK_FILE="$TMP_PATH/piGarden.dir.lock"
 
 if [ -f $CONFIG_ETC ]; then
 	. $CONFIG_ETC