diff --git a/api/set_light.php b/api/set_light.php
index 428905f..77df9b2 100644
--- a/api/set_light.php
+++ b/api/set_light.php
@@ -1,5 +1,6 @@
 <?php
 $light = $_POST["light"];
-$output = shell_exec('bash ../scripts/led.sh '+$light);
-echo $output
-?>
\ No newline at end of file
+$output = null;
+exec('bash ../scripts/led.sh '.$light, $output);
+var_dump($output);
+?>
diff --git a/api/temp.php b/api/temp.php
old mode 100644
new mode 100755
index 4c97ee4..4cfdca3
--- a/api/temp.php
+++ b/api/temp.php
@@ -1,4 +1,4 @@
 <?php
-$output = shell_exec('bash ../scripts/temp.sh');
+$output = shell_exec('bash ../scripts/get_temp.sh');
 echo $output
-?>
\ No newline at end of file
+?>
diff --git a/scripts/get_temp.sh b/scripts/get_temp.sh
index 92747a3..7a36491 100755
--- a/scripts/get_temp.sh
+++ b/scripts/get_temp.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-response=`i2cget -y 1 0x18 0x05 w`
+response=`/usr/sbin/i2cget -y 1 0x18 0x05 w`
 upper_byte=$(($response & 0x00FF))
 lower_byte=$(($response & 0xFF00))
 let "sign=0"
@@ -13,5 +13,4 @@ else
 	upper_byte=$((upper_byte & 0x0F))
 	let "temperature = ($upper_byte*100 * 16 + $lower_byte*100 / 4096)"
 fi
-# printf %.2f "$(($temperature))e-2"
-echo $temperature > toto;
+printf %.2f "$(($temperature))e-2"
diff --git a/scripts/led.sh b/scripts/led.sh
index b1dc3c8..6449958 100755
--- a/scripts/led.sh
+++ b/scripts/led.sh
@@ -1,7 +1,8 @@
 #!/bin/bash
-
+echo $1
 gpio mode $1 out
 let "out=`gpio read $1`"
+echo $out
 if [ $out = 1 ]
 then
     gpio write $1 0
diff --git a/scripts/toto b/scripts/toto
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/scripts/toto
@@ -0,0 +1 @@
+0
diff --git a/start_dev.sh b/start_dev.sh
old mode 100644
new mode 100755
diff --git a/test.php b/test.php
new file mode 100644
index 0000000..61147d4
--- /dev/null
+++ b/test.php
@@ -0,0 +1,5 @@
+<?php
+$out = null;
+exec("scripts/get_temp.sh", $out);
+var_dump($out);
+?>
diff --git a/toto b/toto
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/toto
@@ -0,0 +1 @@
+0