diff --git a/raspberry/bin/nodemecu b/raspberry/bin/nodemecu
index 429c146..623509a 100755
--- a/raspberry/bin/nodemecu
+++ b/raspberry/bin/nodemecu
@@ -7,7 +7,9 @@ fi
 # LECTURA FICHERO DE CONFIGURACION
 
 config=/etc/nodemecu.conf
+envs=/opt/nodemecu/envs
 source $config
+source $envs
 source $funciones
 
 [ -z $1 ] && exit 
diff --git a/raspberry/desinstalar b/raspberry/desinstalar
index 2a75417..f0425a7 100755
--- a/raspberry/desinstalar
+++ b/raspberry/desinstalar
@@ -1,6 +1,6 @@
 #!/bin/bash
 source /etc/nodemecu.conf
-
+source /opt/nodemecu/envs
 if [ $UID -ne 0 ]; then
 	echo "Ejecute 'sudo $0'"
 	exit
diff --git a/raspberry/funciones b/raspberry/funciones
index f59f357..22a0eea 100644
--- a/raspberry/funciones
+++ b/raspberry/funciones
@@ -8,11 +8,7 @@ get_stack () {
 	fi
 }
 
-
-
 # Generar una llave privada ECDSA si no existe
-# 
-# Uso: generate_private_key "comentario"
 generate_private_key () {
   test -f "$private_key" && return 1
 
@@ -33,7 +29,6 @@ sign_file () {
 }
 
 
-
 funcion_datos_simulados() {
 	
 	lecturas="id:dummy_plug-01 tp:temp vl:$(( $RANDOM % 20 + 15 )) un:C er:99 AD_SENSOR tp:hum vl:$(( $RANDOM % 50 + 35 )) un:percent er:99 AD_ARDUINO id:dummy_plug-02 tp:temp vl:$(( $RANDOM % 20 + 15 )) un:C er:99 AD_SENSOR tp:hum vl:$(( $RANDOM % 50 + 35 )) un:percent er:99 AD_ARDUINO id:dummy_plug-03 tp:temp vl:$(( $RANDOM % 20 + 15 )) un:C er:99 AD_SENSOR tp:hum vl:$(( $RANDOM % 50 + 35 )) un:percent er:99 AD_ARDUINO id:dummy_plug-04 tp:temp vl:$(( $RANDOM % 20 + 15 )) un:C er:99 AD_SENSOR tp:hum vl:$(( $RANDOM % 50 + 35 )) un:percent er:99 END"
diff --git a/raspberry/generador_json b/raspberry/generador_json
index 1d5cbaa..d2dc5cc 100755
--- a/raspberry/generador_json
+++ b/raspberry/generador_json
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 source /etc/nodemecu.conf
-source $env
+source /opt/nodemecu/envs 
 source $funciones 
 
 conteo=$(cat $contador)
diff --git a/raspberry/instalador b/raspberry/instalador
index 5e462ad..32ca55e 100755
--- a/raspberry/instalador
+++ b/raspberry/instalador
@@ -1,25 +1,18 @@
 #!/bin/bash
 #set -x
 
+if [ $UID -ne 0 ]; then
+	echo "Ejecute 'sudo $0'"
+	exit	
+fi
 
 basedir=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 
 configuracion=$basedir/nodemecu.conf.ejemplo
 envs=$basedir/envs
 
-
-cat $configuracion
-cat $envs
-exit
-
-
-
 source $configuracion
-
-if [ $UID -ne 0 ]; then
-	echo "Ejecute 'sudo $0'"
-	exit	
-fi
+source $envs
 
 if [ -d $directorio_instalacion ] ; then
 	echo "nodemecu ya se encuentra instalado"
@@ -27,15 +20,14 @@ if [ -d $directorio_instalacion ] ; then
 
 fi
 
-ficheros="bin env arduinos.py contador generador_json funciones monitor monitor_web registrador desinstalar"
-
+ficheros="bin envs arduinos.py contador generador_json funciones monitor monitor_web registrador desinstalar"
 
 # Dependencias
 
 echo "1. Instalando dependencias
 "
-apt update && apt install -y python3-pip jsonlint jq uuid 
-pip3 install pyserial
+#apt update && apt install -y python3-pip jsonlint jq uuid 
+#pip3 install pyserial
 
 echo ""
 
@@ -81,7 +73,7 @@ echo "
 
 sn=$(cat /proc/cpuinfo | grep Serial | cut -d ' ' -f 2)
 
-sed -i 's/numero_serie=/numero_serie/' $env 
+sed -i 's/numero_serie=/numero_serie='$sn'/' $directorio_instalacion/envs
 
 echo "Número de serie: $sn"
 
diff --git a/raspberry/registrador b/raspberry/registrador
index bf9655b..a3f1447 100755
--- a/raspberry/registrador
+++ b/raspberry/registrador
@@ -1,5 +1,7 @@
 #!/bin/bash
+set -x
 source /etc/nodemecu.conf
+source /opt/nodemecu/envs
 source $funciones 
 
 
@@ -38,18 +40,18 @@ while :;do
 	#fi
 
 	# firma de registros
-	sign_file $registros/$file
-	firma="$(cat $registros/$file.sign)"
 	
+	sign_file $registros/$file
+	exit
 
 	local_transaction_uuid=$(jq -r '."transaction_uuid"' $registros/$file)
-	remote_transaction=$(curl -s --connect-timeout 1,5 --show-error -w "~%{http_code}" -X POST -H "X-Signature: $firma" -H "Content-Type: application/json" -d @$registros/$file $servidor 2> $curl_err)
+	remote_transaction=$(curl -s --connect-timeout 1,5 --show-error -w "~%{http_code}" -X POST -H "X-Signature: $(sign_file $registros/$file.sig)" -H "Content-Type: application/json" -d @$registros/$file $servidor 2> $curl_err)
 	remote_response="$(echo $remote_transaction | cut -d '~' -f 1)"
 	server_error="$(echo $remote_transaction | cut -d '~' -f 2)"
 	if [ ${#remote_response} -eq 36 ];then
 
 		if [ $local_transaction_uuid == $remote_response ]; then
-			mv $registros/$file $registros/$file.sign $historicos
+			mv $registros/$file $registros/$file.sig $historicos
 			echo -e "$remote_response: \e[92mOK\e[0m"
 		fi
 	else