Update powerwall.sh

powerwall.sh

@@ -47,10 +47,10 @@ CHECKTEMP_SERVICE(){
 			echo $mqtt_message | cut -d'T' -f 3 | cut -d"\"" -f 1 | read temp_t
 			datetime="${temp_d} ${temp_t}"
 			echo "HERE1: '${datetime}'";
-			datetime=$(TZ=America/Chicago date -d "datetime" +%s)
-			echo "HERE2: '$dateime'";
+			datetime=$(TZ=America/Chicago date -d "${datetime}" +%s)
+			echo "HERE2: '${datetime}'";
 			datetime=`date -d @${datetime} +'%Y-%m-%d %H:%M:%S'`
-			echo "HERE3: '$dateime'";
+			echo "HERE3: '${datetime}'";
 			
 			if [ "$temp_c" != "null" ] && [ "$temp_c" != "" ]; then
 				temp_f=`echo "scale=2; $temp_c*1.8 + 32" | bc`