diff --git a/Makefile b/Makefile
index b9194a7..c129188 100644
--- a/Makefile
+++ b/Makefile
@@ -7,8 +7,16 @@ export:
 buildIdf:
 	idf.py build 
 
-flash:
+flash0:
+	sudo chmod o+rw /dev/ttyUSB0
 	idf.py flash -p /dev/ttyUSB0
 
-monitor:
-	idf.py monitor
+flash1:
+	sudo chmod o+rw /dev/ttyUSB1
+	idf.py flash -p /dev/ttyUSB1
+
+monitor0:
+	idf.py monitor -p /dev/ttyUSB0
+
+monitor1:
+	idf.py monitor -p /dev/ttyUSB1