diff --git a/platformio.ini b/platformio.ini
index 3345957..f847974 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -13,8 +13,8 @@ platform = espressif32
 board = wemos_d1_mini32
 framework = arduino
 board_build.partitions = huge_app.csv
-upload_port = /dev/ttyUSB0
-monitor_port = /dev/ttyUSB0
+upload_port = /dev/ttyUSB4
+monitor_port = /dev/ttyUSB4
 monitor_speed = 115200
 monitor_filters = time
 lib_deps =
@@ -23,8 +23,10 @@ lib_deps =
 
 [env:debug]     ; Entwicklungssystem
 build_flags = ${env.build_flags}
-    -DTRANSPONDER=\"fa:e7:8e:f8:fd:42\"     ; MAC des Transponders
-    -DKDB=-85                               ; Mindest Signalstärke
+    -DTRANSPONDER=\"fa:e7:8e:f8:fd:42\"     ; Holy-IOT
+    ;-DTRANSPONDER=\"51:00:24:08:00:16\"     ; Weißer Transonder
+    ;-DTRANSPONDER=\"96:33:bb:bf:ff:ab\"     ; ETB585
+    -DKDB=-95                               ; Mindest Signalstärke
     -DORT=\"HJK\"
     -DDEBUG=0
     -DNOADS=0