diff --git a/ci/build-arduino.sh b/ci/build-arduino.sh
index fdb9457..603e190 100644
--- a/ci/build-arduino.sh
+++ b/ci/build-arduino.sh
@@ -51,5 +51,7 @@ arduino-cli lib install NimBLE-Arduino
 
 # Compile all *.ino files for the Arduino Uno
 for f in **/*.ino ; do
-     arduino-cli compile -b esp32:esp32:esp32 $f
+     echo "P^roject $f"
+     arduino-cli compile -b esp32:esp32:esp32 $f 
+     arduino-cli complile --clean
 done