diff --git a/.travis.yml b/.travis.yml
index 1071bd9..46e21d6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,7 +32,8 @@ script:
     # short the string comparison
     - stringContain() { [ -z "${2##*$1*}" ]; }
     # selectable board tests @Rotzbua
-    - board="arduino_avr";  if stringContain "$board" "$TESTBOARD"; then echo "check board $board"; platformio ci --lib=. --board=uno --board=megaatmega1280; else echo "skip board test of $board"; fi
-    - board="arduino_arm";  if stringContain "$board" "$TESTBOARD"; then echo "check board $board"; platformio ci --lib=. --board=due --board=zero; else echo "skip board test of $board"; fi
-    - board="teensy";  if stringContain "$board" "$TESTBOARD"; then echo "check board $board"; platformio ci --lib=. --board=teensy31; else echo "skip board test of $board"; fi
-    - board="esp";  if stringContain "$board" "$TESTBOARD"; then echo "check board $board"; platformio ci --lib=. --board=d1_mini; else echo "skip board test of $board"; fi
+    # prints only warnings and errors, to show all remove "1>/dev/null"
+    - board="arduino_avr";  if stringContain "$board" "$TESTBOARD"; then echo "check board $board"; platformio ci --lib=. --board=uno --board=megaatmega1280 1>/dev/null; else echo "skip board test of $board"; fi
+    - board="arduino_arm";  if stringContain "$board" "$TESTBOARD"; then echo "check board $board"; platformio ci --lib=. --board=due --board=zero 1>/dev/null; else echo "skip board test of $board"; fi
+    - board="teensy";  if stringContain "$board" "$TESTBOARD"; then echo "check board $board"; platformio ci --lib=. --board=teensy20 --board=teensy31 1>/dev/null; else echo "skip board test of $board"; fi
+    - board="esp";  if stringContain "$board" "$TESTBOARD"; then echo "check board $board"; platformio ci --lib=. --board=d1_mini 1>/dev/null; else echo "skip board test of $board"; fi