diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index ac012fc..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,41 +0,0 @@
-language: python
-python:
-    - "3.8"
-
-# Cache PlatformIO packages using Travis CI container-based infrastructure
-sudo: false
-cache:
-    directories:
-        - "~/.platformio"
-
-env:
-    # add examples here and define which boards should be tested (only compile test)
-    - PLATFORMIO_CI_SRC=examples/ChangeUID/ChangeUID.ino TESTBOARD=arduino_avr,arduino_arm,esp
-    - PLATFORMIO_CI_SRC=examples/DumpInfo/DumpInfo.ino TESTBOARD=arduino_avr,arduino_arm,esp
-    - PLATFORMIO_CI_SRC=examples/firmware_check/firmware_check.ino TESTBOARD=arduino_avr,arduino_arm,esp
-    - PLATFORMIO_CI_SRC=examples/FixBrickedUID/FixBrickedUID.ino TESTBOARD=arduino_avr,arduino_arm,esp
-    - PLATFORMIO_CI_SRC=examples/MifareClassicValueBlock/MifareClassicValueBlock.ino TESTBOARD=arduino_avr,arduino_arm,esp
-    - PLATFORMIO_CI_SRC=examples/MinimalInterrupt/MinimalInterrupt.ino TESTBOARD=arduino_avr,arduino_arm,esp
-    - PLATFORMIO_CI_SRC=examples/ReadAndWrite/ReadAndWrite.ino TESTBOARD=arduino_avr,arduino_arm,esp
-    - PLATFORMIO_CI_SRC=examples/ReadUidMultiReader/ReadUidMultiReader.ino TESTBOARD=arduino_avr,arduino_arm,esp
-    - PLATFORMIO_CI_SRC=examples/rfid_default_keys/rfid_default_keys.ino TESTBOARD=arduino_avr,arduino_arm,esp
-    - PLATFORMIO_CI_SRC=examples/rfid_write_personal_data/rfid_write_personal_data.ino TESTBOARD=arduino_avr,arduino_arm,esp
-    - PLATFORMIO_CI_SRC=examples/Ntag216_AUTH/Ntag216_AUTH.ino TESTBOARD=arduino_avr,arduino_arm,esp
-    - PLATFORMIO_CI_SRC=examples/ReadNUID/ReadNUID.ino TESTBOARD=arduino_avr,arduino_arm,esp
-    - PLATFORMIO_CI_SRC=examples/AccessControl/AccessControl.ino TESTBOARD=arduino_avr
-    - PLATFORMIO_CI_SRC=examples/RFID-Cloner/RFID-Cloner.ino TESTBOARD=arduino_avr,arduino_arm,esp
-    - PLATFORMIO_CI_SRC=examples/rfid_read_personal_data/rfid_read_personal_data.ino TESTBOARD=arduino_avr,arduino_arm,esp
-
-install:
-    - pip install -U platformio
-    - platformio settings set enable_telemetry no # disable spy
-
-script:
-    # short the string comparison
-    - stringContain() { [ -z "${2##*$1*}" ]; }
-    # selectable board tests @Rotzbua
-    # prints only warnings and errors, to show all remove "1>/dev/null"
-    - board="arduino_avr";  if stringContain "$board" "$TESTBOARD"; then echo "check board $board"; ouput=$(platformio ci --lib=. --board=uno --board=megaatmega1280) || exit $?; echo "--<Result>--"; echo "$ouput" | grep --no-messages --ignore-case -E "^(PLATFORM|HARDWARE|RAM|Flash|Device|Data|Program|text|[0-9])"; else echo "skip board test of $board"; fi
-    - board="arduino_arm";  if stringContain "$board" "$TESTBOARD"; then echo "check board $board"; ouput=$(platformio ci --lib=. --board=due --board=zero) || exit $?; echo "--<Result>--"; echo "$ouput" | grep --no-messages --ignore-case -E "^(PLATFORM|HARDWARE|RAM|Flash|Device|Data|Program|text|[0-9])"; else echo "skip board test of $board"; fi
-    - board="esp";  if stringContain "$board" "$TESTBOARD"; then echo "check board $board"; ouput=$(platformio ci --lib=. --board=d1_mini) || exit $?; echo "--<Result>--"; echo "$ouput" | grep --no-messages --ignore-case -E "^(PLATFORM|HARDWARE|RAM|Flash|Device|Data|Program|text|[0-9])"; else echo "skip board test of $board"; fi
-