diff --git a/.codespellrc b/.codespellrc
new file mode 100644
index 0000000..101edae
--- /dev/null
+++ b/.codespellrc
@@ -0,0 +1,7 @@
+# See: https://github.com/codespell-project/codespell#using-a-config-file
+[codespell]
+# In the event of a false positive, add the problematic word, in all lowercase, to a comma-separated list here:
+ignore-words-list = ,
+check-filenames =
+check-hidden =
+skip = ./.git
diff --git a/.github/workflows/spell-check.yml b/.github/workflows/spell-check.yml
new file mode 100644
index 0000000..01bee87
--- /dev/null
+++ b/.github/workflows/spell-check.yml
@@ -0,0 +1,22 @@
+name: Spell Check
+
+# See: https://docs.github.com/en/free-pro-team@latest/actions/reference/events-that-trigger-workflows
+on:
+  push:
+  pull_request:
+  schedule:
+    # Run every Tuesday at 8 AM UTC to catch new misspelling detections resulting from dictionary updates.
+    - cron: "0 8 * * TUE"
+  workflow_dispatch:
+  repository_dispatch:
+
+jobs:
+  spellcheck:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Spell check
+        uses: codespell-project/actions-codespell@master
diff --git a/README.md b/README.md
index 680ea24..a3ee1ff 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # NTPClient
 
 [![Compile Examples status](https://github.com/arduino-libraries/NTPClient/actions/workflows/compile-examples.yml/badge.svg)](https://github.com/arduino-libraries/NTPClient/actions/workflows/compile-examples.yml)
+[![Spell Check status](https://github.com/arduino-libraries/NTPClient/actions/workflows/spell-check.yml/badge.svg)](https://github.com/arduino-libraries/NTPClient/actions/workflows/spell-check.yml)
 
 Connect to a NTP server, here is how: