diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..f9408bc
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,91 @@
+# LLVM 12
+---
+BasedOnStyle: LLVM
+AccessModifierOffset: -4
+AlignAfterOpenBracket: AlwaysBreak
+AlignConsecutiveAssignments: None
+AlignConsecutiveBitFields: None
+AlignConsecutiveDeclarations: None
+AlignConsecutiveMacros: AcrossComments
+AlignEscapedNewlines: Right
+AlignOperands: Align
+AlignTrailingComments: false
+AllowAllArgumentsOnNextLine: false
+AllowAllConstructorInitializersOnNextLine: false
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortBlocksOnASingleLine: Always
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortEnumsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: Inline
+AllowShortIfStatementsOnASingleLine: Never
+AllowShortLambdasOnASingleLine: All
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: false
+AlwaysBreakTemplateDeclarations: Yes
+AttributeMacros: []
+BinPackArguments: false
+BinPackParameters: false
+BitFieldColonSpacing: After
+BreakBeforeBraces: Allman
+BreakBeforeBinaryOperators: None
+BreakBeforeConceptDeclarations: true
+BreakBeforeTernaryOperators: false
+BreakConstructorInitializers: BeforeColon
+BreakInheritanceList: BeforeColon
+BreakStringLiterals: true
+ColumnLimit: 120
+CompactNamespaces: false
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+ConstructorInitializerIndentWidth: 4
+ContinuationIndentWidth: 4
+Cpp11BracedListStyle: true
+DeriveLineEnding: false
+UseCRLF: false
+DerivePointerAlignment: false
+EmptyLineBeforeAccessModifier: LogicalBlock
+FixNamespaceComments: false
+ForEachMacros: []
+IncludeBlocks: Preserve
+IndentCaseBlocks: false
+IndentCaseLabels: true
+IndentExternBlock: NoIndent
+IndentGotoLabels: true
+IndentPPDirectives: None
+IndentWidth: 4
+IndentWrappedFunctionNames: true
+KeepEmptyLinesAtTheStartOfBlocks: false
+Language: Cpp
+MaxEmptyLinesToKeep: 2
+NamespaceIndentation: All
+PointerAlignment: Left
+ReflowComments: true
+SortIncludes: false
+SortUsingDeclarations: false
+SpaceAfterCStyleCast: false
+SpaceAfterLogicalNot: false
+SpaceAfterTemplateKeyword: false
+SpaceAroundPointerQualifiers: Default
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeCaseColon: false
+SpaceBeforeCpp11BracedList: false
+SpaceBeforeCtorInitializerColon: true
+SpaceBeforeInheritanceColon: true
+SpaceBeforeParens: ControlStatements
+SpaceBeforeRangeBasedForLoopColon: true
+SpaceBeforeSquareBrackets: false
+SpaceInEmptyBlock: false
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 2
+SpacesInAngles: Never
+SpacesInCStyleCastParentheses: false
+SpacesInConditionalStatement: false
+SpacesInContainerLiterals: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard: c++14
+StatementAttributeLikeMacros: [emit]
+StatementMacros: [Q_UNUSED, Q_OBJECT]
+TabWidth: 4
+UseCRLF: false
+UseTab: Never
diff --git a/firmware/firmware.ino b/firmware/firmware.ino
index 0f495b4..1ee8dab 100644
--- a/firmware/firmware.ino
+++ b/firmware/firmware.ino
@@ -23,16 +23,17 @@
 */
 
 // the setup function runs once when you press reset or power the board
-void setup() {
-  // initialize digital pin LED_BUILTIN as an output.
-  pinMode(LED_BUILTIN, OUTPUT);
+void setup()
+{
+    // initialize digital pin LED_BUILTIN as an output.
+    pinMode(LED_BUILTIN, OUTPUT);
 }
 
 // the loop function runs over and over again forever
-void loop() {
-  digitalWrite(LED_BUILTIN, HIGH);   // turn the LED on (HIGH is the voltage level)
-  delay(1000);                       // wait for a second
-  digitalWrite(LED_BUILTIN, LOW);    // turn the LED off by making the voltage LOW
-  delay(1000);                       // wait for a second
+void loop()
+{
+    digitalWrite(LED_BUILTIN, HIGH);  // turn the LED on (HIGH is the voltage level)
+    delay(1000);  // wait for a second
+    digitalWrite(LED_BUILTIN, LOW);  // turn the LED off by making the voltage LOW
+    delay(1000);  // wait for a second
 }
-
diff --git a/library/cppcount/cppcount/src/characters.cpp b/library/cppcount/cppcount/src/characters.cpp
index 49c3814..5418027 100644
--- a/library/cppcount/cppcount/src/characters.cpp
+++ b/library/cppcount/cppcount/src/characters.cpp
@@ -19,7 +19,7 @@ unordered_map<char, size_t> countCharactersIgnoreCase(const string& str)
 {
     unordered_map<char, size_t> counts;
 
-    for (auto& pair: countCharacters(str))
+    for (auto& pair : countCharacters(str))
     {
         counts[toupper(pair.first)] += pair.second;
     }
diff --git a/library/cppcount/cppcount/tests/src/charactersTests.cpp b/library/cppcount/cppcount/tests/src/charactersTests.cpp
index d666a93..57facb7 100644
--- a/library/cppcount/cppcount/tests/src/charactersTests.cpp
+++ b/library/cppcount/cppcount/tests/src/charactersTests.cpp
@@ -8,14 +8,7 @@ TEST(charactersTests, countCharacters)
 {
     unordered_map<char, size_t> counts = countCharacters("Bonjour Bob");
     unordered_map<char, size_t> expected_counts(
-            {{'B', 2},
-             {'o', 3},
-             {'n', 1},
-             {'j', 1},
-             {'u', 1},
-             {'r', 1},
-             {' ', 1},
-             {'b', 1}});
+        {{'B', 2}, {'o', 3}, {'n', 1}, {'j', 1}, {'u', 1}, {'r', 1}, {' ', 1}, {'b', 1}});
 
     EXPECT_TRUE(counts == expected_counts);
 }
@@ -23,14 +16,7 @@ TEST(charactersTests, countCharacters)
 TEST(charactersTests, countCharactersIgnoreCase)
 {
     unordered_map<char, size_t> counts = countCharactersIgnoreCase("BonjOur BOb");
-    unordered_map<char, size_t> expected_counts(
-            {{'B', 3},
-             {'O', 3},
-             {'N', 1},
-             {'J', 1},
-             {'U', 1},
-             {'R', 1},
-             {' ', 1}});
+    unordered_map<char, size_t> expected_counts({{'B', 3}, {'O', 3}, {'N', 1}, {'J', 1}, {'U', 1}, {'R', 1}, {' ', 1}});
 
     EXPECT_TRUE(counts == expected_counts);
 }