diff --git a/snipplets/code/Arduino/variables_sizes.ino b/snipplets/code/Arduino/variables_sizes.ino
index ccf82e4..7bc66e1 100644
--- a/snipplets/code/Arduino/variables_sizes.ino
+++ b/snipplets/code/Arduino/variables_sizes.ino
@@ -15,6 +15,7 @@ void setup() {
   double example_double;
   char example_char;
   char * example_string;
+  bool example_bool;
 
   size_variable = sizeof(example_int);
   Serial.print("int bytes size:            " );
@@ -47,6 +48,10 @@ void setup() {
   size_variable = sizeof(example_string);
   Serial.print("char * bytes size:         " );
   Serial.println(size_variable);
+
+  size_variable = sizeof(example_bool);
+  Serial.print("bool bytes size:           " );
+  Serial.println(size_variable);
 }
 
 void loop() {
@@ -64,4 +69,5 @@ void loop() {
  * double bytes size:         4
  * char bytes size:           1
  * char * bytes size:         2
+ * bool bytes size:           1
  */