diff --git a/CPP/CRTP/example/Makefile b/CPP/CRTP/example/Makefile
new file mode 100644
index 0000000..38e5ad5
--- /dev/null
+++ b/CPP/CRTP/example/Makefile
@@ -0,0 +1,24 @@
+cpp_src = $(wildcard *.cpp) 
+cpp_src += $(wildcard ./utils/*.cpp)
+cpp_src += $(wildcard ./driver/*.cpp)
+
+cpp_obj = $(cpp_src:.cpp=.o)
+c_obj = $(c_src:.c=.o)
+CC = g++ 
+CFLAGS = -Wall -pedantic -li2c 
+LDFLAGS = 
+EXEC = runtest
+
+
+all : $(EXEC)
+
+$(EXEC): $(cpp_obj) $(c_obj)
+	$(CC) -o $@ $^ $(LDFLAGS) 
+ 
+clean: 
+	rm -rf $(c_obj) $(cpp_obj) $(EXEC)
+	clear
+
+cleanall: 
+	rm -rf $(c_obj) $(cpp_obj) $(EXEC)
+	clear
diff --git a/CPP/CRTP/example/main.cpp b/CPP/CRTP/example/main.cpp
new file mode 100644
index 0000000..3039948
--- /dev/null
+++ b/CPP/CRTP/example/main.cpp
@@ -0,0 +1,14 @@
+#include <iostream>
+
+
+struct  Shape
+{
+    
+};
+
+
+int main(void)
+{
+    std::cout << "CRTP example" <<std::endl;
+    return 0;
+}
\ No newline at end of file
diff --git a/CPP/CRTP/example/runtest b/CPP/CRTP/example/runtest
new file mode 100755
index 0000000..f728227
Binary files /dev/null and b/CPP/CRTP/example/runtest differ
diff --git a/CPP/CRTP/infos.txt b/CPP/CRTP/infos.txt
new file mode 100644
index 0000000..cf15738
--- /dev/null
+++ b/CPP/CRTP/infos.txt
@@ -0,0 +1,5 @@
+Curiously recurring template pattern (CRTP)
+
+https://en.wikipedia.org/wiki/Curiously_recurring_template_pattern
+
+https://www.youtube.com/watch?v=7-nHdQjSRe0&t=480s
diff --git a/scribbles_and_notes/pin_interface_CRTP_style/PIN_modeling.cpp b/scribbles_and_notes/pin_interface_CRTP_style/PIN_modeling.cpp
new file mode 100644
index 0000000..84c524a
--- /dev/null
+++ b/scribbles_and_notes/pin_interface_CRTP_style/PIN_modeling.cpp
@@ -0,0 +1,28 @@
+#include <memory>
+
+struct Pin
+{
+    virtual void set(bool logic);
+
+    virtual void toggle();
+
+    virtual bool get(void);
+};
+
+// https://www.modernescpp.com/index.php/c-is-still-lazy
+
+// curiously recurring template pattern
+template <typename T>
+struct PinCRTP : public Pin
+{
+    virtual override set(bool logic)
+    {
+        static_cast<>
+    }
+};
+
+
+int main(void)
+{
+    return 0;
+}
\ No newline at end of file