diff --git a/examples/content/arduino/sub-home.md b/examples/content/arduino/sub-home.md
new file mode 100644
index 0000000..7235994
--- /dev/null
+++ b/examples/content/arduino/sub-home.md
@@ -0,0 +1,8 @@
+# Velxio Simulator 
+[Velxio](https://velxio.dev/) adalah Arduino Simulator untuk mencoba program arduino beserta deployer nya. Jadi kalian bisa upload program menggunakan webapp.
+
+----Available_Lessons----
+- [Velxio Simulasi arduino LED Blink](lesson/led_blink_arduino.md)
+- [Velxio Simulasi Hello Serial](lesson/hello_serial_arduino.md)
+- [Velxio Simulasi Button Input](lesson/button_input_arduino.md)
+- [Velxio Simulasi Traffic Light](lesson/traffic_light_arduino.md)
diff --git a/examples/content/dasar/sub-home.md b/examples/content/dasar/sub-home.md
new file mode 100644
index 0000000..c56be2d
--- /dev/null
+++ b/examples/content/dasar/sub-home.md
@@ -0,0 +1,13 @@
+# Contoh Penggunakan fitur Elemes
+
+Materi fundamental untuk memulai belajar pemrograman C.
+
+----Available_Lessons----
+1. [Hello, World!](lesson/hello_world.md)
+2. [Variabel](lesson/variabel.md)
+3. [Uji Coba Flowchart](lesson/flowchart_test.md)
+4. [Uji Coba Kuis](lesson/quiz_test.md)
+5. [Uji Coba LaTeX](lesson/latex_test.md)
+6. [Uji Coba Slide](lesson/test_slides.md)
+
+
diff --git a/examples/content/home.md b/examples/content/home.md
index b2ef449..870495c 100644
--- a/examples/content/home.md
+++ b/examples/content/home.md
@@ -9,36 +9,21 @@ Semua materi bisa dikerjakan langsung di browser!
 2. __Code Editor__ : Tulis dan jalankan program C langsung di browser
 3. __Validasi Otomatis__ : Sistem mengecek jawaban kamu secara otomatis
 4. __Tracking Progress__ : Guru bisa memantau perkembangan siswa (opsional)
-
-## Topik yang Akan Dipelajari
-
-### Dasar-Dasar
-1. [Hello, World!](lesson/hello_world.md)
-2. [Variabel](lesson/variabel.md)
-3. [Uji Coba Flowchart](lesson/flowchart_test.md)
-4. [Uji Coba Kuis](lesson/quiz_test.md)
-5. [Uji Coba LaTeX](lesson/latex_test.md)
-6. [Uji Coba Slide](lesson/test_slides.md)
-
-### Elektronika & Sirkuit (Hybrid)
-7. [Rangkaian Dasar](lesson/rangkaian_dasar.md)
-
-### Arduino & Robotika (Velxio)
-8. [LED Blink](lesson/led_blink_arduino.md)
-9. [Hello Serial](lesson/hello_serial_arduino.md)
-10. [Button Input](lesson/button_input_arduino.md)
-11. [Traffic Light](lesson/traffic_light_arduino.md)
+5. [Sub Bab](bab/dasar) : Mempermudah menggolongkan konten dengan sub bab 
+6. [CircuitJS](lesson/rangkaian_dasar.md) : Simulasi rangkaian elektronik dari [falstad.org](https://www.falstad.com/circuit/circuitjs.html)
+7. [Velxio](bab/arduino) : Arduino Simulator untuk mencoba program arduino beserta deployer nya. Jadi kalian bisa upload program menggunakan webapp.
+8. [Playground](/playground) : Dapat mencoba semua fitur pembelajaran
 
 ----Available_Lessons----
 
-1. [Hello, World!](lesson/hello_world.md)
-2. [Variabel](lesson/variabel.md)
-3. [Uji Coba Flowchart](lesson/flowchart_test.md)
-4. [Uji Coba Kuis](lesson/quiz_test.md)
-5. [Uji Coba LaTeX](lesson/latex_test.md)
-6. [Uji Coba Slide](lesson/test_slides.md)
-7. [Rangkaian Dasar](lesson/rangkaian_dasar.md)
-8. [LED Blink](lesson/led_blink_arduino.md)
-9. [Hello Serial](lesson/hello_serial_arduino.md)
-10. [Button Input](lesson/button_input_arduino.md)
-11. [Traffic Light](lesson/traffic_light_arduino.md)
+[Hello, World!](lesson/hello_world.md)
+[Variabel](lesson/variabel.md)
+[Uji Coba Flowchart](lesson/flowchart_test.md)
+[Uji Coba Kuis](lesson/quiz_test.md)
+[Uji Coba LaTeX](lesson/latex_test.md)
+[Uji Coba Slide](lesson/test_slides.md)
+[Rangkaian Dasar](lesson/rangkaian_dasar.md)
+[LED Blink](lesson/led_blink_arduino.md)
+[Hello Serial](lesson/hello_serial_arduino.md)
+[Button Input](lesson/button_input_arduino.md)
+[Traffic Light](lesson/traffic_light_arduino.md)