diff --git a/README.md b/README.md
index 35a9aaf..64dbec6 100644
--- a/README.md
+++ b/README.md
@@ -10,9 +10,14 @@
 
 
 ## 🔎 Preparation
-1. `Use an SD card with a minimum capacity of 4 GB, formatted as FAT32 with a 32 KB allocation unit size.`
-2. `Then insert this SD card into your ESP32-CAM board.`
-2. `Connect your 'OV2640' camera to your ESP32-CAM board.`
+<details>
+<summary>1. Components</summary>
+'1' ESP32-CAM<br>
+'1' FT232RL USB to UART Converter<br>
+</details>
+2. `Use an SD card with a minimum capacity of 4 GB, formatted as FAT32 with a 32 KB allocation unit size.`
+3. `Then insert this SD card into your ESP32-CAM board.`
+4. `Connect your 'OV2640' camera to your ESP32-CAM board.`
 
 
 ## 📦 Setup