doc: Add more docs

README.md

@@ -2,10 +2,27 @@
 
 Simple **smart curtains** controller based on **Arduino Uno R3** with [OpenJumper](https://www.openjumper.com/)'s module.
 
-![](doc/img/demo.jpg)
+![](.doc/img/demo.jpg)
 
 ![OpenJumper](https://www.openjumper.com/assets/img/logo-red.png)
 
+## Features
+
+- Knob to control the curtains position (0-100%)
+- Button to execute the command
+- LCD to indicate the status of the curtains
+
+## Components
+
+- 1 x Arduino Uno R3
+- 1 x OpenJumper Motherboard
+- 1 x Stepper Motor
+- 1 x Stepper Motor Driver
+- 1 x OpenJumper Button
+- 1 x OpenJumper Knob
+- 1 x OpenJumper LCD (1602A/PCF8574)
+- 1 x 3D-Printed Baseboard (optional) [3D Print](.res/baseboard.STL)
+
 ## Open Source Licence
 
 The source code of this project adopts the [GNU General Public License v3.0](https://opensource.org/licenses/GPL-3.0).