added firmware

01-firmware/README.md

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+klipper: https://github.com/Flsun3d/klipper_fs
+
+mainsail: https://github.com/Flsun3d/mainsail_fs
+
+moonraker: https://github.com/Flsun3d/moonraker_fs
+
+# Flash Speeder Pad Imager
+
+**1.Note**: Flashing the imager will reset all configurations and lose all data on your pad, so this operation is only used to restore the original settings of the Speeder Pad
+
+**2.Tool**：
+
+  a)A TF card of at least 32 GB is required.
+
+  b)A TF card reader.
+
+  c)A PC，system is Windows、MacOS or Ubuntu for x86.
+
+**3.Step**：
+
+  a)Download this restoration imager：
+
+  b)Download and install Raspberry Pi imager here：https://www.raspberrypi.com/software/
+
+  c)Insert the TF card into the PC and double-click to open the imager：
+  ![image](https://github.com/Flsun3d/Flsun_Speed_Pad/blob/main/image/1.png)
+  
+  d)Select your TF card as Storage.
+  
+  e)Then click Write.
+  
+  f)Once the imager is written, turn off Speeder Pad if it is on and remove all devices plugged into the USB ports.
+  
+  g)Insert TF card in Speeder Pad.
+  ![image](https://github.com/Flsun3d/Flsun_Speed_Pad/blob/main/image/2.png)
+  
+  h)Turn on it，A loading bar should appear:
+  ![image](https://github.com/Flsun3d/Flsun_Speed_Pad/blob/main/image/3.png)
+  
+  i)And wait until the bar is fully charged and green, this may take several minutes (10/15 minutes)：
+  ![image](https://github.com/Flsun3d/Flsun_Speed_Pad/blob/main/image/4.png)
+  
+  j)When it's done, turn off Speeder Pad and remove the TF card.
+  
+  k)Turn Speeder Pad back on, it should start normally and arrive on KlipperScreen Splash Screen.
+  
+## SSH Connection 
+```
+  user: pi
+  password: flsun
+ 

01-firmware/SSH Connection.txt

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+user: pi
+password: flsun