Adjustable roller shades

An adjustable roller shade, comprising:

• a roller shade fabric winding shaft, wherein the roller shade fabric winding shaft comprises a first end and a second end, and a roller shade fabric wound on the roller shade fabric winding shaft forms an upper edge of the adjustable roller shade;
• a weight bar attached to a bottom of the roller shade fabric forming a lower edge of the adjustable roller shade;
• a first movable pulley fixedly attached to the first end of the roller shade fabric winding shaft, and a second movable pulley fixedly attached to the second end of the roller shade fabric winding shaft;
• a first upward lifting rope, a first downward pulling rope, a second upward lifting rope and a second downward pulling rope;
• a first winder, a second winder, a third winder, a fourth winder, a first driving motor, a second driving motor, a third driving motor, and a fourth driving motor, wherein each of the first winder, the second winder, the third winder, and the fourth winder are independently driven by the first driving motor, the second driving motor, the third driving motor, and the fourth driving motor, respectively;
• and
• a controller, wherein the controller controls rotations of the four driving motors, independently, and the rotations of the four driving motors cause rotations of the four winders to operate the upper edge and the lower edge of the adjustable roller shade, independently, wherein the controller receives a plurality of control commands from a control device, and the control device comprises:
• a control switch, and a remote control, wherein the remote control comprises:
• a first up button configured to raise the upper edge of the adjustable roller shade, a first down button configured to lower the upper edge of the adjustable roller shade, a second up button configured to raise the lower edge of the adjustable roller shade;
• a second down button configured to lower the lower edge of the adjustable roller shade, an OPEN button configured to open the adjustable roller shade completely, and a CLOSE button configured to close the adjustable roller shade completely.