Supporting apparatus

A supporting apparatus for supporting electronic devices of various sizes, wherein the electronic devices comprise a first side and a second side, the supporting apparatus comprising:

• a main body comprising:
• a main supporting device comprising:
• a first positioning slot;
• a first positioning pin, situated in the first positioning slot, for contacting the first side;
• at least one first positioning hole connected to the first positioning slot;
• the first positioning pin can be placed in one first positioning hole among the at least one first positioning holes to match the size of the electronic devices;
• a first guiding slot;
• and
• a first moving pin situated in the first guiding slot for contacting the second side to allow the electronic devices to be fixed between the first positioning pin and the first moving pin;
• and
• a lower supporting device situated beneath the main supporting device for bearing the electronic devices;
• and
• a supporting base for supporting the main body.