The mouse port is usually located right next to the key-board port and is color coded green, to distinguish it from the keyboard connector.

USB Type A / Type B / Mini-B / Micro-B Connectors. A word of caution on using the Mouse and Keyboard libraries: if the Mouse or Keyboard library is constantly running, it will be difficult to program your board.Functions such as Mouse.move() and Keyboard.print() will move your cursor or send keystrokes to a connected computer and should only be called when you are ready to handle them. USB 3.0 9-Pin Type A Pinout & Specification. The pinout diagram is viewed when you look into the end of the usb cable, not the socket, so a little care must be taken so that you don't get the wires mirror imaged or reversed. USB pinout. A second connector type known as the Type B was often used for smaller peripherals. PC Mouse PinOut Computer Mouse Interface Bus; The Mouse port found on most Personal Computers uses a 6-pin mini DIN connector and has the pin out shown below. Type B USB connector pinout USB Type A & B pinouts / connections. Standard A and B type come with 4 pins while Mini and Micro-USB interface is incorporated with total five pins where four pins work similar to the standard USB connectors and the additional pin is nothing but a device indicator.Following figure shows the pinout of USB Type C connector. 6 pin mini-DIN male (PS/2 STYLE) connector to the PS/2 mouse cable I simply cut the mouses cable and soldered the mouse end to the hub where the socket was removed and the other end to the mini usb cable, with the cover removed. Released in 1996, the USB standard is currently maintained by the USB Implementers Forum (USB-IF). 4 pin USB A or USB B plug connector to the mouse. It has become the standard connection method for wide variety of devices. This had slightly different pinout arrangement. The basic USB pinouts for the connectors are given in the table below. USB A, B 2.0 and 3.0 Cable Pinout. A second connector type known as the Type B was often used for smaller peripherals. It works only with mouse which supports both interfaces (USB and PS/2). Sockets Universal Serial Bus (USB) are intended for connection to a computer of such external peripheral devices, as the mouse, the keyboard, a portable hard disk, the digital chamber, VoIP-phone (Skype) or the printer. keyboard, monitor and mouse pinout, USB pinout, Mini USB pinout, IE... http://www.nti1.com/technote.html#pc 3 of 4 12/6/2002 11:02 AM 9 GND 27 NC Description: USB wiring is simple but not that simple this is because on changing the frame of reference the pinout looks changed.Observe the above pinout the front end is different than that of back end and thus it requires to check the connectivity of both ends with a digital multimeter (above micro USB pinout made it simple for you).