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This is a small device designed to receive and transmit PS2 commands. The ATmega168 can receive PS2 commands from a mouse or keyboard and pass them out to a terminal or computer. Power is obtained from the computer or terminal over PS2. This device was originally designed to count the number of keystrokes in our Key Counter tutorial. A good, simple development board for the ATmega168 and the PS2 protocol.
``` Key presses today: 000439324
You will need a miniDIN6 male to male cable to connect this device to a computer or terminal. We've successfully used the miniDIN8 Roomba cable listed below. Happy counting... :)
Documents:
CAD $22.16
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