I have this idea on creating a Atmel-based board with PS/2 connector for testing of old keyboards.
So I'm looking for a way to assign 5V, ground or signal to each pin of the connector after board has been manufactured. All 3 lines do exist - also I have 6 digital pins to control all this - but I'm not sure what is the best solution here.
My original idea was to have logic gate and then set of NPN - but that sounds a bit too complicated.
Any feedback is greatly appreciated!