Essay About Different Type Of Circuit And Open Door Locks

Lab For Elt 102
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In todays
expirement we learned how to make a digital combinational logic cirucit
designed to open door locks using specific digital codes. The lock we made was able to be
opened using two different codes. When the right codes were entered into the switch bank
the LED(Light-emitting diode) would light up symbolizing that if it was a real lock that it
would be unlocked from the combination that was just put into the switch board. The
circuit we created was made up of two different type of circuits a four input AND circuit
and a two input OR circuit. Once the AND circuit was satisfied it activates the OR
circuit so that now the signal goes to the LED which will light up if all connections were
done correctly .
The upper AND circuit was able to light the LED on its own but we needed to
created a digital combinational logic circuit that was capable of having tow different
codes to open the lock( light the LED). To achieve this we added a lower AND circuit
Because this to would carry its own combination code and fulfill the requirements in this
lab. The inverters were all in different positions in this experiment which allowed for
different codes to be needed to open the lock( light the LED). Without the inverters the