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The following is a Bank circuit that I ' m using as part of a virtual vending machine in Logisim Evolution. Here's how it works:
The following is a "Bank" circuit that Im using as part of a virtual vending machine in Logisim Evolution. Here's how it works:
A person can insert a nickel In a dime In and a quarter In into the "bank". There's an enabler Ena that turns the Priority Encoder on and a reset Rst button that resets the D FlipFlop back to If you insert a nickel In the Priority Encoder sends a signal to the multiplexer, which then sends a number out to the adder, in which the adder is then fed into the D FlipFlop The D FlipFlop is activated everytime a coin is inserted The FlipFlop adds a nickel to its contents which is output as the accumulated amount OutAcc and finally fed back into the adder, so if you add another nickel, the adder has cents instead of just
Unfortunatley, there is an issue with the circuit that Im dealing with. I need the coin input to stop once cents is reached but it is not working. Now, customers can continue depositing coins into the machine even after reaching cents. How do I correct this issue?
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