Binary Adder and Subtractor - Conversion

by electronics_hub in Circuits > Electronics

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Binary Adder and Subtractor - Conversion

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Add a comment if you would like a wiring diagram.

Supplies

wires

breadboards (3)

cathode 7 segment displays (13)

1kohm resistors

220ohm resistors

4 pin dip switches (2)

5 volt power supply

1 pin dip switch (1)

74283 (1)

7486 (1)

CD4511 (3)

74HC00 (3)

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Start with dip switches, adder IC, and 7 segment display. Use 220 ohm resistors with 7 segment display and 1kohm resistors with dip switches.

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Begin wiring the chips in the middle breadboard and the 7 segment displays on the bottom breadboard before they are connected. All resistors being used here are 1kohm.

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Add wires (black) to 3 chips in center. All resistors here are 220ohm.

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Wire 7 segment displays (red wire). All resistors here are 220ohm.

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Wire switch (blue wire) and use a 1k resistor for this. Add four diodes to the dip switch (not shown). Connect pin 3 to pin 1 with the first diode and connect pin 3 to pin 2 with the second diode. Do this for both dip switches. It is not shown on the drawing.