Binary Adder and Subtractor - Conversion
by electronics_hub in Circuits > Electronics
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Binary Adder and Subtractor - Conversion




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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)

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

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.

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

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

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.