How I made a half adder
(continued from post How to make a half adder)
This is how to make a half adder using only NAND gates.
When I made a half adder, I didn't have an XOR gate or an AND gate.
So, I used NAND gates.
This is the schematic for it:
When I made a half adder, I didn't have an XOR gate or an AND gate.
So, I used NAND gates.
This is the schematic for it:
This is a video of the working half adder (with buttons as inputs A and B):
![](http://www.weebly.com/weebly/images/file_icons/mov.png)
img_0661.mov |
I learned how to do this online.