Four NAND gates for breadboard

A project log for Educational TTL

This is an attempt to create some hardware that may help to learn digital electronics and will be cheap enough

SHAOSSHAOS 04/17/2016 at 22:290 Comments

This is 1st attempt - board that I created in September 2013, but didn't share it yet - now I do this:

On the front it has an image showing what is that:

and on the back it's 7400 chip in SOIC package with SMD 0.1uF capacitor on power lines: