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74hc 74hct 74ls series jameco electronics

Circuit Skills: Power Supply Jameco P/N: 20626. Watch Collin Cunningham as he assembles the Adjustable Regulated Power Supply kit and learn a few ...

KeypadVid.avi Here is a keypad lock I made that has no software, and is done mostly in 74HC logic.

Jameco Electronics

Jameco Warehouse Tour 2013 For over 40 years,