Monthly Archive: July 2017

G-switch timer – Vern Knowles

The timer is built using four small inexpensive CMOS integrated circuits. This allows it to run on just 3V from two small AAA batteries. U1 is a 74HC688 8-bit equality comparator. It compares the...

et-1

ET – Technology Interface Journal

Technology Interface ia an on-line journal for the Engineering Technology profession serving education and industry. ET the Technology Interface – Wayback The Technology Interface has been developed to provide professionals in the Engineering Technology...