The timer circuit with display function

Published:2011/6/10 1:55:00 Author:qqtang | Keyword: timer circuit, display function | From:SeekIC

The features of the timer are: (1) wide timing period. The starting up time and keeping time range from several seconds to 2h, both of which are continuous and adjustable; (2) starting up and keeping time are marked with two colors, and either of them is indicated with 10 LED, so the rest time in clear; (3) the timer can work once, or work repeatedly; (4) when the timer is not working, it can be used as an outlet; (5) the timer is equipped with general gate circuits, triggers, counters and so on, which is suitable for teaching practices of universities and colleges.



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