Programmable timing and frequency dividing circuit based on 555
Source: InternetPublisher:消失的歌 Updated: 2021/06/09
As shown in the figure, the circuit includes second signal generator, read/write signal control, encoding switch, counting/timer chip, output driver and other parts. Each level of the timer can be programmed to set at any time within the range of 0-65526 seconds (18.2 hours).
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