Using the 555 and 7400 this circuit was found in the September 1977 Radio Electronics magazine. The power supply must be made with a voltage of 5 V.
This divider by 8 is synchronized because it is implemented based on TTL or CMOS logic according to the...
This circuit is more sensitive than the previous one, in the sense that we can use weaker and more...
Suggested to power the previous circuit, this power supply was found in the December 1990 issue of...