We found this multiple thermostat circuit in July 1980 Radio Electronics magazine. It uses opto-triacs for power control and operates on a 117 VAC mains.
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...