This circuit, to control air conditioning systems, was found in July 1984 Radio Electronics magazine. The circuit is for old types of the time that did not have microcontroller control.
This 2-terminal regulator was obtained from a 1990s National Semiconductor manual. The components admit...
This circuit is from the 1993 Motorola Linear Interface ICs. Equivalent operating may be used and...
We found this circuit in a 1980s Motorola documentation. The circuit makes use of common operating...