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 circuit is ideal for recovering vinyl media with a linear response from the RIAA curve of the...
The purpose of this circuit found in the September 1977 issue of Radio Electronics magazine is to...
We found this circuit in the July 1990 issue of Radio Electronics magazine. The frequencies are...