This circuit was obtained from the November 1989 issue of Radio Electronics magazine. The circuit is for motors up to about 1.5 A.
This TTL circuit is from a Radio Electronics magazine from February 1973. The circuit must be...
Common operational amplifiers like the TL series, CA3140 and others can be used in this circuit...
This circuit uses only two common transistors and provides good audio power in a speaker. Readers who...