This circuit was found in the January 1980 issue of Radio Electronics magazine. It is a digital slot machine using common logic circuits. It can still be easily assembled today.
This low power metronome produces pulses in a small loudspeaker. Pule rate is adjusted by P1 and...
The Texas Instruments TPS7A92 integrated circuit consists of a low-voltage (LDO) linear voltage...
In the figure we show the typical configuration of a shared line using a twisted pair where the...