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.
Radio Electronics magazine published in a 90's issue this simple alarm that can use any general...
This simple circuit tests electrolytic capacitors from 1 uF with a working voltage above 12 V. The...
This circuit was found in a 1967 Raytheon optoelectronics manual. The circuit uses tubes. | Clique...