This 4 1/2 digit digital voltmeter circuit was published in the April 1993 Electronics Now magazine. The circuit uses the integrated component of the time and has 5 voltage ranges.
This light-sensing probe was found in a 90s Popular Electronics. The circuit detects light sources by...
The basis of this circuit is the 723 integrated circuit, not very common today. We obtained this...
We now give an application other than 4013 that can also be used as monostable. In a common...