The phasor is the ray weapon that we see in many science-fiction films. The characteristic sound can be imitated with this circuit found in Radio Electronics of the years 90.
The idea of this circuit from a 1960 publication is simple: we can switch the transistor being...
Using a small speaker as a microphone, this 10-LED circuit was found in the March 1992 issue of...
We found this circuit in a 1977 documentation. The National Semiconductor's LM380 is no longer...