This sound effect circuit uses only one integrated. We found it in a 90's EDN. The effects can be modified by changing the components.
This 600 W reducer uses SCRs and a switching system. The circuit is from Motorola's 1975...
We found in an old documentation how to use a 555 as a monostable key. The circuit should not be...
This circuit can be implemented with more modern operational amplifiers like the 741 and its...