Found in a 90s PE Hobbyst Handbook, this circuit mimics the sound of a space gun. The components are common, and changes can be made to modify the sounds.
April 2017 - Littelfuse's new two-way discrete TVS diodes for protection against ESD up to 30 kV...
Found in an English documentation from 1989, this circuit is intended for equalization of cassette...
We can also use the 4011 on this CMOS circuit that makes use of a crystal headset. The power...