This circuit can be used to generate percussion sounds such as bell, triangle, etc. The circuit must be powered by symmetrical source and the triggering is by external pulse.
We have articles on the site with the name “lamp test” for this configuration found in a Popular...
In this circuit of a 1975 publication, a silicon transistor is used as a sensor. We can employ a...
This circuit is used as a magnetic field sensor and is based on a Texas Instruments HaII Effect...