Triac switch (CB21714E)

This 3-position switch with triac was found in country documentation with a 240 V network. Valid for other power grids.

Astable with MOSFET (CB13829E)
This circuit is from an old RCA MOSFET manual from the 70s. The circuit can be implemented with...
Sound Activated Relay (CB6318E)
This vox was found in Hughes documentation from 1968. The circuit uses components from the era. A...
5-level indicator (CB9816E)
Found in a 90s documentation, this circuit appears in other configurations on this site. The...