In this installment of Circuit VR, we’ll look at a simple buck converter — that is a switching regulator that takes a higher voltage and produces a lower voltage.

Circuit Cubes provide a fun and affordable way to teach kids about electricity while bringing their toys to life.

This is a very simple touch light switch circuit that uses the 4011 IC, one transistor and a relay. The C1 capacitor stores the switching state at a certain time and is charged or discharged according ...

This design shows how a piezoelectric transducer's acoustic output can be increased while minimizing the parts count and cost.