During summer, fire departments across India report a sharp rise in household fires, largely caused by avoidable issues like electrical overloads, outdated wiring, and improper appliance use. The ...

Have you ever needed to power a 12-volt relay in a circuit but only had 6 or 9 volts available? This simple circuit will solve that problem. It allows 12-volt relays to be operated from 6 or 9 volts, ...