Lider Electric's in-wall countdown timers come in attractive color options to match any space. This timer switch has a user-friendly design that increases accessibility. Choose from 6 different preset ...

When you want to make your lights smarter without changing the bulbs, you’re likely looking at upgrading to a smart light switch. One of the more vital functions of a smart switch is its ability to ...

A digital switch is useful when you need to automate electrical appliances like your AC, geyser, water pump, irrigation pump, sauna, charging for solar inverter, and the like. It helps you handle ...

In this circuit the 555 timer is used in a novel way, as a voltage controlled switch.The old and omnipresent NE555 can be very good at something it was not meant for: driving relays or other loads up ...

Most switch-mode power supplies rely on a PWM (pulse-width-modulated) output that is controlled via voltage feedback. A 555-timer IC can inexpensively perform PWM. The circuit in Figure 1 shows how to ...