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 ...

My favorite smart switches are getting a useful upgrade (one they should’ve already had!). A new Auto-Off Timer in the Lutron app lets you set the switches to turn off a set amount of time after ...

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 ...