This Arduino lights dimmer project is based on Doug Hitchcock’s comment: “I need to have a lamp dimmer that can “cascade” from one lamp to the next (up to 4 lamps). Basically, when you close a switch, ...

In addition to driving 16 LEDs in parallel, the CAT9532 16-bit LED driver with dimmer and blinker control functions can also be used as a general purpose I/O expander. A drop-in replacement for the ...

There’s no shortage of debate about the “Internet of Things”, largely centered on security and questions about how much anyone really needs to be able to turn on their porch light from the other side ...

If you’re planning home electrical upgrades in 2026, you’ve likely noticed that LED dimmers and timers are no longer a one-size-fits-all category. Recent reports highlight a growing compatibility ...

They’re consistently popular with the readers, which is admittedly part of my (and EDN’s) motivation to continue doing them. But I personally also find them fascinating; inevitably I come across at ...