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 ...
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 ...