Traditional relay drivers involve multiple discrete components to drive the relay and protect against damage to the microcontroller or other devices that can be caused by the voltage spike generated ...
I tested a $15 smart switch and found a coffee maker wasting $1,500 a year in electricity ...
PWM relays allow engineers to go beyond simple "on-off" control to realize significant power savings and reduced heat ...
What’s one to do with some nice little relays of questionable pinout, and prototyping board? How about a quietly clicky 4-bit ...