This is a design example of a 2 W non-isolated power supply employing LinkSwitch™-TN LNK305P designed for motor control applications. This power supply operates in an input voltage range from 85 VAC ...
Garage door openers are simple enough when it's just a button, but if you want something more high tech, Instructables user MegunoLink shows off how to build a garage door opener you can control with ...