They are designed to operate at 24V ... You need a power source, a way to level convert the driver pins, and some protection in case something goes wrong with the circuit. Looking at the board ...

And when you work with one, you have to know that any part of the circuit can be at mains voltage. Now read on to see why! A transformerless power supply (TPS) is basically just a voltage divider ...

Bicker Elektronik's Cincon LFM550S AC/DC power supply series offers 550 W of power in an ultra-slim 1-inch low-profile design.

A power supply for electronic devices. Also called an "AC adapter" or "charger," power adapters plug into a wall outlet and convert AC to a single DC voltage. Computers use multiple DC voltages ...