You create a 20-foot cube of disruptive carrier waves centered on a point within range that cause devices to behave against their programming. Any device not currently controlled by a creature is automatically affected. If a device is being controlled by a creature, the creature must make a Wisdom saving throw to prevent the device from glitching.
 At the start of each of your turns, for the spell’s duration, roll a d4 for every affected device to determine that device’s behavior. This behavior lasts until the start of your next turn while the spell is in effect, unless otherwise stated.  

d4	Result
1	The device shuts down and must be powered up.
2	The device controls malfunction, preventing further use.
3	The device suffers the non-functional condition.
4	The device experiences a power surge, arcing electricity at a random creature within 5 feet. The creature makes a Dexterity saving throw, taking 6d6 lightning damage on a failed save, or half as much damage on a successful one.