On/Off (UA)

Source: Unearthed Arcana 7 - Modern Magic, DND 5e Wiki

Transmutation cantrip (technomagic)

Casting Time: 1 action

Range: 60 feet

Components: V, S

Duration: Instantaneous

This cantrip allows you to activate or deactivate any electronic device within range, as long as the device has a clearly defined on or off function that can be easily accessed from the outside of the device. Any device that requires a software-based shutdown sequence to activate or deactivate cannot be affected by On/Off.

Spell Lists: Sorcerer, Warlock, Wizard