User can create and manipulate technology that is powered by psionic power, whether in part or entirely. Using this technology, they can gain psionic powers, they can augment or focus psionic energy, or they can even utilize psionics that they previously couldn't use without said technology.
Siyu/Warhead (DC Comics) had been modified with bionic implants to enable him manipulation over machinery and mind.
Cerebro (Marvel Comics/X-Men)
Marvin Flumm/Mentallo (Marvel Comics) compensates for his limited powers by using the Psycho-Helmet to enhance his telepathic abilities.
Psychic Mindtechs (Pathfinder) are innately tied to and communicating through electronic machinery and other technological objects, through which they can flow their psychic powers.
November "Nova" Terra of the Ghosts (Starcraft) in her hostile environment suit.
Most if not all Eldar (Warhammer 40k) wargear is made from Wraithbone, a psychic material that responds to psychic links with the users which enables a variety of advantages including better adapting to incoming threats and channeling their psionic prowess to lethal effect.
The Grey Knights (Warhammer 40,000) utilize psionic weaponry of a wide variety in their battles against the daemons of the Warp.