Gadgetry (noun)

1. A collection of gadgets; a range of small mechanical or electronic devices.
2. The design, development, and production of gadgets; the technology associated with gadgets.

Origin:

Early 20th century: from gadget + -ery.

Examples:

1. The store was filled with the latest in high-tech gadgetry.
2. The new car had a lot of gadgetry, including a touch screen display and lane departure warning.
3. The company is known for its innovative gadgetry.
4. The kitchen was equipped with all the latest gadgetry.
5. He was fascinated with the gadgetry on the spaceship.