The Electronics kit is a furniture item in New Horizons. It can be purchased from Nook's Cranny, purchasable for 1,300 . It comes with two variations, and it cannot be customized.
Retro TV (Wild World) - Animal Crossing Wiki - Nookipedia
electronics kit - ACNH Furniture - Animal Crossing New Horizons
Kitt - Animal Crossing: New Leaf for 3DS Guide - IGN
Lovely Series - Animal Crossing Wiki - Nookipedia
Ks0397 keyestudio EASY plug Super Starter Kit for Arduino STEM EDU
Could Nintendo Go Another Year Without A Switch Successor
Intercom monitor, Animal Crossing Wiki
Animal Crossing: New Horizons - Wikipedia
Animal Crossing: New Horizons, Animal Crossing Wiki