https://circuitdigest.com/news/maker-builds-a-linked-portal-illusion-using-arduino-uno-r4-flywheel-launcher-and-tof-distance-sensorsCircuitDigesten2026-09-12T18:36:48+05:30Maker Builds a Linked Portal Illusion Using Arduino Uno R4, Flywheel Launcher, and ToF Distance Sensors