An autonomous 4-wheel drive explorer robot based on Arduino UNO R4 WiFi, designed to navigate through paths and mazes.
GPS speed in km/h with one decimal, RGB gradient LED, sunrise/sunset auto brightness, flash history and Wi-Fi AP web dashboard.
Keeps the car dome light on after closing the door and fades it out in about 10 s. Two transistors, 2 wires, zero standby current.