Garage Parking Sensor Light Bar

thingiverse

This is a C++ code snippet that appears to be controlling an LED strip using the FastLED library. The code is designed for an Arduino or ESP32/ESP8266 platform, judging by the presence of `delay()` function calls. Here's a breakdown of what the code does: **Variables and Constants** The code uses several variables and constants: * `leds`: an array to store the color values of each LED in the strip. * `distance`: likely measured using a distance sensor, such as ultrasonic or infrared. * `stopdistance`: a constant value representing the minimum distance required for the LEDs to turn off. * `increment`: a constant value that determines how quickly the LEDs will transition from one state to another. **Main Loop** The main loop consists of two conditional statements: 1. If `distance <= 13`, the code sets the color of each LED in the array `leds` to red (RGB: 0, 255, 0) and then calls `FastLED.show()` to display the updated colors on the LED strip. 2. If `distance >= stopdistance + increment * 14`, the code sets all LEDs in the array `leds` to red again and displays the updated colors. **Additional Code** There are two additional lines of code that call `delay(50)` after displaying the updated colors. This introduces a 50ms delay between each iteration of the main loop, which might be intended to control the animation speed or synchronization with external events. **Context** Given the presence of `distance` and `stopdistance` variables, it's likely that this code is part of a robot or automated system that uses distance sensors to detect its surroundings. The LEDs are probably used for visual feedback or communication. Overall, this code snippet appears to be a simple animation controller for an LED strip, with two possible states: red on/white off and all-red on.