achimpieters/esp32-led-strip

# ESP32-led-strip Multi-protocol LED strip controller for ESP32, supporting both RGB and RGBW LED types across RMT and SPI interfaces. ## Supported LED Strip Types - WS2812 / WS2812B (RMT) - SK6812 (RGB or RGBW, RMT) - APA104 (RMT) - APA102 / SK9822 (SPI) - LPD8806 / WS2801 (SPI) ## What It Does This component abstracts away low-level LED driving using the ESP32's RMT or SPI peripherals. Based on your selection in `menuconfig`, it automatically chooses the right backend and handles LED updates. ## Configuration via menuconfig Run: ```bash idf.py menuconfig ``` Then go to: ``` ESP32 LED Strip Configuration ---> ``` Options include: - Strip type (choice: WS2812, SK6812, APA102, etc.) - GPIO pin (RMT or SPI MOSI) - SPI Clock pin (if SPI selected) - Number of LEDs ## Example Usage ```c #include <stdio.h> #include "esp32_led_strip.h" #include "freertos/FreeRTOS.h" #include "freertos/task.h" void app_main(void) { if (!led_strip_init()) { printf("LED strip init failed!\n"); return; } while (1) { for (int i = 0; i < CONFIG_LED_STRIP_LENGTH; i++) { led_strip_clear(); led_strip_set_pixel(i, 255, 0, 0, 0); // Red led_strip_show(); vTaskDelay(pdMS_TO_TICKS(50)); } } } ``` ## Building and Flashing ```bash idf.py build idf.py flash idf.py monitor ``` ## Notes - Uses RMT or SPI depending on strip type - Supports RGB and RGBW color formats - Designed to be modular, lightweight and ESP-IDF native - Compatible with all ESP32-family chips (ESP32, C2, C3, C5, C6, S2, S3) - No dynamic allocation or external dependencies --- **StudioPieters®** — Innovation and Learning Labs https://www.studiopieters.nl | GitHub: https://github.com/AchimPieters

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License: MIT

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