The Elecrow CrowPanel ESP32 2.13” E-paper HMI Display is a compact, low-power human-machine interface (HMI) solution designed for embedded applications. It features a 2.13-inch black-and-white e-paper display with a resolution of 122×250 pixels, offering excellent readability under various lighting conditions. Driven by the ESP32-S3 microcontroller, it supports multiple development environments, including Arduino IDE, ESP-IDF, and MicroPython, facilitating easy integration into projects. The display communicates via a 3-/4-wire SPI interface, ensuring fast data transmission. Equipped with 8MB flash and 8MB PSRAM, the CrowPanel provides ample memory for complex applications. Its ultra-low power consumption is ideal for battery-operated devices, and the partial refresh capability helps conserve energy. The module includes various interfaces such as UART0, GPIO, and a battery connector, enhancing its versatility. The white acrylic case offers durability and protection, making it suitable for a wide range of applications, including electronic labels, e-book readers, and smart home devices.