Advanced IoT Device: The D1 MINI ESP8266 development board is a compact yet powerful tool designed for IoT applications. It features the ESP-07/ESP-07S module, known for its reliable wireless connectivity and robust performance. Seamless Integration: Equipped with a serial port, this board ensures easy integration with other hardware components, making it ideal for both beginners and professionals in the field of electronic development. Wireless Capabilities: Enjoy the freedom of wireless connectivity that allows you to connect, control, and monitor your devices remotely without the hassle of extensive wiring. Due to different batches, there may be differences in product appearance and printed text, which will not affect use. Specifications:A:MINI D1 ESP-07/B:MINI D1/C:MINI D1 ESP-07S Colour:Purple Material:PCB Package Contents: 1 * Development Board kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.