Russia exclusive version: Specially selected module accessories and configurations intended for customers in Russia, with priority support for local usage scenarios. Ideal for DIY electronics: Great for hobby projects, prototyping, learning microcontrollers. Multiple expansion options: Suitable for adding sensors, communication interfaces, displays, and other shield-type extensions to your system. Durable and reliable design: Stable connectors and high-quality PCB materials help ensure long-term performance and consistent data transmission. Application scenarios include IoT and smart home prototypes, educational training and lab experiments, DIY automation and remote monitoring, and microcontroller learning and development practice. Upgrade your development board with these dedicated extension module accessories. Perfect for DIY enthusiasts, makers, and developers who want to expand functionality for IoT, automation, and educational projects. Color: Black Material: PCB Package Contents: 1*Module development board 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.