RS232 DB9 female interface for reliable serial connections with legacy equipment and development boards DC input 7V24V provides flexible power options across different environments Development platforms: ESPIDF and VS Code supported for streamlined firmware development Wireless connectivity: supports WiFi and Bluetooth 5 (LE) for wireless data transfer and device control Flash memory: 8 MB available for firmware and data storage Function and compatibility: combines legacy serial interface with modern wireless connectivity to enable bridging and remote access Performance: 8 MB flash supports sizeable firmware and data storage, enabling robust applications Use scenarios Industrial gateway: connect RS232 sensors or controllers to a WiFi network using ESPIDF based firmware, enabling remote monitoring and control via VS Code development workflow Remote device debugging and monitoring: attach RS232 serial consoles to a device, power from 7V24V, and use WiFi or Bluetooth 5 LE to transmit logs and status data IoT data bridge and prototyping: convert wired serial data to wireless streams for cloud or edge processing, with a straightforward development setup in ESPIDF or VS Code