♬This double high testing board features two interfaces to dramatically enhances testing efficiency for , GPIO continuity, and flashing read/write operations, solving traditional single port delays. ♬Compatibility for module via standardized pin interfaces, jumper protections for , LED indicators, and integrated USB power supply. ♬Ideal for production line operators and electronics testing engineers, this board streamlines workflows in manufacturing environments. ♬Perfect for mass production testing scenario where simultaneous connection to boards and PC is required, ensuring stable and efficient batch evaluations. ♬The USB powered design simplifies testing bench setups by reducing on external adapters, enhancing overall reliability and ease of use.