Modular development board and modular development board system

The utility model discloses a modularized development board and a modularized development board system, the development board is in the shape of a hexagon with opposite sides parallel to each other, at least one of the six sides is provided with an interface, and the interface can be connected with another development board in the shape of a hexagon with opposite sides parallel to each other in a splicing and inserting mode. The development boards are designed to be hexagonal, and the interfaces are formed in the development boards, so that the development boards can be spliced and disconnected with one another, and a user can flexibly and freely combine the development board modules, combine the required development board modules and splice and insert out devices required for project making; and the development board can be disassembled and recombined when other projects are carried out, so that the reusability of the development board is improved, the difficulty and the cost of combining the development boa