Programmable electronic building block

The utility model relates to the technical field of electronic building blocks, in particular to a programmable electronic building block. The extension socket comprises a panel, a connecting plate, an extension socket and a programmable main board, the connecting plate is fixed on the panel and is electrically connected with the panel; the extension socket is electrically connected with the connecting plate; the programmable main board is electrically connected with the extension socket; a programmable intelligent module is arranged on the programmable main board; wherein the programmable intelligent module comprises a microprocessor, a USB (Universal Serial Bus) communication circuit and a FLASH memory, the USB communication circuit and the FLASH memory are electrically connected with the microprocessor, the programmable mainboard is also provided with a USB port, and the USB port is electrically connected with the USB communication circuit. The utility model provides a programmableelectronic building block