Multiplex interface electronic circuit board

The utility model belongs to the technical field of PCB design, and specifically relates to a multiplexing interface electronic circuit board. The electronic circuit board comprises a circuit board body; the circuit board body is provided with a plurality of groups of multiplexing interfaces. Wherein the first group of multiplexing interfaces comprises a plurality of power supply bonding pads; thesecond group of multiplexing interfaces comprises a plurality of signal input bonding pads; and the third group of multiplexing interfaces comprises a plurality of signal output bonding pads and a common end. Electronic circuit board, the circuit board body is provided with a plurality of multiplexing interfaces, and different multiplexing interfaces are combined, matched and connected, so that the circuit board body constructs a relay output board or an isolated logic level output board or a transistor output board or an analog quantity current output board or an analog quantity voltage output board, and multiple ou