This microcomputer driver expansion board is a versatile device developed by me and assembled by my manufacturing partners. This innovative device serves as a reliable solution for controlling peristaltic pumps and solenoid valves. With compatibility across multiple microcomputers, it provides seamless integration into diverse projects. The board has multiple technologies integrated including I2C communication multiplexers, GPIO multiplexers, H-bridge motor drivers, and voltage regulators. Its design incorporates the ability to interface with various water level sensors and multiple RFID readers, offering enhanced functionality.