Sequent Microsystems specializes in expanding the capabilities of Raspberry Pi through a variety of robust and versatile I/O cards. Their product range includes stackable HATs for industrial, home, and building automation, featuring analog and digital inputs, relays, MOSFET outputs, and more. With built-in hardware watchdogs and easy-to-use pluggable terminal blocks, Sequent products ensure reliability and ease of integration in mission-critical applications.