Sealevel's SeaDAC and SeaDAC Lite USB digital I/O modules connect to any computer's USB port and offer choices including optically isolated inputs, Reed and Form C relays, and TTL interface to industry standard solid-state relay racks. Robust software drivers make implementation and troubleshooting easy. SeaDAC modules are housed in a rugged, attractive plastic enclosure and include a highly-retentive USB Type B connector to prevent accidental disconnection.
