Converts 12-30VAC to 24VDC with external feedback loop. Output voltage can be above or below input voltage, so the device uses two-stage converter Output can be set by trimmer or DIP switches. Has very dense components placing due to tight size requirements

Luggage Office Controller that allows user to leave luggage and then pay bills for storage time.

Small device that measures 2 digital temperature probes and 2 analog air humidity probes. Can send data using RS485 to central control station or data logger.