We mass product executive boards (the ones that connect to electic locks) for the luggage office controller presented before. This is a new batch of boards soldered, well-tested and ready to ship to customer. 

luggage exec boards

e64091

 

20150307 2

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

 

AC to DC converter mass production

 

PID Controller - mass production