how to use externel LED contorl of UV DLP projector SM7 by SICUBE

how to use externel LED contorl of UV DLP projector SM7 by SICUBE ?

Follow these steps:

1. Some users need external LED ON/OFF control function of SM7 UV projector, We just can provide this function by device.

2. Schematic drawing

3. Interface of externel control of SM7

4.Wire connector