SECO-LARM CA-1616Q DC Plug-to-Plug Adapter

these beam sensors can be connected to a wide range of voltage AC or DC polarity is really not important you can connect two 9-volt batteries in series to create an easy 18 volt power source or a cordless tool battery could work too I use standard North American 120 volt power outlet the relay switch has two positions normally open and normally closed I connect the white and black wires to the USB interface and I do not use the gray wires I recently found these AV adapters with screw terminals that work great with the X keys USB switch the common 5 volt signal from the USB switch can trigger any channel but it cannot be used to power the beam sensor programming the custom triggers is easy with the controller mate software I use a simple one letter ID plus a carriage return to move the cursor to the next cell as fast as possible I also added a one-second dwell function to filter out mult