Custom Switch Board and Software

(We make custom electronic circuits for all application scenarios)
  • RS232 or USB based Virtual COM Port plus TTL Interface
  • Real time high speed
  • Flexible ports configuration
  • User-friendly software
  • High reliability


Click 'Spec Sheet' for available configurations/part#


The SW-DR-3 optical switch evaluation kit is comprised of an evaluation board, software, a power supply, and a computer interface cable. The evaluation board integrates standard RS232 port or USB based virtual COM port plus TTL interfaces, allowing the user to easily create flexible and customized control logic configurations. It features real time control and supports Photonwares MEMSLatch™) 1X4 and 1×8 switches, 1×2/2×2 switches will be supported on next version. A user-friendly Windows™ application program is included for multi-purpose  switch testing and demonstration.

The standard driver controls one individual switch. Drivers that control multiple switches also are available, please call Sales at (781) 935-1200 for more information.

Alternate RS232 version:


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Parameters Min Normal Max Unit                       Notes
Independent Control Channels 1 8
Switching Peak Current 1.5 A 12V Supply voltage
Sustainable Switching Current 0.4 A Average switching current, continuous repetition,

12V Supply voltage

Output Pulse Width 8 15 ms Driving pulse duration, software adjustable
Power Supply Voltage 5.0 12.0 16.0* V
Power Supply Current

(No Switching)

50 mA Hot pluggable. <1.5A inrush current
RS232 -5.2V +5.2V V Pin 2 and 3 crossover cable
TTL Interface Compatible with Standard TTL Logic Level
Electrical Connector Type Male DB9 / USB B-type(VCP)
Board Dimension (L)60mm x (W)60mm x (H)15mm


*Over this value will damage the device