Available as an assembled Module and as a DIY project.
This Module is currently available.
V-Trig to S-Trig converter
Quite a few people who purchased the MS-Control mentioned that they only needed the trig converter, so here it is: a stand alone 2HP V-TRIG to S-TRIG converter.
V-TRIG or gate signals sent to the V-TRIG in are converted to S-TRIG format at the output and can be sent directly to any of the TRIG-INs or the S/H clock of the Behringer K2, Korg MS-20 or Behringer K2 MK2. The TRIG module design has been tested on all of these synths.
The tiny amount of power required to run the TRIG circuit is derived from the incoming signal, so the module does not require a power supply.