How to add NC switch to v2 entry sensor

I want to connect a loop of existing security sensors from my previous alarm system to my Wyze security system. This would be easy with the v1 entry sensor that uses a magnetic reed switch (just remove reed switch and connect NC loop to the two contacts) but I can’t figure out how to do this with the v2 switch. Has anyone managed to do this? I can’t find a good source for the v1 sensors and would in any case rather use the newer sensors.

Replying to my own question.

Would the leak detector be usable to monitor a normally closed loop? Seems like it could monitor a normally open loop, so you might need a relay of some sort to switch states?