Per OP:

> We are actually testing edibles right now! Early results don't look so good, but that could be because we were using our crappy LC-MS for detection instead of our sensor. We'll keep everyone updated with how it goes!

I don’t understand how this gadget works, but if it’s detecting residual THC in the lungs from smoke or vapor, I can’t see how this improves over blood testing as a proxy for impairment; I can see how LEO would nonetheless like to have it as it further empowers roadside judgements.