TechCrunch — All 88 companies from Y Combinator’s W19 Demo Day 2

PNOE: They’ve built a compact breath analysis device for fitness facilities, to provide athletes with information about their cardiac/metabolic health. It’s $6,000, and is meant to replace massive $60,000 alternatives. Revenue is growing 40% per month. After fitness facilities, they aim to bring the device into healthcare centers to help with heart disease, obesity. and breathing problems.