**YF-B1-S** as a different pulse-per-liter value than **YF-B1** (1077). Please find information [here](https://french.alibaba.com/product-detail/SEA-SENSOR-YF-B1-S-Long-62349585615.html). I'll make a pull request to add it.
YF-B1-S as a different pulse-per-liter value than YF-B1 (1077). Please find information here.
I'll make a pull request to add it.