Here is the essential Oil Pressure template YAML snippet to add to your ESPhome Engine Monitor YAML configuration. For a step-by-step guide, watch the comprehensive tutorial available at the following link: Video
- platform: template name: "Oil Pressure" lambda: |- float voltage = id(oil_sender_voltage).state; if (voltage <= 0.720) return 0.0; return (voltage - 0.720) * 0.812; update_interval: 5s unit_of_measurement: "Bar"