Complete Engine Monitoring for Boats
Complete System Build a complete engine-monitoring dashboard with 8 gauges: 4× Temperature (DS18B20) + 1× Tachometer (RPM) + 1× Oil Pressure + 1× Fuel Tank Level + 1× Engine Hours. All sensors feed a single ESP32 running ESPHome, visualised in Home Assistant. 4× Temp gauges 1× Tachometer 1× Oil pressure 1× Tank level 1× Engine […]
Digital Engine Tachometer with ESP32 and Optocoupler
🔗 Full Guide · Transcript Build a simple, accurate digital tachometer for your engine using an ESP32 “remote hub,” a ~$2 optocoupler, and ESPHome/Home Assistant. This guide covers wiring (alternator tacho → optocoupler → ESP32), ESPHome setup with a pulse counter, RPM calibration from real data points, optional engine-hours and engine-active entities, and a dashboard […]
Oil Pressure monitor with ESP32, INA219
🔗 Full Guide · Transcript Build a digital oil-pressure monitor using an ESP32 “remote hub,” an INA219 board over I²C, and Home Assistant/ESPHome. This guide follows every technically relevant step from the video: soldering the INA219, wiring to the ESP32, tapping the existing oil sender’s “Gauge” terminal, adding INA219 in ESPHome, calibrating volts→bar from two […]
NMEA 2000 to Home Assistant: ESP32 & USB-CAN
🔗 Full Guide · Transcript Turn your boat’s NMEA 2000 (CAN bus) into live dashboards, alerts and automations in Home Assistant. This guide covers two integrations you can add via HACS: 🚦 Smart2000 ESP — Wireless bridge using an ESP32 + CAN transceiver (place it near the N2K backbone, stream to your Raspberry Pi over […]
Oil Pressure Monitoring for Boats
In this article, we delve into setting up oil pressure monitoring for an engine using the versatile ESP32 microprocessor.
Engine Temperature Monitoring for Boats
In this article, discover how to set up a sophisticated engine temperature monitoring system using the ESP32 microprocessor and DS18B20 one-wire sensors, capable of withstanding extreme temperatures up to 125C and offering waterproof capabilities.