ESPHOME MODBUSTCP_WIFI gateway

esphome: name: modbus_tcp_with_interval platform: ESP32 board: esp32dev includes: - modbus_tcp_component.h

wifi: ssid: "your_wifi_ssid" password: "your_wifi_password"

logger: level: DEBUG # Enable debug-level logs to see raw data in the ESPHome logs

Web Server for Monitoring

web_server: port: 80

Modbus Sensors Configuration

sensor:

• platform: custom lambda: |- auto host = "192.168.1.50"; auto port = 502;

  // Add sensors with custom update intervals auto mg_l = new ModbusTCPSensor(host, port, 4, "AB_CD", 15000); // 15s interval App.register_component(mg_l); mg_l->set_name("Dissolved Oxygen (mg/L)");

  auto o2_percent = new ModbusTCPSensor(host, port, 7, "AB_CD", 20000); // 20s interval App.register_component(o2_percent); o2_percent->set_name("Oxygen (%)");

  auto temp_o2 = new ModbusTCPSensor(host, port, 10, "AB_CD", 10000); // 10s interval App.register_component(temp_o2); temp_o2->set_name("Oxygen Temperature (°C)");

  auto co2 = new ModbusTCPSensor(host, port, 13, "CD_AB", 30000); // 30s interval App.register_component(co2); co2->set_name("CO2");

  auto co2_percent = new ModbusTCPSensor(host, port, 16, "CD_AB", 25000); // 25s interval App.register_component(co2_percent); co2_percent->set_name("CO2 (%)");

  auto temp = new ModbusTCPSensor(host, port, 19, "CD_AB", 12000); // 12s interval App.register_component(temp); temp->set_name("Temperature (°C)");

  auto redox = new ModbusTCPSensor(host, port, 23, "CD_AB", 18000); // 18s interval App.register_component(redox); redox->set_name("Redox Potential");

  auto ph = new ModbusTCPSensor(host, port, 33, "CD_AB", 20000); // 20s interval App.register_component(ph); ph->set_name("pH");

  return {mg_l, o2_percent, temp_o2, co2, co2_percent, temp, redox, ph}; sensors:

  • name: "Dissolved Oxygen (mg/L)"
  • name: "Oxygen (%)"
  • name: "Oxygen Temperature (°C)"
  • name: "CO2"
  • name: "CO2 (%)"
  • name: "Temperature (°C)"
  • name: "Redox Potential"
  • name: "pH"