Fix ESPHome sensors missing from the Home Assistant Energy dashboard: device_class, state_class, W vs kWh, total_increasing resets, statistics errors, integration sensors and broken history.
Use ADS1115 with ESPHome correctly: gain ranges, single-ended vs differential inputs, safe voltages, sample rate, CT clamps, voltage dividers and two-point calibration examples.
Fix ESP32 IR blaster range, missed commands and air-conditioner control problems. Covers LED drivers, carrier frequency, raw captures, ESPHome climate IR, AC state frames and practical diagnostics.
ESPHome pulse_meter vs pulse_counter for electricity, water and gas meters: low-flow accuracy, debounce, pulse totals, conversion formulas, ESP32 PCNT limits and working YAML examples.
Build an ESP32 W5500 Ethernet Bluetooth Proxy for Home Assistant with ESPHome. Includes W5500 SPI wiring, YAML, active connections, PoE options, placement and troubleshooting.