ADS1115 with ESPHome: Gain, Differential Inputs and Calibration
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.
ESP32 IR Blaster Troubleshooting: Range and AC Commands
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 Utility Meters
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.
SHT30 vs SHT31 vs SHT35: Which Should You Buy?
ESP32 GPIO Expanders: MCP23017 vs PCF8574 vs PCF8575
SGP40 vs SGP41: VOC, NOx & Which Sensor to Buy
Best ESP32 Temperature & Humidity Sensor: SHT45 vs BME280 vs AHT20
SHT40 vs SHT41 vs SHT45: Which Sensor Is Best?
For most ESP32 and Home Assistant projects, the SHT40 remains the best-value choice. The SHT41 is essentially a tighter-tolerance SHT40: both have the same typical ±1.8% RH and ±0.2°C accuracy, but the SHT41 guarantees substantially better worst-case humidity accuracy across…
BME280 vs BME680 vs BME688: VOC, IAQ & Which to Buy
