Sensors & Components – Page 2

ESPHome, Home Assistant Integration, Sensors & Components

MAX31865 with ESP32 and ESPHome: PT100/PT1000 Temperature Monitoring

Connect MAX31865 and PT100/PT1000 RTD probes to ESP32 and ESPHome: SPI wiring, 2/3/4-wire settings, 430/4300-ohm reference resistors, calibration, faults and Home Assistant.

panakos
23 September 2026

ESPHome, Home Assistant Integration, Sensors & Components

SPS30 with ESP32 and ESPHome: PM1, PM2.5, PM10 and Home Assistant

Connect the Sensirion SPS30 to ESP32 and ESPHome: safe 5 V/I²C wiring, PM1/PM2.5/PM10 mass and particle counts, fan cleaning, idle mode, Home Assistant and troubleshooting.

panakos
23 September 2026

ESPHome, Home Assistant Integration, Sensors & Components

SEN55 with ESP32 and ESPHome: PM2.5, VOC, NOx and Home Assistant

Connect Sensirion SEN55 to ESP32 and ESPHome for PM1, PM2.5, PM4, PM10, VOC Index, NOx Index, temperature and humidity. Includes wiring, YAML, fan cleaning and Home Assistant.

panakos
23 September 2026

ESPHome, Home Assistant Integration, Sensors & Components

MH-Z19B with ESP32 and ESPHome: UART CO₂ Monitoring and Calibration

Connect an MH-Z19B CO2 sensor to ESP32 and ESPHome via 9600-baud UART. Covers safe 5 V wiring, warm-up, automatic baseline calibration, manual zero calibration, Home Assistant ventilation and troubleshooting.

panakos
23 September 2026

ESPHome, Home Assistant Integration, Sensors & Components

SCD40 vs SCD41 with ESP32 and ESPHome: Real CO₂ Monitoring for Home Assistant

Connect Sensirion SCD40 or SCD41 to ESP32 and ESPHome for real CO₂ monitoring in Home Assistant. Compare accuracy, wiring, low-power modes, self-calibration, offsets and ventilation alerts.

panakos
23 September 2026

ESPHome, Home Assistant Integration, Sensors & Components

BME680 with ESPHome: Gas Resistance, IAQ and Reliable Indoor-Air Monitoring

BME680 ESPHome guide: ESP32 wiring, raw gas resistance versus BSEC2 IAQ, calibrated readings, Home Assistant dashboards, temperature offsets, limitations and fixes.

panakos
23 September 2026

ESPHome, Home Assistant Integration, Sensors & Components

TCA9548A I2C Multiplexer with ESP32: Multiple Sensors at the Same Address

Connect eight I2C channels to an ESP32 with TCA9548A. Full ESPHome YAML for identical-address AHT20 sensors, Arduino channel scanning, 0x70–0x77 addresses, pull-ups, reset and troubleshooting.

panakos
23 September 2026

ESPHome, Home Assistant Integration, Sensors & Components

AHT20 with ESP32 and ESPHome: Wiring, Calibration and Home Assistant

Connect an AHT20 temperature and humidity sensor to ESP32 and ESPHome. Covers 0x38 wiring, AHT20 variant setup, calibration offsets, filtering, self-heating, placement, condensation and Home Assistant.

panakos
22 September 2026

ESPHome, Home Assistant Integration, Sensors & Components

Capacitive Soil Moisture Sensor with ESP32, ESPHome and Home Assistant

Use a capacitive soil moisture sensor with ESP32, ESPHome and Home Assistant. Covers wiring, ADC setup, dry/wet calibration, filtering, power switching, corrosion, placement and smart irrigation automation.

panakos
22 September 2026

Environment & Weather, ESPHome, Sensors & Components

BMP280 vs BME280: Pressure, Humidity and ESP32 Support Compared

BMP280 vs BME280 compared for pressure, humidity, temperature, I2C/SPI, accuracy, power and ESP32/ESPHome support. Learn how to identify mislabeled modules and which Bosch sensor to choose.

panakos
22 September 2026