Smart Home & IoT
Hardware Matrix

The Aqara Door and Window Sensor P2 is natively supported in Home Assistant via Matter over Thread with zero bridge required when an OpenThread Border Router is present. State changes are reported over the local Thread mesh rather than through a cloud service.

The Philips Hue Outdoor Motion Sensor pairs directly with Home Assistant over Zigbee 3.0 through ZHA or Zigbee2MQTT, with no Philips Hue Bridge required. It needs a Zigbee coordinator and its integration configured first, after which it exposes motion, illuminance, temperature and battery entities locally.

The SONOFF ZBMINI R2 Smart Switch Relay is natively supported on Samsung SmartThings using official Zigbee Edge Drivers. It enables local in-wall switch control behind existing light switches.

The Ring Video Doorbell Pro 2 works with Amazon Alexa for live video streaming and automatic Echo Show chime announcements, once the Ring account is linked. That link is a cloud authorisation step, and the video path runs through Ring's service rather than your own network.

The Tuya 16A Smart Energy Plug requires a bridge (Zigbee2MQTT with Homebridge or Home Assistant HomeKit integration) to pair with Apple Home. Once bridged Siri controls on/off state and energy monitoring.

The Google Nest Learning Thermostat 3rd Gen is natively supported in Google Home with deep cloud integration and voice control via Google Assistant. It automates HVAC heating/cooling cycles based on occupancy.

The eufyCam 2C requires the eufy HomeBase 2 and custom HACS integration to stream into Home Assistant. Video streams can be pulled locally via RTSP once initial authentication token is synced.

The Shelly Plus 1PM is natively supported in Home Assistant with instant zero-cloud auto-discovery via local RPC WebSocket protocol. It provides sub-40ms relay switching and power metering.

The Aqara FP2 uses mmWave radar technology for precise presence detection in Home Assistant via the local API without cloud reliance.

The Kasa EP25 provides native HomeKit support allowing local control of devices and power monitoring in the Home app.

A low-cost Zigbee sensor providing environmental telemetry data to Home Assistant.

High-performance Zigbee switch with advanced scene control and energy monitoring.

Physical button pusher for non-smart appliances; integrates via BLE local connection.

Secure smart lock with Matter support; integrates directly with Apple Home.

Customizable smart wall controller; ideal for ESPHome integrations for deep Home Assistant control.

High-quality video doorbell with local RTSP and ONVIF support for Home Assistant.

Reliable Z-Wave thermostat for direct integration with Home Assistant Z-Wave JS.

The ultimate local controller for Security+ 2.0 garage doors.

The ESP32-S3 paired with the ST7789 1.54 inch 240x240 IPS TFT display provides high-fps color dashboards in Home Assistant using native ESPHome display components.

The ESP32-C3 SuperMini paired with Bosch BME680 provides accurate indoor air quality pressure and ambient humidity readings directly to Home Assistant.

The Raspberry Pi Pico W connected to the HLK-LD2410 24GHz radar module delivers precise micro-motion and still human presence tracking to Home Assistant.

Compact 0.96 inch monochrome OLED connected via I2C for showing live sensor telemetry IP addresses and status icons.

Ultra-low-power e-Paper display system showing Home Assistant sensor metrics with multi-week battery life between charges.

High-precision environmental monitoring pairing using Pico W and Bosch BME280 sensor over MicroPython MQTT API.

The Arduino Nano paired with MPU6050 provides 6-axis motion tracking vibration monitoring and inclination sensing via I2C.

Laser ToF distance sensor for precise tank level monitoring garage vehicle position detection or presence proximity sensing.

High-resolution ambient light measurement (1 to 65535 lx) for automating smart blinds indoor lighting scenes and outdoor daylight tracking.

Medical-grade optical pulse oximetry sensor connected to ESP32 for non-invasive biometric monitoring and fitness telemetry.

Sealed stainless steel temperature sensor probe ideal for pool aquarium soil or HVAC duct thermal tracking.

High-speed addressable RGB LED driver leveraging ESP32-S3 RMT hardware peripherals for smooth ambient lighting and animations.

High-precision DC power monitoring sensor for solar panels battery banks and 12V automotive circuit telemetry.

Single-channel 10A relay controller for automating appliance power garage door openers or low-voltage solenoid valves.

Low-cost motion detector with adjustable delay and sensitivity for indoor security and automatic room lighting.

Photoacoustic NDIR carbon dioxide sensor providing true CO2 PPM measurements for indoor air quality and HVAC ventilation control.

Laser dust sensor measuring fine airborne particles (PM1.0 PM2.5 PM10) for air purifier automation and smoke detection.

High-temperature thermal probe measuring up to 1024C for kiln smoker pizza oven or engine exhaust monitoring.

Compact ultra-reliable MEMS temperature and humidity sensor with digital I2C output for smart home environmental monitoring.

Satellite geolocation receiver module for vehicle tracking asset positioning and accurate UTC clock synchronization.

16-channel I2C-controlled PWM driver for animatronics robotic arm joint control or multi-channel LED dimming.

Micro 9g servo motor for automated deadbolt turning pet feeder dispensing or physical button actuation.

Quadrature rotary knob encoder for manual media volume adjustment light dimming control or menu navigation interfaces.

24-bit precision ADC amplifier paired with strain gauge load cells for smart bed occupancy detection propane tank weighing or inventory scale automation.

Precision barometric pressure and temperature sensor for weather station forecasting and indoor altitude tracking.

Hardware MP3/WAV audio player module for custom smart home voice chimes doorbells and alarm announcements from MicroSD storage.

16-bit high-resolution ADC expander adding 4 precision analog measurement channels with programmable gain amplifier.

RFID and NFC card access control scanner for smart door locks workshop tool authorization or personal keycard arming/disarming.

Corrosion-resistant capacitive soil moisture sensor for garden irrigation automation plant hydration alerts and greenhouse monitoring.

The ESP32-S3 paired with the ILI9341 2.8 inch 320x240 color TFT LCD display provides rich interactive graphical dashboards in Home Assistant.

High-speed CAN bus communication interface for automotive OBD-II diagnostics solar inverter bus monitoring and industrial automation.

Cold-junction compensated K-type thermocouple amplifier measuring extreme temperatures up to 1350C with 0.25C resolution.

Low-cost high-accuracy MEMS temperature and humidity sensor for indoor climate tracking and HVAC automation.

13.56MHz NFC and RFID reader module supporting card reading phone emulation and secure access badge verification.

High-performance camera module delivering real-time RTSP video streams face detection and snapshot image capture to Home Assistant.

Battery-backed RTC IC maintaining sub-second clock accuracy during power outages and off-grid offline operation.

Calibrated digital temperature and humidity sensor module with 0.5C accuracy for indoor room telemetry.

Multi-pixel gas sensor measuring total volatile organic compounds (TVOC) and equivalent CO2 for indoor air purification.

Color light sensor with IR blocking filter for measuring color temperature ambient light spectrum and surface reflection.

12-bit digital-to-analog converter generating precise analog control voltages for variable frequency drives (VFD) and audio synth modules.

Circular 240x240 pixel IPS display ideal for smart thermostat dials rotary menu displays and gauge dashboards.

Long-range laser distance sensor measuring target distance up to 400cm regardless of surface color or reflectivity.

High dynamic range light sensor measuring from 188uLux up to 88000Lux for indoor and direct sunlight monitoring.

I2C GPIO expander module adding 8 additional digital input/output pins to ESP8266 or ESP32 microcontrollers.

3-axis digital compass for calculating magnetic orientation bearing direction and magnetic field variations.

Non-contact infrared thermometer measuring surface temperatures from -70C to +380C without physical contact.

Local MicroSD card reader for offline sensor logging event recording and local image storage.

Industrial-grade platinum RTD resistance thermometer amplifier delivering high precision temperature readings.

1.8 inch full-color TFT display for compact sensor dashboards status monitors and menu screens.

Single-chip lux meter matching human eye spectral response for natural display backlight auto-brightness.

4-channel opto-isolated relay module for controlling 4 independent AC or DC high-voltage electrical circuits.

Large 2.42 inch high-contrast monochrome OLED display for desktop dashboards and industrial status readouts.

Contactless magnetic rotary position sensor measuring 360-degree absolute shaft angle with 12-bit resolution.

Dual-channel H-bridge DC motor driver for controlling small motor speed direction and linear actuators.

Acoustic sound level detector with adjustable potentiometer threshold for glass break detection and noise metering.

Integrated 3.3V CAN bus transceiver leveraging ESP32-S3 TWAI peripheral for industrial CAN networks.

Conductive water immersion sensor for detecting sump pump overflows pipe leaks and basement flooding.

Ultra-low power 3-axis accelerometer with 13-bit measurement resolution up to +/-16g for motion activity tracking.

Infrared emitter and receiver pair for controlling HVAC air conditioners TVs and AV receivers via IR codes.

Calibrated MEMS humidity and temperature sensor probe with +/-1.8% RH accuracy for medical and HVAC applications.

Large 3.5 inch HVGA 320x480 resolution color display for central smart home wall touch panels.

Entry-level digital temperature and humidity sensor module with resistor pull-up for basic room monitoring.

2.4GHz ultra-low power RF transceiver module for custom long-range wireless sensor networks.

Microstepping stepper motor driver for automated window blinds 3D printers and motorized camera sliders.

8-channel 10-bit SPI analog-to-digital converter adding multiple analog inputs to Raspberry Pi Pico W.

Programmable color light sensor converting color intensity to pulse frequency for sorting automation.

AI-enhanced gas sensor detecting VOCs VSCs and odor profiles using Bosch BSEC machine learning library.

Non-invasive split-core AC current transformer clamp measuring main breaker house load up to 100A RMS.

Vibration trigger module with adjustable sensitivity comparator for washing machine cycle alerts and earthquake sensing.

5-point capacitive multi-touch panel controller for interactive LCD screen displays and smart switch panels.

High sensitivity NPN phototransistor detecting infrared light wavelength from 760nm to 1100nm for fire detection safety.

Digital VOC index sensor providing robust indoor air quality assessment algorithms for smart air purifiers.

Omnidirectional digital MEMS microphone with I2S interface for Home Assistant local voice satellite streaming.

Single-chip I2S digital-input Class-D audio amplifier driving 3.2W mono speakers for smart voice notifications.

Linear Hall effect magnetic sensor for non-contact position measurement rotation counting and door proximity.

Magnetic reed switch tipping bucket rain collector measuring real-time rainfall rate and daily accumulation.

Industrial 7-in-1 soil quality probe measuring soil NPK nutrients electrical conductivity temperature and moisture via Modbus RS485.

The Eve Energy Smart Plug is natively supported in Home Assistant via Matter over Thread with zero bridge required when an OpenThread Border Router is present.

The Tapo P110M provides native Apple HomeKit & Matter support allowing local control of electrical loads and live energy monitoring.

Smart Matter over Thread LED bulb delivering sub-50ms color adjustments and adaptive lighting controls inside Home Assistant.

In-wall smart light switch supporting local Matter over Wi-Fi control on Samsung SmartThings and Home Assistant.

Decora smart in-wall dimmer with native Matter certification enabling smooth dimming control via Siri and Apple Home.

High-gain Zigbee 3.0 USB coordinator dongle based on CC2652P chip for building robust Home Assistant Zigbee networks.

Battery-powered Zigbee 3.0 PIR motion sensor reporting occupancy directly to Home Assistant ZHA and Zigbee2MQTT.

Wireless battery-powered rotary knob for controlling Home Assistant light dimming media volume and scene automation rules.

Zigbee water leak detector with stainless steel sensing probes for basement and appliance flood alerts.

Compact Zigbee 3.0 temperature and humidity sensor featuring a high-contrast 2.5-inch LCD screen for desktop climate monitoring.

5-button Z-Wave scene controller switch featuring 1 relay load channel and 4 customizable RGB LED scene control buttons.

Next-generation Z-Wave 800 series in-wall light dimmer with Long Range (LR) capability and S2 security framework.

Matter-certified smart Wi-Fi hub featuring built-in temperature and humidity display plus universal infrared remote blaster.

High-definition 2K 5MP PoE video doorbell with zero cloud reliance local RTSP streaming and ONVIF protocol support.

Thumb-sized ESP32-S3 module featuring camera expansion board with OV2640 (Early Revisions) / OV3660 (Current Revisions) 3MP sensor, PDM digital microphone, and MicroSD slot for local AI audio/video telemetry.

32-bit RA4M1 ARM Cortex-M4 microcontroller board featuring built-in 12x8 LED matrix display and ESP32-S3 Wi-Fi co-processor.

Popular low-cost ESP32 camera development board with OV2640 2MP CMOS camera sensor for video streaming in Home Assistant.

100MHz ARM Cortex-M4 STM32F411 Black Pill paired with MPU9250 9-axis motion tracking sensor for flight controllers and robotics.

600MHz ARM Cortex-M7 development board featuring native 100Mbit Ethernet hardware PHY and SD card slot for ultra-fast telemetry.

ESP32-S3 development board integrated with 1.91-inch 170x320 ST7789 color IPS display and dual programmable buttons.

Gold-plated NDIR carbon dioxide gas sensor measuring indoor CO2 levels from 0 to 5000 PPM with high selectivity.

24GHz Doppler mmWave radar module delivering instant static human presence and micro-motion tracking inside rooms.

Digital multi-gas air quality sensor calculating real-time TVOC eCO2 and AQI indices for ventilation automation.

Advanced Time-of-Flight distance sensor capable of detecting multiple targets simultaneously within a 3-meter range.

Integrated pulse oximetry and heart-rate monitor IC with ambient light cancellation for wearable health devices.

High-precision 24-bit barometric pressure sensor providing +/- 0.5 hPa accuracy for floor-level altitude tracking.

Compact low-power pressure sensor for weather station tracking drone altitude stabilization and indoor climate monitoring.

Smart HMI touchscreen display module offloading UI graphics rendering to onboard ARM processor over serial UART.

1.3-inch blue/white monochrome OLED display module using SH1106 driver IC for showing Home Assistant metrics.

9-axis motion tracking sensor combining 3-axis gyro 3-axis accelerometer and AK8963 3-axis magnetometer.

Ultra-compact thumbnail-sized XIAO ESP32C3 board paired with SHT40 temperature and humidity sensor for miniature wireless nodes.

All-in-one open-source smart home sensor node integrating mmWave presence particulate matter CO2 and environmental sensors.

Pre-flashed open-source ESPHome smart plug providing instant Home Assistant auto-discovery and high-accuracy energy metering.

High-precision 16-bit I2C current and voltage monitor measuring up to 36V DC bus lines with sub-milliamp accuracy.

768-pixel thermal imaging sensor array generating 32x24 pixel heatmaps for non-contact hot-spot detection.

Multi-function sensor array detecting hand gestures color spectrum ambient light level and physical proximity.

16-bit I2C parallel port expander with configurable interrupt output pins for adding buttons and relays to microcontrollers.

I2C real-time clock IC with 56-byte non-volatile RAM and CR2032 battery backup for off-grid logging.

High-accuracy 16-bit digital ambient light sensor measuring lux levels up to 120000 lx for solar tracking.

Cascadable 8x8 red LED dot matrix display module for scrolling text clocks stock tickers and status banners.

3-axis digital compass IC measuring Earth magnetic field for indoor robot navigation and orientation tracking.

1/2-inch hall effect turbine water flow sensor measuring water consumption rate and total volume in Home Assistant.

Active single-phase AC voltage transformer module measuring grid AC voltage from 100V to 250V AC.

Optical dust sensor detecting airborne particulate matter and cigarette smoke using infrared emitting diode.

Ultra-small 3.3V passive infrared motion detector module for battery-powered occupancy sensors.

Piezoelectric buzzer module for playing Nokia RTTTL tunes alarm sound effects and status chimes in ESPHome.

25A solid state relay module enabling silent zero-cross switching for high-power heating elements and AC loads.

Classic ultrasonic distance sensor measuring ranges from 2cm to 400cm with 3mm accuracy.

Compact photoacoustic NDIR sensor measuring true CO2 from 400 to 5000 ppm with on-chip temperature and humidity compensation for ventilation automation.

Third-generation Sensirion climate sensor with factory calibration and an ADDR pin that selects between two I2C addresses for dual-sensor installs.

Low-cost digital humidity and temperature sensor widely shipped on purple GY-21 breakout boards for budget room climate nodes.

Classic dual-photodiode light sensor approximating the human eye response across a 0.1 to 40000 lux range with a three-way strappable address pin.

All-in-one air quality module combining a laser particulate sensor with VOC NOx temperature and humidity sensing behind a single I2C interface.

Combined ultraviolet and ambient light sensor reporting UV index for sun exposure alerts and greenhouse monitoring.

The definitive weather station sensor combining temperature humidity and barometric pressure in one package with an SDO-strappable I2C address.

Ubiquitous 6-axis motion sensor used for vibration monitoring tilt detection and DIY motion alarms with an AD0-strappable address.

Metal-oxide gas sensor reporting total VOCs and CO2-equivalent readings with on-chip baseline compensation for kitchen and bathroom air automation.

Eight-channel I2C switch that lets several sensors sharing one fixed address coexist on a single host by isolating each onto its own downstream bus.

24GHz mmWave radar tracking up to three moving targets with X/Y coordinates enabling zone-based presence automation beyond what a single-point sensor reports.

Laser scattering particulate sensor with an internal fan reporting PM2.5 and PM10 concentrations for outdoor air quality stations.

Single-phase AC energy meter measuring an 80-260V mains circuit through an isolating current transformer; the measurement side connects directly to line voltage and must be enclosed before energisation.

Doppler microwave motion module detecting movement through thin walls and enclosures where a PIR lens cannot see; sold as an unbranded reference design by many vendors.

Single-pad capacitive touch sensor module replacing mechanical buttons behind glass or acrylic panels for splash-proof control surfaces.

Detented quadrature rotary encoder with push switch for volume dials brightness knobs and menu navigation in ESPHome dashboards.

IP67 waterproof ultrasonic ranging probe measuring 3 to 450cm over UART for water tank levels sump pits and cisterns where HC-SR04 boards corrode.

24GHz mmWave radar distinguishing moving from stationary presence with per-gate sensitivity tuning and an onboard light sensor; the wider-beam sibling of the LD2410.

Budget 24GHz mmWave presence module of the LD2410 family; newer firmware talks at 115200 baud where pre-v1.5.3 units ship locked to 256000.

24GHz mmWave radar tracking up to three targets with X/Y coordinates over a 256000-baud UART; the budget alternative to the LD2450 for zone-based presence.

Sealed ultrasonic transducer on a 2.5m lead for water tank and sump level sensing where an exposed HC-SR04 corrodes; the common Mode 1 boards report over UART.

Compact 10-180cm time-of-flight ranging module readable over I2C for parking sensors bin-level monitors and desk occupancy.

Metal-oxide gas sensor estimating CO2-equivalent and total VOC levels; needs a 48-hour burn-in before its baseline settles which catches out first-time users.

Automotive-grade laser scattering particulate sensor with a self-cleaning fan and an eight-year lifetime rating; the step up from the PMS5003 for permanent installs.

The I2C variant of the Plantower PMS family popularised by Adafruit breakouts — same laser scattering cell as the PMS5003 without tying up a UART.

The energy metering chip inside the original Sonoff POW on a bare breakout: samples the mains line through an onboard shunt and divider and reports as pulse frequencies on CF/CF1.

The metering chip from the Sonoff POW R2 as a bare module: streams voltage current and power over a one-way 4800-baud UART while sitting directly on the measured line.

Single-cell lithium fuel gauge using Maxim's ModelGauge algorithm to report an actual percentage instead of a bare voltage — the missing piece in most battery-powered ESP32 builds.

Factory-calibrated digital thermometer accurate to 0.1C from -20C to +50C without user calibration — reference-grade readings for the price of a breakout.

Maximum-accuracy 0.25C digital temperature sensor with three address pins for eight-sensor installs; the long-standing Adafruit staple for fridge freezer and incubator monitoring.

Low-power TI climate sensor with an integrated heater for recovering the humidity element after condensation; common on the blue CJMCU-1080 breakout.

Miniature barometric sensor resolving 0.06hPa — enough to detect a door opening from the pressure wave — for weather stations and floor-level detection.

Ambient light sensor spanning 0.045 to 188000 lux in one automatic range — from moonlight to direct summer sun without gain switching — at microamp supply currents.

Franklin lightning sensor detecting strikes up to 40km out and estimating storm-front distance — advance warning for pool alarms awnings and antenna disconnects.