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Airlytix ES1 Review: ESPHome Air Quality Monitor

CNX Software's review of the Airlytix ES1 ESPHome-based environment monitor covering its SEN55, SCD41, SHT40, DPS310, and VEML6040 sensor suite, Home Assistant integration, pricing, and comparison with other air quality devices.

Boards:ESP32
Firmware:ESPHomeHome Assistant
Use Cases:Environmental MonitoringHome Automation

Overview

CNX Software published a detailed review of the Airlytix ES1 in May 2024, covering the ESP32-based environment monitor that runs ESPHome firmware for seamless Home Assistant integration. The article examines the device's comprehensive sensor suite and its position in the DIY air quality monitoring market.

Key Highlights

  • 9 environmental parameters measured: PM1.0/2.5/4/10 (SEN55), VOC and NOx indices (SEN55), CO2 (SCD41), temperature and humidity (SHT40), barometric pressure (DPS310), ambient light and color temperature (VEML6040), and sound level (I2S microphone)
  • Compact form factor: 62.5 x 63 x 34 mm in a 3D-printed enclosure
  • No cloud dependency: Full local control via ESPHome native API
  • RGB traffic-light indicator: Visual air quality feedback at a glance
  • Open source: Configuration YAML and 3D case files available on GitHub
  • Multiple purchase options: Kit from $134.95, fully assembled for $156.54 on Tindie

Sensor Specifications

Parameter Sensor Range Accuracy
Temperature SHT40 -40 to 125°C ±0.2°C
Humidity SHT40 0-100% ±1.8%
CO2 SCD41 400-5000 ppm ±50 ppm
PM2.5 SEN55 0-1000 μg/m³ —
Ambient Light VEML6040 RGBW —

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