4G LTE Air Monitor – Environmental Monitoring with ESP32-S3
The 4G LTE Air Monitor is a versatile IoT device designed for environmental and greenhouse monitoring. It measures air temperature, humidity, light intensity, CO₂ equivalent concentration, and TVOC levels, transmitting the data via 4G LTE for real-time monitoring and long-term analysis.
Powered by the high-performance ESP32-S3 controller with Wi-Fi, Bluetooth 5.0, and 4G LTE Cat-1 (SIM7670G), the module ensures reliable wireless connectivity. Its integrated solar charging system (MPPT) and 18650 Li-Ion battery provide continuous operation with ultra-low standby consumption of just 165 µA. Built for outdoor applications, the sensor is robust and suitable for harsh environments.
Features
- Measurements: Temperature (−40 to +85°C), Humidity (0–100% RH), CO₂eq (400–60,000 ppm), TVOC (0–60,000 ppb), Light intensity (1–65,535 lx)
- Controller: ESP32-S3-WROOM-1, 16MB Flash, 8MB PSRAM
- Wireless: Wi-Fi, Bluetooth 5.0 & 4G LTE Cat-1 (SIM7670G, Up 5 Mbps / Down 10 Mbps)
- GNSS positioning: included
- Power supply: Solar (4.5–28V) + 18650 battery
- MPPT & BMS: smart power management with overcharge/discharge protection
- Operating Temperature: −40 to +85°C
- Arduino Support: open hardware/software, customizable
Perfect for
- Greenhouse & agricultural monitoring
- Smart farming & environmental analytics
- CO₂ & air quality monitoring
- Off-grid IoT projects with solar power
- Long-term data logging & cloud integration
Documentation
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