2 Pack SHT40 I2C Humidity And Temperature Sensor Module For Smart Home DIY And IoT 0 To 100 Percent Relative Humidity 14 Bit Resolution Ultra Accurate Temperature To 0.2 C And Humidity To 1.8 Percent Great For Greenhouses

Two-Pack SHT40 I2C Humidity/Temperature Sensor Module
✔️ I2C humidity/temperature sensor with 2-pack, ultra-low power

These compact SHT40 humidity and temperature sensor modules provide precise environmental measurements for smart homes, greenhouse monitoring, HVAC control, and IoT deployments. Ready for 3.3V or 5V systems, they plug into common microcontrollers with minimal external parts.

✅ ±0.2°C temperature accuracy; ±1.8% RH humidity accuracy
✅ Resolution 0.01°C / 0.01% RH
✅ I2C interface with selectable address 0x44/0x45; up to 1MHz
✅ Supply voltage 1.08-3.6V; compatible with 3.3V/5V systems
✅ Ultra-low power: 0.4 µA avg, 80 nA sleep
✅ Built-in self-calibration and condensation heater for drift reduction
✅ Plug-and-play with no external calibration; simple setup tips included

💡 What is a humidity and temperature sensor module used for in smart homes and greenhouse projects?

Handy climate sensors deliver precise data to automate environmental controls and logging.

- Real-time temperature and humidity readings for HVAC, irrigation, and data logging - Simple I2C interface compatible with Arduino, Raspberry Pi, and STM32 - Low power design ideal for battery-powered, remote deployments