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AHT20 Temperature Humidity Sensor IC
The AHT20 temperature humidity sensor IC is a next-generation, fully calibrated digital temperature and humidity sensing IC
featuring excellent accuracy, fast response, and long-term stability. This compact SMD sensor is widely
used in IoT devices, smart home systems, weather monitoring units, consumer electronics and
environmental sensing applications.
🔧 Key Features
- 🌡️ High-accuracy temperature sensing (±0.3°C typical)
- 💧 Precise humidity measurement (±2% RH typical)
- ⚡ I2C digital interface for easy integration
- 📦 Fully calibrated and compensated output
- 🔋 Low-power consumption for portable devices
- 📏 Compact SMD package for embedded designs
- 🚀 Fast measurement response time
📐 Technical Specifications
| Model | AHT20 |
| Temperature Range | -40°C to +85°C |
| Temperature Accuracy | ±0.3°C |
| Humidity Range | 0 – 100% RH |
| Humidity Accuracy | ±2% RH |
| Operating Voltage | 2.2V – 5.5V |
| Interface | I2C (SDA, SCL) |
| I2C Address | 0x38 |
| Package Type | SMD, 4-pin |
| Long-term Drift | <0.5% RH/year |
💡 Applications
- 🏠 Smart Home Automation (AC systems, thermostats, indoor sensing)
- 📶 IoT Devices using ESP32, Arduino, STM32, Raspberry Pi
- ⚙️ Industrial Monitoring equipment
- 🌱 Greenhouse & Agriculture humidity control
- 📊 Weather Stations and environmental sensors
- 📱 Consumer Electronics (humidifiers, purifiers, wearables)
📦 Package Includes
- 1 × Original AHT20 Temperature & Humidity Sensor IC
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