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MusRock
MusRock 2pcs GY-SHT31 Digital Temperature Humidity Sensor Module I2C Interface 2.4-5.5V Wide Voltage
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0.20 kg
0.20 kg
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Nuevo
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Producto de
Amazon
Amazon
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USA
USA
Sobre este producto
- Product Parameters Input Voltage: 2.4V–5.5V DC (Wide Voltage Compatible) Temperature Range: -40°C to +125°C Temperature Accuracy: ±0.3°C (Typical) Humidity Range: 0%–100% RH Humidity Accuracy: ±2% RH (Typical) Communication Interface: I²C (Up to 1 MHz, Addresses 0x44 or 0x45) Power Consumption: 0.6 mA (Active), 0.1 µA (Sleep) Protection Rating: IP67 (Dust and Moisture Resistant) 🔌 Pin Functions VIN: Power Supply (2.4V–5.5V DC) GND: Ground SCL: I²C Clock Line (Requires 4.7kΩ Pull-up to VIN) SDA: I²C Data Line (Requires 4.7kΩ Pull-up) ADDR: I²C Address Select (GND: 0x44, VIN: 0x45) ALERT: Threshold Alarm Output (Open-Drain, Low Active) ❓ FAQ 1. I²C Communication Failure? Ensure pull-up resistors (4.7kΩ) on SCL/SDA to VIN. Check address configuration (default: 0x44). Verify stable power supply (ripple <50 mV). 2. Humidity Reading Too High? Avoid prolonged condensation (>80% RH). Use offset calibration (e.g., setHumidityOffset()). 3. How to Reduce Power Consumption? Enable single-shot mode (command 0x2400). Reduce sampling frequency (e.g., to 0.1 Hz). 4. How to Use ALERT Pin? Set thresholds (e.g., T > 50°C or H <30%). Connect to MCU interrupt; read status register 0x302for details. 5. Can It Replace DHT22? Yes! Higher accuracy (±2% RH vs. ±5% RH) and faster response (8s vs. 15s). Digital I²C signal offers better noise immunity than single-bus.
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【High-Precision Temperature and Humidity Sensor】 16-bit resolution; ±0.2°C temperature accuracy (0°C to 90°C); ±2% RH humidity accuracy (20% to 80% RH); I²C interface with adjustable address 0x44 or 0x45; suitable for smart home and Settingal monitoring systems. 【Wide Voltage Compatibility and Low Power Consumption】 Supports 2.4V to 5.5V DC input; compatible with 3.3V and 5V systems; 0.6 mA active mode; 0.1 µA sleep mode; Suitable for battery-powered applications and low-power designs. 【Anti-Condensation and Reliable Performance】 Built-in anti-condensation algorithm; IP67 protection rating; operates in -40°C to +125°C range; ensures stable performance in humid and extreme Settings. 【Easy Integration with Popular Development Boards】 Compatible with for Arduino, for Raspberry Pi, and STM32; I²C interface with 4.7kΩ pull-up resistors; factory calibrated for immediate use; comprehensive documentation available for quick setup. 【Fast Response Time and Strong Anti-Interference】 8-second response time for humidity changes; 400 kHz I²C communication speed; CRC check for data integrity; minimizes signal noise and improves measurement reliability.
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