HDC1080 | CJMCU-1080| Digital Humidity Sensor
Where to Buy?
This sensor is available in many Chinese online websites. CJMCU-1080 Module price varies, but you can get it for approximately $18 in most Websites.
Check Price on Aliexpress | Amazon
About HDC1080
HDC 1080 humidity sensor is a best digital humidity sensor for DIY Arduino Projects that provides excellent measurement accuracy at very low power. HDC1080 works with Arduino, STM32, Raspberry pi, ESP8266 using the I2C bus interface. This article covers HDC1080 Arduino code, Pinout, Datasheet, library, price, specification, features, applications.
This Humidity Sensor supports a wide range of operating power supplies, voltage ranges, and offers a low cost and low power advantage for a variety of common applications compared to competing solutions. The humidity and temperature sensors are factory calibrated.
GY-213V-HDC1080 is a more accurate and easier to use module for Industrial High Precision Humidity measurement with I2C Interface for microcontroller.
Applications
- Industrial apparatuses
- Smart home
- HVAC
- Smart Thermostats and Room Monitors
- White Goods
- Printers
- Handheld Meters
- Medical Devices
- Wireless Sensor
Features
- Relative Humidity Accuracy ±2% (typical)
- Temperature Accuracy ±0.2°C (typical)
- Excellent Stability at High Humidity
- 14 Bit Measurement Resolution
- 100 nA Sleep Mode Current
- Average Supply Current:
- 710 nA @ 1sps, 11 bit RH Measurement
- 1.3 µA @ 1sps, 11 bit RH and Temperature
Measurement
- Supply Voltage 2.7 V to 5.5 V
- Small 3 mm × 3 mm Device Footprint
- I2C Interface
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VCC | Power supply for the module can be 2.7V to 5.5V, typically 3.3V is used |
| 2 | GND | Ground of the module, connected to ground of the circuit |
| 3 | SCL | Serial Clock Line, used to provide clock pulse for I2C communication |
| 4 | SDA | Serial Data Address, used to transfer the data through I2C communication |
CJMCU-1080 Arduino Wiring
HDC1080 Arduino Code
For this sensor arduino library is not requred.
Arduino_Example.ino
Arduino Code Description: This sketch configures the HDC 1080 and Arduino Uno to read and display the local temperature and humidity to serial monitor. Please see the associated schematic for setup information.
