nodemcu-firmware/docs/en/modules/hdc1080.md

HDC1080 Module

Since	Origin / Contributor	Maintainer	Source
2017-04-01	Metin KOC	Metin KOC	hdc1080.c

This module provides access to the HDC1080 low power, high accuracy digital humidity sensor with temperature sensor.

hdc1080.read()

Samples the sensor then returns temperature and humidity value.

Syntax

hdc1080.read()

Returns

Temperature data in centigrade and humidity data in percentage (0-100) (integer/float)

Example

local sda, scl = 1, 2
i2c.setup(0, sda, scl, i2c.SLOW)  -- call i2c.setup() only once
hdc1080.setup()
local temperature,humidity = hdc1080.read()
print(temperature)
print(humidity)

hdc1080.setup()

Initializes the module.

Syntax

hdc1080.setup()

Parameters

• None

Returns

nil

hdc1080.init(sda,scl)

Initializes the module and sets the pin configuration.

!!! attention

 This function is deprecated and will be removed in upcoming releases. Use `hdc1080.setup()` instead.

Syntax

hdc1080.init(sda, scl)

Parameters

• sda data pin
• scl clock pin

Returns

nil