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Francesco Truzzi 2015-03-07 14:57:08 +01:00
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HDC1000 NodeMCU module
=======================
Here's my NodeMCU module for the TI HDC1000 temperature and humidity sensor. It should work with the HDC1008 too but I haven't tested it.
### Setup your sensor:
First, require it:
`HDC1000 = require("HDC1000")`
Then, initialize it:
`HDC1000.init(sda, scl)`
Configure it:
`HDC1000.config()`
Default options set the address to 0x40 and enable both temperature and humidity readings at 14-bit resolution, with the integrated heater on. You can change them by initializing your sensor like this:
`HDC1000.config(address, resolution, heater);`
"resolution" can be set to 14 bits for both temperature and humidity (0x00 - default) 11 bits for temperature (0x40), 11 bits for humidity (0x01), 8 bits for humidity (0x20)
"heater" can be set to ON (0x20 - default) or OFF (0x00)
### Read some values
You can read temperature and humidity by using the following commands:
`temperature = HDC1000.getTemp()` in Celsius degrees.
`humidity = HDC1000.getHumi()` in %
### Check your battery
The following code returns true if the battery voltage is <2.8V, false otherwise.
`isDead = HDC1000.batteryDead();`
Happy making! Also, check out my Breakout Board and Arduino library for this chip: http://b.truzzi.me/hdc1000-temperature-and-humidity-sensor-breakout-with-arduino-library/.