Tibbit #28 (Ambient light sensor)
The node module for data collection from Tibbit #28 (Ambient light sensor) block.
Installation Instructions
The module is available as precompiled binary and C source code.
Install the module
npm install @tibbo-tps/tibbit-28
Usage
var lightSensor = require("@tibbo-tps/tibbit-28").init(socket);API Methods:
init(socket)
- socked - TPP socket number
Returns an object with a singe method:
.getData()
Returns an object with the following properties:
- illumination - Illumination, Lx
Example:
var lightSensor = require("@tibbo-tps/tibbit-28").init("S1");
setInterval(function(){
var data = lightSensor.getData();
console.log("Illumination: "+data.illumination);
},1000);About the Tibbit #28 block
This Tibbit is based on the BH1721FVC ambient light sensor with I2C interface. The sensor is implemented as the C1 device with a clear (transparent) window.
The module measures the light intensity of the surrounding environment and its spectral response is close to that of a human eye.
The module outputs ambient light measurements as 16-bit values that do not correspond to any standard measurement units.
This C1 device requires that Tibbit #00-3 is installed in the neighbouring "M" socket. #00-3 provides two direct lines for I2C comms, as well as the ground and +5V power for the BH1721FVC IC.