@mschaeffler/node-red-dualled

Two nodes to control dual (CCT) LEDs.

Install

$ npm install @mschaeffler/node-red-dualled

Usage

With this nodes you can control pairs of warm and cold leds (called dual leds or CCT leds), which are controled by two independant drivers, and use the feedback from the drivers.

ctrlDualLed

This node drives the dual led by calculating the individual brightness values. It works on base of topics so that with each different topic another led can be controlled.

Input

All inputs are stored in a node local context variable, to always output a complete data set.

|msg. | type | description | |:-------|:-------|:----------------------------------| |payload | string | on, off, toggle | | | boolean| switch on or off. | | | object | set turn, temp, brightness or transition according to key.|

Output

All values of the msg (incl. topic) are preserved, except the payload.

control warm LED

|msg. | type | description | |:-------|:-------|:----------------------------------| |payload.turn | string | on or off for the warm led.| |payload.brightness | number | brightness for the warm led.| |payload.transition | number | transition time. |

control cold LED

|msg. | type | description | |:-------|:-------|:----------------------------------| |payload.turn | string | on or off for the cold led.| |payload.brightness | number | brightness for the cold led.| |payload.transition | number | transition time. |

Parameters

|config| type | description | |:-----|:-------|:----------------------------------| | dual Led |confDualLed| configuration node to define one pair of dual LEDs.|

feedbackDualLed

This node converts brightness values of two individually controlled leds into a brightness / temp tuple.

Input

All input values are organized in objects with the parameters iWarm and iCold as indexes.

|msg. | type | description | |:-------|:-------|:----------------------------------| |payload.output[iWarm]| string | state of warm led. | |payload.output[iCold]| string | state of cold led. | |payload.brightness[iWarm]| number | brightness of warm led.| |payload.brightness[iCold]| number | brightness of cold led.| |payload.power[iWarm]| number | actual power of warm led.| |payload.power[iCold]| number | actual power of cold led.| |payload.energy[iWarm]| number | total energy of warm led.| |payload.energy[iCold]| number | total energy of cold led.|

{
    "output":{
        "Warm":"off",
        "Cold":"off"
    },
    "brightness":{
        "Warm":42,
        "Cold":38
    },
    "power":{
        "Warm":0,
        "Cold":0
    },
    "energy":{
        "Warm":45.56666666666667,
        "Cold":9.8
    }
}

Output

All values of the msg (incl. topic) are preserved, only this vales are chaged in the payload.

|msg. | type | description | |:-------|:-------|:----------------------------------| |payload.output| | output of warm led | |payload.brightness| summed brightness | |payload.temp| number | interpolated color temperature.| |payload.power| number | summed power of both leds. | |payload.energy| number | summed energy of both leds. |

Parameters

|config| type | description | |:-----|:-------|:----------------------------------| | dual Led |confDualLed| configuration node to define one pair of dual LEDs.| | Index Warm | string | Index to the payload properties for the warm led.| | Index Cold | string | Index to the payload properties for the cold led.|

confDualLed

This configuration node stores data about a dual white LED.

Parameters

|config| type | description | |:-----|:-------|:----------------------------------| | Temp_warm | number | Color temperature of the warm white LED.| | Temp_cold | number | Color temperature of the cold white LED.|

Example Flow

example flow

Author

Mathias Schäffler

License

LGPL-2.1