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0.1.4

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8x8matrix

A simple node.js-based helper for the Raspberry Pi and the Adafruit 8x8 Matrix

8x8adafruitgpioledmatrixpiraspberrysimple
Published17 Mar 2019
Direct dependencies1
Transitive dependenciesNot calculated

README

Current package documentation

Adafruit 8x8-Matrix with NodeJS

Control your Adafruit 8x8 Matrix with NodeJS. Your nodejs script have to run as root.

Setup

$ npm i 8x8matrix

const Matrix = require('8x8matrix');

let matrix = new Matrix();
matrix.writeArray(matrix.smily);

Options

let matrix = new Matrix({
	brightness: 15,
	slaveAddress: 0x70,
	bautrate: 10000
});

API

Pixels can be written by a simple js-array with 64 objects.

var smily = [
	0,0,1,1,1,1,0,0,
	0,1,0,0,0,0,1,0,
	1,0,1,0,1,0,0,1,
	1,0,1,0,1,0,0,1,
	1,0,0,0,0,1,0,1,
	1,0,1,1,1,0,0,1,
	0,1,0,0,0,0,1,0,
	0,0,1,1,1,1,0,0
];

matrix.writeArray(smily);

/**
  * Set brightness of all LED
  * Values: 1 (very low) to 15 (very bright)
  */

matrix.setBrightness(8);

/**
  * Set first top-left LED to on
  * matrix.setLED(x, y, true/false);
  */

matrix.setLED(0, 0, 1);

Test

$ sudo node test.js

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Declared dependencies 1

Native requirements
1 direct targetsNot calculated transitive count
Package / targetRequirementRelationship
rpio
Environment
{
  "local_name": "rpio",
  "alias": false,
  "peer_metadata": null
}
^0.9.22runtime

Distribution files

1 collected
Distribution 1

Source distribution

Source file
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