Description

Control Velleman K8061 interface board with node.js.

Requirements

• node.js
• libusb
• Velleman K8061 USB interface board

Install

npm install git://github.com/unkernet/node-k8061.git

Sample

var k8061 = require('node-k8061');
var count = k8061.count;
console.log('Found ' + count + ' devices');

if (count > 0) {
  try {
    var board = k8061.k8061(); // Open the first available device
  } catch (e) {
    console.error(e.message);
    process.exit();
  }
  board.analogOut = 128;       // Set all analog channels to the middle value
  board.analogOut[7] = 255;    // Set last analog channels to the maximum value
  setInterval(function() {
    board.digitalOut = board.digitalIn;
  }, 100);                     // Bind digital output to the digital input
}

Common issues

API

• count Number of connected boards.
• k8061(id, byAddress) Open the device with specified id by connection order or by address jumpers.

k8061 object:

• close() Close the device.
• hasPower 1 if the board is connected to an external power source.
• digitalIn Array of digital input pins, 0 or 1.
• digitalOut Array of digital output pins, 0 or 1. Can be set to an array or a single value.
• analogIn Array of digital input pins, 0 to 1023.
• analogOut Array of digital output pins, 0 to 255. Can be set to an array or a single value.
• pwmOut PWM output value, 0 to 1023.