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James Bulpin jamesbulpin

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jamesbulpin / hama.py
Created November 11, 2017 10:58
Prototype IR control to MQTT gateway
import os
import signal
import uuid
import threading
import sys
import time
import datetime
import subprocess
import paho.mqtt.client as mqtt
import evdev
@jamesbulpin
jamesbulpin / ws2811.js
Created December 22, 2016 15:18
Second version of an Octoblu-connected WS2811 LED string driver. Adds corodinate-based patterns and dot-matrix message display.
var ws281x = require('rpi-ws281x-native');
var meshblu = require('meshblu');
var meshbluJSON = require("./meshblu.json");
var tinycolor = require("tinycolor2");
var mic = require('microphone');
var VUMeter = require('vu-meter')
var mqtt = require('mqtt');
var font5x7 = require('./font.js');
var fs = require('fs');
try {
@jamesbulpin
jamesbulpin / lambda.py
Created December 22, 2016 15:12
AWS Lambda code for Alexa skill handler for WS2811 control via Octoblu
from __future__ import print_function
import urllib
import urllib2
octoblu_trigger = "https://triggers.octoblu.com/v2/flows/3791898c-6234-4c57-a860-92a8e6c616fc/triggers/6b5c0082-37ab-459b-9912-8228ccb43a15"
# --------------- Helpers that build all of the responses ----------------------
def build_speechlet_response(output):
return {
@jamesbulpin
jamesbulpin / testcalib.html
Created December 22, 2016 14:43
Test calibration of LED positions by overlaying the detected coordinates onto an image
<html>
<head>
<meta charset="UTF-8">
<script>
// Paste in the non-normalised values returned by calib.py here
data = [[201.1764705882353, 796.08823529411768], [154.34146341463415, 838.92682926829264], [195.52338129496403, 803.62050359712225], [162.18309859154928, 885.72769953051647], [249.05550883095037, 908.5063078216989], [259.26624068157616, 903.87539936102235], [270.16627634660421, 898.05386416861825], [357.83127317676144, 854.56736711990106], [366.65263157894736, 835.80902255639103], [360.58999999999997, 878.75], [417.25539257981018, 896.20793787748062], [430.98823529411766, 849.07486631016047], [456.93965517241378, 859.64224137931035], [497.92769230769233, 833.42769230769227], [553.3029576338929, 797.28137490007998], [628.92672919109032, 826.33645955451345], [519.38479809976252, 753.271971496437], [469.18218623481783, 744.14574898785429], [476.93782929399367, 743.97365648050584], [468.42764227642277, 737.34905149051485], [396.6270783847981, 786.3990498812351], [388.17771084337352, 803.02108433734941], [
@jamesbulpin
jamesbulpin / calib.py
Created December 22, 2016 14:38
Quick and dirty script to get X-Y coordinates of WS2811 LEDSs using a webcam
#!/usr/bin/python
import threading
import sys
import os
import shutil
import datetime
import subprocess
import signal
import time
import math
@jamesbulpin
jamesbulpin / ws2811.js
Created December 18, 2016 21:48
Hacked up WS2811 LED connector for Octoblu
var ws281x = require('rpi-ws281x-native');
var meshblu = require('meshblu');
var meshbluJSON = require("./meshblu.json");
var tinycolor = require("tinycolor2");
var mic = require('microphone');
var VUMeter = require('vu-meter')
// Specifies how you want your message payload to be passed
// from Octoblu to your device
var MESSAGE_SCHEMA = {
@jamesbulpin
jamesbulpin / skill.py
Created December 18, 2016 20:44
Alexa Smart Home Skill adapter to talk to Octoblu
import urllib
import urllib2
octoblu_trigger_start = "https://triggers.octoblu.com/v2/flows/16ddf358-c562-11e6-9d9d-cec0c932ce01/triggers/2f9ab37c-c562-11e6-9d9d-cec0c932ce01"
octoblu_trigger_stop = "https://triggers.octoblu.com/v2/flows/16ddf358-c562-11e6-9d9d-cec0c932ce01/triggers/24d91730-c562-11e6-9d9d-cec0c932ce01"
def lambda_handler(event, context):
access_token = event['payload']['accessToken']
if event['header']['namespace'] == 'Alexa.ConnectedHome.Discovery':
@jamesbulpin
jamesbulpin / lambda.py
Created December 4, 2016 13:48
Alexa smart home skill adapter to send MQTT messages via Octoblu
import urllib
import urllib2
octoblu_trigger = "https://triggers.octoblu.com/v2/flows/01234567-89ab-cdef-0123-456789abcdef/triggers/01234567-89ab-cdef-0123-456789abcdef"
def lambda_handler(event, context):
access_token = event['payload']['accessToken']
if event['header']['namespace'] == 'Alexa.ConnectedHome.Discovery':
return handleDiscovery(context, event)
@jamesbulpin
jamesbulpin / hue.js
Created December 4, 2016 11:49
Service to control Philips Hue lights in response to MQTT messages
require('es6-promise').polyfill();
var hue = require("node-hue-api"),
HueApi = hue.HueApi,
lightState = hue.lightState;
var mqtt = require('mqtt');
var schedule = require('node-schedule');
// Exit once an hour to force a re-read of the Hue lights list
var j = schedule.scheduleJob(new Date((new Date()).getTime()+3600000), function() {
console.log("[" + new Date() + "] " + "Exiting after pre-set delay.");
@jamesbulpin
jamesbulpin / lwrf.js
Created December 4, 2016 11:47
Service to control LightwaveRF devices in response to MQTT messages
var LightwaveRF = require("lightwaverf");
var mqtt = require('mqtt');
var config_lwrf = require("../config/config_lwrf.js");
var lw = new LightwaveRF({ip:config_lwrf.LWRFIP});
function LWRFController(lw) {
this.timeout = 100;
this.queue = [];
this.ready = true;