jamesbulpin’s gists

jamesbulpin / Program.cs

Created March 15, 2019 17:36

Quick test of a MQTT client to control PowerPoint slides

	using System;
	using System.Collections.Generic;
	using System.Linq;
	using System.Text;
	using System.Threading.Tasks;
	using MQTTnet;
	using MQTTnet.Client;
	using PPt = Microsoft.Office.Interop.PowerPoint;
	using System.Runtime.InteropServices;

jamesbulpin / server.py

Created March 13, 2019 17:35

Simple Python HTTP server that provides an API to turn Fitbit watch orientation data into commands to a pan-tilt unit

jamesbulpin / face.py

Created March 13, 2019 15:57

Simple (and fairly crap) face tracker for Raspberry Pi with a pan-tilt hat.

	import numpy as np
	import cv2
	import pantilthat
	import picamera

	pantilthat.pan(0)
	pantilthat.tilt(0)

	faceCascade = cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
	camera = picamera.PiCamera()

jamesbulpin / bauble.ino

Last active December 19, 2018 16:53

Sketch for the Christmas countdown bauble

	// Christmas tree bauble countdown timer for ESP8266 with 128x32 OLED display

	#include <Arduino.h>

	#include <ESP8266WiFi.h>
	#include <ESP8266WiFiMulti.h>
	#include <ESP8266HTTPClient.h>
	#include "SSD1306.h"
	#include <ArduinoJson.h>

jamesbulpin / ws2811v2.js

Created December 10, 2018 16:24

#IoTree MQTT version

	var ws281x = require('rpi-ws281x-native');
	var tinycolor = require("tinycolor2");
	var mqtt = require('mqtt');
	var font5x7 = require('./font.js');
	var fs = require('fs');
	try {
	var xy = require('./xy.json');
	}
	catch (ex) {
	var xy = null;

jamesbulpin / skill.json

Created November 25, 2018 19:19

Alexa skill definition for Cambridge bin collection query

jamesbulpin / lambda_function.py

Created November 25, 2018 19:17

Alexa skill handler for Cambridge bin collection query

	# Set environment variable BIN_CALENDAR_URL to the specific ical calendar for your postcode
	# https://refusecalendarapi.azurewebsites.net/calendar/ical/<id> where <id> can be found
	# interactively using https://www.cambridge.gov.uk/check-when-your-bin-will-be-emptied

	from urllib2 import urlopen
	from datetime import datetime, timedelta
	import os
	from ask_sdk_core.skill_builder import SkillBuilder
	from ask_sdk_core.dispatch_components import (
	AbstractRequestHandler, AbstractExceptionHandler,

jamesbulpin / package.json

Created July 15, 2018 21:00

jamesbulpin / piaudio.js

Created July 15, 2018 20:58

	var DeviceClient = require('azure-iot-device').Client
	var DeviceProtocol = require('azure-iot-device-amqp').AmqpWs;
	var exec = require('child_process').exec;
	var tempfile = require('tempfile');
	var fs = require('fs');
	var SerialPort = require("serialport");
	var request = require('request');

	var connectionString = "HostName=[...]";
	var azureCognitiveServicesAuthEndpoint = 'https://northeurope.api.cognitive.microsoft.com/sts/v1.0/issueToken';

jamesbulpin / azure-tts.js

Last active November 13, 2019 23:04

	var azureCognitiveServicesMainEndpoint = 'https://northeurope.tts.speech.microsoft.com/cognitiveservices/v1';

	function azureCallApi(text, callback) {
	var ssml = "<speak version='1.0' xmlns=\"http://www.w3.org/2001/10/synthesis\" xml:lang='en-US'>" +
	"<voice name='Microsoft Server Speech Text to Speech Voice (en-GB, George, Apollo)'>" +
	"<prosody rate=\"slow\">" +
	text +
	"</prosody>" +
	"</voice>" +
	"</speak>";

James Bulpin jamesbulpin