diff --git a/app/lib/ui/devices.js b/app/lib/ui/devices.js
index 4856b19..e403de7 100644
--- a/app/lib/ui/devices.js
+++ b/app/lib/ui/devices.js
@@ -1,252 +1,243 @@
-const devices = {};
-
-devices.init = function () {
-	'use strict';
-	devices.listen();
-	devices.profiles();
-	gui.overlay(true);
-	gui.spinner(true, 'Checking for connected devices...');
-};
-devices.profiles = function () {
-	'use strict';
-	const keys = Object.keys(cfg.profiles);
-	const elem = $('#profile')
-	let opt;
-	elem.empty();
-	for (let key of keys) {
-		opt = $('<option>');
-		opt.val(key);
-		opt.text(cfg.profiles[key].label);
-		elem.append(opt);
-	}
-	elem.on('change', (t) => {
-		devices.profile($('#profile').val());
-	});
-};
-devices.profile = function (profile) {
-	'use strict';
-	log.info(`Changed configuration profile to "${profile}"`, 'DEVICES', true, true);
-	const p = cfg.profiles[profile];
-	const keys = Object.keys(p);
-	for (let key of keys) {
-		cfg[key] = keys[key]
-	}
-	if (typeof p.light !== 'undefined' && p.light === false) {
-		light.disable();
-	} else {
-		light.enable();
-	}
-	ipcRenderer.send('profile', { profile })
-};
-devices.listen = function () {
-	'use strict';
-	ipcRenderer.on('ready', devices.ready);
-	ipcRenderer.on('intval', devices.intvalCb);
-	ipcRenderer.on('filmout', devices.digitalCb);
-};
-devices.ready = function (event, arg) {
-	'use strict';
-	//console.dir(arg)
-	let opt;
-	let devs = [];
-	let notify = 'Connected to ';
-	let p;
-	gui.spinner(false);
-	gui.overlay(false);
-	for (let i in arg) {
-		devs.push(arg[i].arduino);
-		if (arg[i].arduino && arg[i].arduino !== '/dev/fake') {
-			if (notify === 'Connected to ') {
-				notify += arg[i].arduino + ' '
-			} else {
-				notify += `& ${arg[i].arduino}`
-			}
-		}
-		opt = $('<option>');
-		opt.val(`ARDUINO_${arg[i].arduino}`);
-		opt.text(arg[i].arduino);
-		$(`#${i}_device`).empty();
-		$(`#${i}_device`).append(opt);
-	}
-	if (notify !== 'Connected to ') {
-		gui.notify('DEVICES', notify);
-	} else {
-		gui.notify('DEVICES', 'Connected to mock devices')
-	}
-	if (devs.length > 0) {
-		$('#devices').empty();
-		for (let i of devs) {
-			opt = $('<option>');
-			opt.val(i);
-			opt.text(i);
-			$('#devices').append(opt);
-		}
-	}
-	if (arg && arg.profile) {
-		$('#profile').val(arg.profile)
-		log.info(`Using configuration profile "${arg.profile}"`, 'DEVICES', true, true);
-		p = cfg.profiles[arg.profile];
-		if (typeof p.light !== 'undefined' && p.light === false) {
-			light.disable();
-		} else {
-			light.enable();
-		}
-		//devices.profile(arg.profile)
-	}
-
-	seq.set(0, cfg.cmd.camera_forward);
-	seq.set(1, cfg.cmd.projector_forward);
-	grid.state(0);
-	grid.state(1);
-	seq.stats();
-	
-	if (arg.projector_second) {
-		//add second row of projector pads to grid
-		proj.second.enable();
-	}
-	if (arg.camera_second) {
-		//add second row of camera pads to grid
-		cam.second.enable();
-	}
-	return event.returnValue = true;
-};
-
-devices.intval = function () {
-	'use strict';
-	const url = $('#intval').val();
-	let proceed = false;
-	let obj = {
-		connect: true,
-		url : url
-	};
-	if ( url !== '' && typeof url !== 'undefined') {
-		proceed = confirm(`Are you sure you want to connect to INTVAL3 @ ${url}?`);
-	} else {
-		alert('Cannot connect to INTVAL3 url as entered.');
-	}
-	
-	if (proceed) {
-		gui.overlay(true);
-		gui.spinner(true, `Connecting to INTVAL3 @ ${url}`);
-		ipcRenderer.send('intval', obj);
-	} else {
-		$('#camera_type_arduino').prop('checked', 'checked');
-		$('#intval').removeClass('active');
-	}
-};
-
-devices.intvalCb = function (evt, args) {
-	'use strict';
-	let state;
-	gui.spinner(false);
-	gui.overlay(false);
-	if (args.connected && args.connected === true) {
-		//success state
-		state = JSON.parse(args.state);
-		cam.pos = state.counter;
-		cam.dir = state.frame.dir;
-		$('#intval').val(args.url);
-		$('#intval').addClass('active');
-		$('#camera_type_intval').prop('checked', 'checked');
-		gui.notify('DEVICES', `Connected to INTVAL3 @ ${args.url}`)
-		gui.updateState()
-	} else {
-		$('#camera_type_arduino').prop('checked', 'checked');
-		$('#intval').removeClass('active');
-	}
-};
-
-devices.digitalSelect = function () {
-	'use strict';
-	const elem = $('#digital');
-	const extensions =  ['mpg', 'mpeg', 'mov', 'mkv', 'avi', 'mp4'];
-	dialog.showOpenDialog({
-		title : `Select video or image sequence`,
-        properties : [`openFile`], // openDirectory, multiSelection, openFile
-        defaultPath: 'c:/',
-        filters : [
-            {
-                name: 'All Files',
-                extensions: ['*']
-            },
-        ]
-    }, (files) => {
-    	let valid = false;
-    	console.dir(files)
-    	let path = files[0];
-    	let displayName;
-		if (path && path !== '') {
-			for (let ext of extensions) {
-				if (path.toLowerCase().indexOf(`.${ext}`) !== -1) {
-					valid = true;
-				}
-			}
-			if (!valid) return false;
-			log.info(`Selected video ${path.split('/').pop()}`, 'DIGITAL', true);
-			elem.attr('data-file', path);
-			displayName = path.split('/').pop()
-			elem.val(displayName);
-			$('#video_file').val(displayName);
-		}
-    })
+'use strict';
+let devices;
+class Devices {
+    constructor() {
+        this.id = 'devices';
+        this.init();
+    }
+    init() {
+        this.listen();
+        this.profiles();
+        gui.overlay(true);
+        gui.spinner(true, 'Checking for connected devices...');
+    }
+    listen() {
+        ipcRenderer.on('ready', this.ready.bind(this));
+        ipcRenderer.on('intval', this.intvalCb.bind(this));
+        ipcRenderer.on('digital', this.digitalCb.bind(this));
+    }
+    ready(event, arg) {
+        //console.dir(arg)
+        let opt;
+        let devs = [];
+        let notify = 'Connected to ';
+        let p;
+        gui.spinner(false);
+        gui.overlay(false);
+        for (let i in arg) {
+            devs.push(arg[i].arduino);
+            if (arg[i].arduino && arg[i].arduino !== '/dev/fake') {
+                if (notify === 'Connected to ') {
+                    notify += arg[i].arduino + ' ';
+                }
+                else {
+                    notify += `& ${arg[i].arduino}`;
+                }
+            }
+            opt = $('<option>');
+            opt.val(`ARDUINO_${arg[i].arduino}`);
+            opt.text(arg[i].arduino);
+            $(`#${i}_device`).empty();
+            $(`#${i}_device`).append(opt);
+        }
+        if (notify !== 'Connected to ') {
+            gui.notify('DEVICES', notify);
+        }
+        else {
+            gui.notify('DEVICES', 'Connected to mock devices');
+        }
+        if (devs.length > 0) {
+            $('#devices').empty();
+            for (let i of devs) {
+                opt = $('<option>');
+                opt.val(i);
+                opt.text(i);
+                $('#devices').append(opt);
+            }
+        }
+        if (arg && arg.profile) {
+            $('#profile').val(arg.profile);
+            log.info(`Using configuration profile "${arg.profile}"`, 'DEVICES', true, true);
+            p = cfg.profiles[arg.profile];
+            if (typeof p.light !== 'undefined' && p.light === false) {
+                light.disable();
+            }
+            else {
+                light.enable();
+            }
+            //devices.profile(arg.profile)
+        }
+        seq.set(0, cfg.cmd.camera_forward);
+        seq.set(1, cfg.cmd.projector_forward);
+        grid.state(0);
+        grid.state(1);
+        seq.stats();
+        if (arg.projector_second) {
+            //add second row of projector pads to grid
+            proj.second.enable();
+        }
+        if (arg.camera_second) {
+            //add second row of camera pads to grid
+            cam.second.enable();
+        }
+        return event.returnValue = true;
+    }
+    profiles() {
+        const keys = Object.keys(cfg.profiles);
+        const elem = $('#profile');
+        let opt;
+        elem.empty();
+        for (let key of keys) {
+            opt = $('<option>');
+            opt.val(key);
+            opt.text(cfg.profiles[key].label);
+            elem.append(opt);
+        }
+        elem.on('change', (t) => {
+            const val = $('#profile').val();
+            this.profile(val);
+        });
+    }
+    profile(profile) {
+        log.info(`Changed configuration profile to "${profile}"`, 'DEVICES', true, true);
+        const p = cfg.profiles[profile];
+        const keys = Object.keys(p);
+        for (let key of keys) {
+            cfg[key] = keys[key];
+        }
+        if (typeof p.light !== 'undefined' && p.light === false) {
+            light.disable();
+        }
+        else {
+            light.enable();
+        }
+        ipcRenderer.send('profile', { profile });
+    }
+    intval() {
+        const url = $('#intval').val();
+        let proceed = false;
+        let obj = {
+            connect: true,
+            url: url
+        };
+        if (url !== '' && typeof url !== 'undefined') {
+            proceed = confirm(`Are you sure you want to connect to INTVAL3 @ ${url}?`);
+        }
+        else {
+            alert('Cannot connect to INTVAL3 url as entered.');
+        }
+        if (proceed) {
+            gui.overlay(true);
+            gui.spinner(true, `Connecting to INTVAL3 @ ${url}`);
+            ipcRenderer.send('intval', obj);
+        }
+        else {
+            $('#camera_type_arduino').prop('checked', 'checked');
+            $('#intval').removeClass('active');
+        }
+    }
+    intvalCb(evt, args) {
+        let state;
+        gui.spinner(false);
+        gui.overlay(false);
+        if (args.connected && args.connected === true) {
+            //success state
+            state = JSON.parse(args.state);
+            cam.pos = state.counter;
+            cam.dir = state.frame.dir;
+            $('#intval').val(args.url);
+            $('#intval').addClass('active');
+            $('#camera_type_intval').prop('checked', 'checked');
+            gui.notify('DEVICES', `Connected to INTVAL3 @ ${args.url}`);
+            gui.updateState();
+        }
+        else {
+            $('#camera_type_arduino').prop('checked', 'checked');
+            $('#intval').removeClass('active');
+        }
+    }
+    digitalSelect() {
+        const elem = $('#digital');
+        const extensions = ['mpg', 'mpeg', 'mov', 'mkv', 'avi', 'mp4'];
+        dialog.showOpenDialog({
+            title: `Select video or image sequence`,
+            properties: [`openFile`],
+            defaultPath: 'c:/',
+            filters: [
+                {
+                    name: 'All Files',
+                    extensions: ['*']
+                },
+            ]
+        }, (files) => {
+            let valid = false;
+            let path = files[0];
+            let displayName;
+            if (path && path !== '') {
+                for (let ext of extensions) {
+                    if (path.toLowerCase().indexOf(`.${ext}`) !== -1) {
+                        valid = true;
+                    }
+                }
+                if (!valid)
+                    return false;
+                log.info(`Selected video ${path.split('/').pop()}`, 'DIGITAL', true);
+                elem.attr('data-file', path);
+                displayName = path.split('/').pop();
+                elem.val(displayName);
+                $('#video_file').val(displayName);
+            }
+        });
+    }
+    digital() {
+        const elem = $('#digital');
+        const path = elem.attr('data-file');
+        const fileName = elem.val();
+        let proceed = false;
+        let obj = {
+            path,
+            fileName
+        };
+        if (path && path !== '') {
+            proceed = confirm(`Are you sure you want to use ${fileName}?`);
+        }
+        if (proceed) {
+            gui.overlay(true);
+            gui.spinner(true, `Getting info about ${fileName}`);
+            ipcRenderer.send('digital', obj);
+        }
+        else {
+            $('#projector_type_digital').prop('checked', 'checked');
+            $('#digital').removeClass('active');
+        }
+    }
+    digitalCb(evt, args) {
+        let state;
+        let color = [255, 255, 255];
+        gui.spinner(false);
+        gui.overlay(false);
+        if (args.valid && args.valid === true) {
+            //success state
+            state = JSON.parse(args.state);
+            $('#digital').addClass('active');
+            $('#projector_type_digital').prop('checked', 'checked');
+            gui.notify('DEVICES', `Using video ${state.fileName}`);
+            seq.set(0, 'PF');
+            grid.state(0);
+            seq.set(1, 'CF');
+            seq.setLight(1, color);
+            grid.state(1);
+            if (light.disabled) {
+                light.enable();
+            }
+            $('#seq_loop').val(`${state.frames - 1}`).trigger('change');
+            gui.updateState();
+        }
+        else {
+            $('#projector_type_digital').prop('checked', 'checked');
+            $('#digital').removeClass('active');
+        }
+    }
 }
-
-devices.digital = function () {
-	'use strict';
-	const elem = $('#digital');
-	const path = elem.attr('data-file');
-	const fileName = elem.val();
-	let proceed = false;
-	let obj = {
-		path,
-		fileName
-	}
-
-	if (path && path !== '') {
-		proceed = confirm(`Are you sure you want to use ${fileName}?`);
-	}
-	
-	if (proceed) {
-		gui.overlay(true);
-		gui.spinner(true, `Getting info about ${fileName}`);
-		ipcRenderer.send('filmout', obj)
-	} else {
-		$('#projector_type_digital').prop('checked', 'checked');
-		$('#digital').removeClass('active');
-	}
-};
-
-devices.digitalCb = function (evt, args) {
-	'use strict';
-	let state;
-	let color = [255,255,255];
-	gui.spinner(false);
-	gui.overlay(false);
-	if (args.valid && args.valid === true) {
-		//success state
-		state = JSON.parse(args.state);
-		$('#digital').addClass('active');
-		$('#projector_type_digital').prop('checked', 'checked');
-		gui.notify('DEVICES', `Using video ${state.fileName}`);
-
-		seq.set(0, 'PF');
-		grid.state(0);
-
-		seq.set(1, 'CF');
-		seq.setLight(1, color);
-		grid.state(1);
-
-		if (light.disabled) {
-			light.enable();
-		}
-
-		$('#seq_loop').val(`${state.frames - 1}`).trigger('change');
-
-		gui.updateState();
-	} else {
-		$('#projector_type_digital').prop('checked', 'checked');
-		$('#digital').removeClass('active');
-	}
-};
-
-module.exports = devices;
\ No newline at end of file
+devices = new Devices();
+module.exports = devices;
diff --git a/app/scripts/compile.sh b/app/scripts/compile.sh
index 59ace3b..4b7790c 100644
--- a/app/scripts/compile.sh
+++ b/app/scripts/compile.sh
@@ -3,3 +3,4 @@
 ./node_modules/.bin/tsc ./src/lib/ui/grid.ts --outFile ./lib/ui/grid.js --noImplicitAny --lib ES2017 --lib ES2016 --lib dom -t ES2016
 ./node_modules/.bin/tsc ./src/lib/ui/seq.ts --outFile ./lib/ui/seq.js --noImplicitAny --lib ES2017 --lib ES2016 --lib dom -t ES2016
 ./node_modules/.bin/tsc ./src/lib/ui/filmout.ts --outFile ./lib/ui/filmout.js --noImplicitAny --lib ES2017 --lib ES2016 --lib dom -t ES2016
+./node_modules/.bin/tsc ./src/lib/ui/devices.ts --outFile ./lib/ui/devices.js --noImplicitAny --lib ES2017 --lib ES2016 --lib dom -t ES2016
diff --git a/app/src/lib/ui/devices.ts b/app/src/lib/ui/devices.ts
index feba637..d1933c2 100644
--- a/app/src/lib/ui/devices.ts
+++ b/app/src/lib/ui/devices.ts
@@ -10,256 +10,264 @@ declare var log : any;
 declare var w2popup : any;
 declare var cam : any;
 declare var proj : any;
+declare var light : any;
+declare var grid : any;
+declare var ipcRenderer : any;
+declare var dialog : any;
 
-const devices = {};
+let devices : Devices;
 
-devices.init = function () {
-	'use strict';
-	devices.listen();
-	devices.profiles();
-	gui.overlay(true);
-	gui.spinner(true, 'Checking for connected devices...');
-};
-devices.profiles = function () {
-	'use strict';
-	const keys = Object.keys(cfg.profiles);
-	const elem = $('#profile')
-	let opt;
-	elem.empty();
-	for (let key of keys) {
-		opt = $('<option>');
-		opt.val(key);
-		opt.text(cfg.profiles[key].label);
-		elem.append(opt);
+class Devices {
+	private id : string = 'devices';
+	constructor () {
+		this.init();
 	}
-	elem.on('change', (t) => {
-		devices.profile($('#profile').val());
-	});
-};
-devices.profile = function (profile) {
-	'use strict';
-	log.info(`Changed configuration profile to "${profile}"`, 'DEVICES', true, true);
-	const p = cfg.profiles[profile];
-	const keys = Object.keys(p);
-	for (let key of keys) {
-		cfg[key] = keys[key]
+	init () {
+		this.listen();
+		this.profiles();
+		gui.overlay(true);
+		gui.spinner(true, 'Checking for connected devices...');
 	}
-	if (typeof p.light !== 'undefined' && p.light === false) {
-		light.disable();
-	} else {
-		light.enable();
+	listen () {
+		ipcRenderer.on('ready', this.ready.bind(this));
+		ipcRenderer.on('intval', this.intvalCb.bind(this));
+		ipcRenderer.on('digital', this.digitalCb.bind(this));
 	}
-	ipcRenderer.send('profile', { profile })
-};
-devices.listen = function () {
-	'use strict';
-	ipcRenderer.on('ready', devices.ready);
-	ipcRenderer.on('intval', devices.intvalCb);
-	ipcRenderer.on('digital', devices.digitalCb);
-};
-devices.ready = function (event, arg) {
-	'use strict';
-	//console.dir(arg)
-	let opt;
-	let devs = [];
-	let notify = 'Connected to ';
-	let p;
-	gui.spinner(false);
-	gui.overlay(false);
-	for (let i in arg) {
-		devs.push(arg[i].arduino);
-		if (arg[i].arduino && arg[i].arduino !== '/dev/fake') {
-			if (notify === 'Connected to ') {
-				notify += arg[i].arduino + ' '
-			} else {
-				notify += `& ${arg[i].arduino}`
+
+	ready (event : any, arg : any) {
+		//console.dir(arg)
+		let opt : any;
+		let devs : any[] = [];
+		let notify : string = 'Connected to ';
+		let p : any;
+
+		gui.spinner(false);
+		gui.overlay(false);
+
+		for (let i in arg) {
+			devs.push(arg[i].arduino);
+			if (arg[i].arduino && arg[i].arduino !== '/dev/fake') {
+				if (notify === 'Connected to ') {
+					notify += arg[i].arduino + ' '
+				} else {
+					notify += `& ${arg[i].arduino}`
+				}
+			}
+			opt = $('<option>');
+			opt.val(`ARDUINO_${arg[i].arduino}`);
+			opt.text(arg[i].arduino);
+			$(`#${i}_device`).empty();
+			$(`#${i}_device`).append(opt);
+		}
+
+		if (notify !== 'Connected to ') {
+			gui.notify('DEVICES', notify);
+		} else {
+			gui.notify('DEVICES', 'Connected to mock devices')
+		}
+
+		if (devs.length > 0) {
+			$('#devices').empty();
+			for (let i of devs) {
+				opt = $('<option>');
+				opt.val(i);
+				opt.text(i);
+				$('#devices').append(opt);
 			}
 		}
-		opt = $('<option>');
-		opt.val(`ARDUINO_${arg[i].arduino}`);
-		opt.text(arg[i].arduino);
-		$(`#${i}_device`).empty();
-		$(`#${i}_device`).append(opt);
-	}
-	if (notify !== 'Connected to ') {
-		gui.notify('DEVICES', notify);
-	} else {
-		gui.notify('DEVICES', 'Connected to mock devices')
-	}
-	if (devs.length > 0) {
-		$('#devices').empty();
-		for (let i of devs) {
-			opt = $('<option>');
-			opt.val(i);
-			opt.text(i);
-			$('#devices').append(opt);
+
+		if (arg && arg.profile) {
+			$('#profile').val(arg.profile)
+			log.info(`Using configuration profile "${arg.profile}"`, 'DEVICES', true, true);
+			p = cfg.profiles[arg.profile];
+			if (typeof p.light !== 'undefined' && p.light === false) {
+				light.disable();
+			} else {
+				light.enable();
+			}
+			//devices.profile(arg.profile)
 		}
+
+		seq.set(0, cfg.cmd.camera_forward);
+		seq.set(1, cfg.cmd.projector_forward);
+		grid.state(0);
+		grid.state(1);
+		seq.stats();
+		
+		if (arg.projector_second) {
+			//add second row of projector pads to grid
+			proj.second.enable();
+		}
+		if (arg.camera_second) {
+			//add second row of camera pads to grid
+			cam.second.enable();
+		}
+		return event.returnValue = true;
 	}
-	if (arg && arg.profile) {
-		$('#profile').val(arg.profile)
-		log.info(`Using configuration profile "${arg.profile}"`, 'DEVICES', true, true);
-		p = cfg.profiles[arg.profile];
+
+	profiles () {
+		const keys : string[] = Object.keys(cfg.profiles);
+		const elem : any = $('#profile')
+		let opt;
+		elem.empty();
+		for (let key of keys) {
+			opt = $('<option>');
+			opt.val(key);
+			opt.text(cfg.profiles[key].label);
+			elem.append(opt);
+		}
+		elem.on('change', (t : any) => {
+			const val : string = $('#profile').val() as string;
+			this.profile(val);
+		});
+	}
+
+	profile (profile : string) {
+		log.info(`Changed configuration profile to "${profile}"`, 'DEVICES', true, true);
+		const p : any = cfg.profiles[profile];
+		const keys : any[] = Object.keys(p);
+		for (let key of keys) {
+			cfg[key] = keys[key]
+		}
 		if (typeof p.light !== 'undefined' && p.light === false) {
 			light.disable();
 		} else {
 			light.enable();
 		}
-		//devices.profile(arg.profile)
+		ipcRenderer.send('profile', { profile })
 	}
 
-	seq.set(0, cfg.cmd.camera_forward);
-	seq.set(1, cfg.cmd.projector_forward);
-	grid.state(0);
-	grid.state(1);
-	seq.stats();
-	
-	if (arg.projector_second) {
-		//add second row of projector pads to grid
-		proj.second.enable();
-	}
-	if (arg.camera_second) {
-		//add second row of camera pads to grid
-		cam.second.enable();
-	}
-	return event.returnValue = true;
-};
+	intval () {
+		const url : string = $('#intval').val() as string;
+		let proceed : boolean = false;
+		let obj : any = {
+			connect: true,
+			url : url
+		};
 
-devices.intval = function () {
-	'use strict';
-	const url = $('#intval').val();
-	let proceed = false;
-	let obj = {
-		connect: true,
-		url : url
-	};
-	if ( url !== '' && typeof url !== 'undefined') {
-		proceed = confirm(`Are you sure you want to connect to INTVAL3 @ ${url}?`);
-	} else {
-		alert('Cannot connect to INTVAL3 url as entered.');
-	}
-	
-	if (proceed) {
-		gui.overlay(true);
-		gui.spinner(true, `Connecting to INTVAL3 @ ${url}`);
-		ipcRenderer.send('intval', obj);
-	} else {
-		$('#camera_type_arduino').prop('checked', 'checked');
-		$('#intval').removeClass('active');
-	}
-};
-
-devices.intvalCb = function (evt, args) {
-	'use strict';
-	let state;
-	gui.spinner(false);
-	gui.overlay(false);
-	if (args.connected && args.connected === true) {
-		//success state
-		state = JSON.parse(args.state);
-		cam.pos = state.counter;
-		cam.dir = state.frame.dir;
-		$('#intval').val(args.url);
-		$('#intval').addClass('active');
-		$('#camera_type_intval').prop('checked', 'checked');
-		gui.notify('DEVICES', `Connected to INTVAL3 @ ${args.url}`)
-		gui.updateState()
-	} else {
-		$('#camera_type_arduino').prop('checked', 'checked');
-		$('#intval').removeClass('active');
-	}
-};
-
-devices.digitalSelect = function () {
-	'use strict';
-	const elem = $('#digital');
-	const extensions =  ['mpg', 'mpeg', 'mov', 'mkv', 'avi', 'mp4'];
-	dialog.showOpenDialog({
-		title : `Select video or image sequence`,
-        properties : [`openFile`], // openDirectory, multiSelection, openFile
-        defaultPath: 'c:/',
-        filters : [
-            {
-                name: 'All Files',
-                extensions: ['*']
-            },
-        ]
-    }, (files) => {
-    	let valid = false;
-    	console.dir(files)
-    	let path = files[0];
-    	let displayName;
-		if (path && path !== '') {
-			for (let ext of extensions) {
-				if (path.toLowerCase().indexOf(`.${ext}`) !== -1) {
-					valid = true;
-				}
-			}
-			if (!valid) return false;
-			log.info(`Selected video ${path.split('/').pop()}`, 'DIGITAL', true);
-			elem.attr('data-file', path);
-			displayName = path.split('/').pop()
-			elem.val(displayName);
-			$('#video_file').val(displayName);
+		if ( url !== '' && typeof url !== 'undefined') {
+			proceed = confirm(`Are you sure you want to connect to INTVAL3 @ ${url}?`);
+		} else {
+			alert('Cannot connect to INTVAL3 url as entered.');
 		}
-    })
+		
+		if (proceed) {
+			gui.overlay(true);
+			gui.spinner(true, `Connecting to INTVAL3 @ ${url}`);
+			ipcRenderer.send('intval', obj);
+		} else {
+			$('#camera_type_arduino').prop('checked', 'checked');
+			$('#intval').removeClass('active');
+		}
+	}
+
+	intvalCb (evt : any, args : any) {
+		let state : any;
+		gui.spinner(false);
+		gui.overlay(false);
+		if (args.connected && args.connected === true) {
+			//success state
+			state = JSON.parse(args.state);
+			cam.pos = state.counter;
+			cam.dir = state.frame.dir;
+			$('#intval').val(args.url);
+			$('#intval').addClass('active');
+			$('#camera_type_intval').prop('checked', 'checked');
+			gui.notify('DEVICES', `Connected to INTVAL3 @ ${args.url}`)
+			gui.updateState()
+		} else {
+			$('#camera_type_arduino').prop('checked', 'checked');
+			$('#intval').removeClass('active');
+		}
+	}
+	digitalSelect () {
+		const elem : any = $('#digital');
+		const extensions : string[] =  ['mpg', 'mpeg', 'mov', 'mkv', 'avi', 'mp4'];
+		dialog.showOpenDialog({
+			title : `Select video or image sequence`,
+	        properties : [`openFile`], // openDirectory, multiSelection, openFile
+	        defaultPath: 'c:/',
+	        filters : [
+	            {
+	                name: 'All Files',
+	                extensions: ['*']
+	            },
+	        ]
+	    }, (files : string[]) => {
+	    	let valid : boolean = false;
+	    	let path : string = files[0];
+	    	let displayName : string;
+			if (path && path !== '') {
+				for (let ext of extensions) {
+					if (path.toLowerCase().indexOf(`.${ext}`) !== -1) {
+						valid = true;
+					}
+				}
+				if (!valid) return false;
+				log.info(`Selected video ${path.split('/').pop()}`, 'DIGITAL', true);
+				elem.attr('data-file', path);
+				displayName = path.split('/').pop()
+				elem.val(displayName);
+				$('#video_file').val(displayName);
+			}
+	    })
+	}
+	digital () {
+		const elem : any = $('#digital');
+		const path : string = elem.attr('data-file');
+		const fileName : string = elem.val();
+		let proceed : boolean = false;
+		let obj : any = {
+			path,
+			fileName
+		}
+
+		if (path && path !== '') {
+			proceed = confirm(`Are you sure you want to use ${fileName}?`);
+		}
+		
+		if (proceed) {
+			gui.overlay(true);
+			gui.spinner(true, `Getting info about ${fileName}`);
+			ipcRenderer.send('digital', obj)
+		} else {
+			$('#projector_type_digital').prop('checked', 'checked');
+			$('#digital').removeClass('active');
+		}
+	}
+	digitalCb (evt : any, args : any) {
+		let state : any;
+		let color : number[] = [255, 255, 255];
+		gui.spinner(false);
+		gui.overlay(false);
+		if (args.valid && args.valid === true) {
+			//success state
+			state = JSON.parse(args.state);
+			$('#digital').addClass('active');
+			$('#projector_type_digital').prop('checked', 'checked');
+			gui.notify('DEVICES', `Using video ${state.fileName}`);
+
+			seq.set(0, 'PF');
+			grid.state(0);
+
+			seq.set(1, 'CF');
+			seq.setLight(1, color);
+			grid.state(1);
+
+			if (light.disabled) {
+				light.enable();
+			}
+
+			$('#seq_loop').val(`${state.frames - 1}`).trigger('change');
+
+			gui.updateState();
+		} else {
+			$('#projector_type_digital').prop('checked', 'checked');
+			$('#digital').removeClass('active');
+		}
+	}
 }
 
-devices.digital = function () {
-	'use strict';
-	const elem = $('#digital');
-	const path = elem.attr('data-file');
-	const fileName = elem.val();
-	let proceed = false;
-	let obj = {
-		path,
-		fileName
-	}
-
-	if (path && path !== '') {
-		proceed = confirm(`Are you sure you want to use ${fileName}?`);
-	}
-	
-	if (proceed) {
-		gui.overlay(true);
-		gui.spinner(true, `Getting info about ${fileName}`);
-		ipcRenderer.send('digital', obj)
-	} else {
-		$('#projector_type_digital').prop('checked', 'checked');
-		$('#digital').removeClass('active');
-	}
-};
-
-devices.digitalCb = function (evt, args) {
-	'use strict';
-	let state;
-	let color = [255,255,255];
-	gui.spinner(false);
-	gui.overlay(false);
-	if (args.valid && args.valid === true) {
-		//success state
-		state = JSON.parse(args.state);
-		$('#digital').addClass('active');
-		$('#projector_type_digital').prop('checked', 'checked');
-		gui.notify('DEVICES', `Using video ${state.fileName}`);
-
-		seq.set(0, 'PF');
-		grid.state(0);
-
-		seq.set(1, 'CF');
-		seq.setLight(1, color);
-		grid.state(1);
-
-		if (light.disabled) {
-			light.enable();
-		}
-
-		$('#seq_loop').val(`${state.frames - 1}`).trigger('change');
-
-		gui.updateState();
-	} else {
-		$('#projector_type_digital').prop('checked', 'checked');
-		$('#digital').removeClass('active');
-	}
-};
+devices = new Devices();
 
 module.exports = devices;
\ No newline at end of file