Add global typescript d file to prevent compiler errors. It's a hack, yeah, yeah.

src/globals.d.ts

@@ -0,0 +1,9 @@
+declare module 'delay';
+declare module 'log';
+declare module 'intval';
+declare module 'electron';
+
+interface Arduino { 
+	send (id : string, cmd : string) : number;
+	string (id : string, str : string) : any;
+}