people, out of an overabundance of creativity or just a love of the game (or hate of the publishers components), make homemade versions of the game with exceptionally good components.
fairly simple DTMF decoder to control solenoid door unlocker and connected it to phone (in this case a cell phone). NOTE:CALLERID would save the phonecall as commented on the article
So how to combat with all those difficulties and save your time on these cleaning tasks? Do It Yourself.com has some (well over 150) tips, tricks and how-to on cleaning stains, items and rooms.
Weekend Project Podcast: Make simple radios to listen too. These were made with materials that they could get their hands on and were small enough to carry around in a big pocket.