The basic idea here is pretty simple: the clock only lights up when you blow on it.
The whole thing’s pretty simple to make usingchibitronics, but head over to Instructables for the full guide.
Sound activated Light for the Clock| Instructables
Make a Sound Activated Alarm Clock Light that Lights Up When You Want
Old alarm clocks are great if you don't like having your phone by your bedside, but it seems like they only have two options for the lights, on or off
