“You should have used a 555” has become a bit of a meme around these parts lately, and for good reason. There seems to be little that these ubiquitous chips can’t be used for, and in a world ...

If you’re not familiar with the 555 timer, suffice it to say that this versatile integrated circuit is probably the most successful ever designed, and has been used in countless designs ...

555 was an exchange combination that was not used very often in the American telephone system. You may get a wrong number, or no number at all. Narrator: An FCC contractor called the NANPA ...

Narrator: The short answer is that most 555 numbers are not working numbers, so real people won't be harassed if die-hard fans try to call them. - 55 was an exchange combination that was not used ...