If you’re not familiar with the 555 timer, suffice it to say that this versatile integrated circuit is probably ... or just want a fun weekend project. In my case, I came up with what is ...

A running joke we see in the comments by Hackaday readers whenever a project ... an Arduino or Raspberry Pi that seems like overkill is to proclaim that “I could have done it with a 555 timer!” ...

A Little Background First In this project, we’ll place the 555 timer into its “astable mode.” Also known as an astable multivibrator or a free-running multivibrator, in this mode the IC ...

This is a very simple touch sensor switch that is build with the 555 timer IC. You just need to touch the metal plate ... I love all about electronics, circuit diagrams and crazy projects that can ...

In this design, a classic 555 timer IC consumes zero current in its quiescent mode and wakes up quickly in a known state. Build your own signal-conditioning modules to provide the amount of voltage, ...

555 timers may be over 50 years old, but they’re still driving the latest electronics to hit the market and will continue in the next-gen devices on the horizon. Read about the secret life of ...