Hackaday and Digi-Key have partnered on this contest inviting participants to design something cool that uses the 555 timer chip or one of its variants (556, 558, low power versions, etc.), or even build your own 555 from discrete components. If it has the classic 555 circuit as a central part of the design, it’s fair game.
You are not limited only using 555s, but the timer chip should be central to the circuit. In other words, we don’t want to see a design where the 555 just plays an ancillary role. The timer chip should be the point of the design.
Timeline
Start date: December 1st, 2021 9 AM PST
End date: January 10th, 2022 12 PM (noon) PST
Winners will be announced mid-January.
Rewards
Three top projects will be awarded a $150 shopping spree to Digi-Key.
Participants can register here.

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