Friday, December 5, 2025

Contest: Hackaday 555 Timer

About the Challenge
Hackaday and Digi-Key have partnered on this contest inviting participants to design using the 555 timer chip or one of its variants (556, 558, low power versions, etc.), or even build  555 from discrete components. The final design is expected to have classic 555 circuit as a central part of the design.

However the participants are not limited to using 555s, but the timer chip should be central to the circuit.

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Timeline
Start date: 1 Dec 2021 9 AM PST
End date: 10 Jan 2022 12 PM 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.

Abbinaya Swathi
Abbinaya Swathi
Abbinaya Swathi is an engineer turned technology journalist with a sharp news sense and a passion for uncovering impactful stories. Her unique blend of technical knowledge and editorial insight allows her to break down complex tech topics with clarity and depth. Driven by a love for travel, networking, and staying at the pulse of innovation, Abbinaya thrives on discovering and reporting the stories that matter in the world of technology.

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