...and it's powered by a 555 timer. https://hackaday.com/2021/09/23/the-most-important-device-in-the-universe-is-powered-by-a-555-timer/ https://hackaday.com/2

...and it's powered by a 555 timer. https://hackaday.com/2021/09/23/the-most-important-device-in-the-universe-is-powered-by-a-555-timer/ https://hackaday.com/2021/09/23/the-most-important-device-in...