![The DIY digital clock within a flash unit mounted on a camera.](https://petapixel.com/assets/uploads/2024/01/diy-raspberry-pi-pico-flash-unit-clock-300x157.jpg)
How a Photographer Built the Ultimate DIY Digital Clock Inside a Flash Unit
Finnish photographer Petri Damstén crafted a digital clock within a flash unit using a Raspberry Pi Pico, and it looks like a delightful accessory that many photographers would pay good money for.