A student in my media workshop works at a photolab and wants to make a project with the container filled with old disposable cameras. The flash is still working

A student in my media workshop works at a photolab and wants to make a project with the container filled with old disposable cameras. The flash is still working, so we built a small PCB that allows us to trigger the flash from a microcontroller. She is going to use that for a permanently flashing art sculpture (I made sure to inform her about epilepsy and her need to inform people before they are exposed to the sculpture). If you're photografing consider just getting a small second hand camera instead — less wasteful, better pics, even if you get a shitty camera.