Food dispenser

Hi, I'm going out on vacation for a week and I'm searching for a way to automatically give food to my fish with the lid of the tank closed (if it's open there is no light, the LED is attached to the lid)...

Hi, I'm going out on vacation for a week and I'm searching for a way to automatically give food to my fish with the lid of the tank closed (if it's open there is no light, the LED is attached to the lid)...