Reddit reviews Z ZTDM Digital Timer Aquarium Automatic Food Portion Fish Feeder

The part I like most about my auto-feeder setup is that it will automatically dispense food at pre-determined times, or I can manually activate a feeding if I'm in front of the tank... and it skips the next scheduled feeding. At first I was going to use a stepper motor with some kind of dispensing cup... but quickly realized it would probably be expensive, and more difficult than a 'premade' solution... so I found this ...it's dirt cheap and works well... I hacked it open and found that there's a flat part on the rotating drum that activates a switch to tell it when to stop turning (it's too cheap for stepper motor). I cut the wire going to the switch and routed it to my relay (when the relay opens it fools the feeder into thinking its not in the correct position and it begins to rotate). I also hard wired DC power to it so I don't have to worry about batteries. I use New Life Spectrum Marine 1mm sinking pellets and they have never clogged the 'trap door'