![]() Both contain the Fusion 360 files if you want/need to modify any of the parts. zip folder contains two sets of STL files, one for the original SM22 servo motor that I used and another for the far more common SG90 servo. You're not going to get far without them.The. So, if you use flakes like me I highly recommend you grind them up to the point where they will all fit into the wheel in any orientation, and pay special attention to this if you're planning on leaving the tank unattended for a long period of time (like, more than a week), a clogged hopper will prevent your fish from being fed! In theory, any solid food should work, and I have found that unground flakes will clog the hopper. If the amount of food coming out is not enough, simply copy/paste the feeding code in the arduino to dump a second or third portion into the tank.Īs for the type of food, I've only tested it with ground-up fish flakes. The feeding mechanism is the same for all three tiers, so if the amount of food it meters out is too much for your tank, I've provided the CAD files from Fusion 360 for you to edit, simply reduce the size of the pocket in the feeder wheel to reduce the amount of food coming out. I have a betta and 5 neon tetras in a 13 gallon tank, one feeding cycle puts enough food into the tank for all of them. ![]() ![]() Use this if you're on a tight budget or, like me, you can't get Tier 2 working before you leave for a week and a half for the holidays. With this automatic fish feed is complete.Tier 1 is the most basic feeder. Connect the servo motor to the Arduino module in the following order: Brown = ground, red = 5V, Yellow = data (see picture). ![]()
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