![]() 100dollarhacker has updated the log for Tesla Coil - Scientific way.This ( WOpet Automatic Cat Feeder) is one of the top choices.Peter Mac has updated the log for The WorkBook Laptop (ThinkPad x Framework 16).Peter Mac has updated components for the project titled The WorkBook Laptop (ThinkPad x Framework 16).Supplyframe DesignLab has updated the project titled PCB Lamp Workshop - Arduino Edition.Tony liked PolyKybd (Displays In Your Keycaps).Nguyễn Phương Duy has updated details to CYOCrawler: Open-source quadrupedal robot. ![]() Nguyễn Phương Duy has updated components for the project titled CYOCrawler: Open-source quadrupedal robot.Nguyễn Phương Duy has updated the project titled CYOCrawler: Open-source quadrupedal robot.Chris on Review: LibrePCB Hits Version 1.0.The Commenter Formerly Known As Ren on Now ChatGPT Can Make Breakfast For Me.The Commenter Formerly Known As Ren on 2023 Halloween Hackfest: Flickering Pumpkin Pin Is Solidly Built.Clemmitt M Sigler on Why Walking Tanks Never Became A Thing.Tim on At Last! Faster OpenSCAD Rendering Is On The Horizon.Pat on Using 5V Programmable Logic Here In The 2020s.reg on One-String, One-Trick Pony Plays “the Lick”.gregg4 on Using 5V Programmable Logic Here In The 2020s.localroger on Computer Space Replica Is Up And Running.Posted in Arduino Hacks, home hacks, Microcontrollers Tagged automation, cat feeder, load cell, scale, stepper motor Post navigation They say it’s the most sincere form of flattery. If nothing else, of all the feeders we’ve seen, this one is probably the most likely to get cloned and sold commercially. But we can’t help but be impressed with how normal this build looks. Over the years we’ve seen an incredible array of automatic cat feeders, some of which featuring the sort of in-depth metrics possible when you’ve got on onboard scale. Being online also means the feeder can pull the time from NTP, so kitty’s mealtime will always be on the dot. A small OLED on the side of the feeder gives some basic information like the time until the next feeding and the dispensed weight, but there’s also a simple API that lets you talk to the device over the network. The food is dispensed with a NEMA 17, and a 28-BYJ48 stepper is in charge of moving the lid. In terms of electronics, the feeder’s primary control comes from an ESP8266 (specifically, the Wemos D1 Mini), though also has a Arduino Pro Mini onboard so there’s a few more GPIO pins to play with. Of course, this does depend on the particular feline you’re dealing with. Though at the current size, it’s already packing around a week’s worth of food. To prevent any curious paws from getting into the machine while it’s doling out the food, the lid will automatically open and close during the filling process, complete with optical sensors to confirm that it moved as expected.Īll of the major components of the feeder were printed out on a Prusa i3 MK3S, and says that the feed hopper can be scaled vertically if necessary. This allows the feeder to do things such as detect jams or send an alert once it runs out of food, as well as easily adjust how much is dispensed according to the animal’s dietary needs. The defining feature of the project is a load cell located under the bowl, which allows the device to accurately measure out how much feed is being dispensed by weight. It packs in far more sensors and functions than its simple and sleek outward appearance might suggest, to the point that we think this build might just set the standard for future projects. This automatic cat feeder built by is a perfect example of the principle. We often like to say that if something is worth doing, then it’s worth overdoing.
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