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Descrição
This is a little project i've been working on recently. It is indeed an automatic fish feeder. The goal was simple, make a consistent and easy to print feeder. After a few generations I can finally say that I have a working model. All parts print without supports and complexity is kept to a minimum.
In order to build this feeder I've made a build video and the parts needed are listed below.
Make sure to print the tolerance test first because every printer is unique and your parts might not fit properly. The 2 parts should fit really snug (almost a press fitting)
For the arduino I used a case by hakui033: https://www.thingiverse.com/thing:1441839 Btw I know that I shouldn't power the servo directly of the arduino, but this is temporary. I am not an expert in arduino coding but I managed to make a really simple program. Feel free to make a better program and if you do let me know ;)
program (put a # before include):
include < Servo.h >
Servo myservo;
int pos = 0;
void setup() { myservo.attach(9); }
void loop()
{
myservo.write(85);
delay(2000);
myservo.write(90);
delay(86400000);
}
Parts to buy:
arduino uno r3
2x M4x10 bolt 2x M5x10 bolt 2x M5x16 bolt (max bolthead height up to 3.2 mm) 2x M5x20 bolt
2x M4 nut 2x M5 nut
