Introduction: The Feeder
This device has two modes, Timer and Sensor.
It can help owners who always forget about their pets!
Supplies
1.Arduino
2.DuPont Line
3.Breadboard
4.LED
5.Variable Resistor
6.Servomotor(SG90)
7.Ultrasonic Sensor(HC-SR04)
8.Disc
9.corrugated board
10.plastic bottle
11.Hot Melt Glue
Step 1: Cutting Material Spare
1.Cut off the top of the bottle and set aside.
2.Cutting corrugated boards and assembling them into feed troughs.
Step 2: Test Circuit and Program
Wire the components according to the programmed pins.
Variable resistance for switching modes.
Select two colors of LEDs to show which mode is current.
Step 3: Assembly
Attach feed chute to disk A.
Mount the servomotor on the B disk.
Mount the A disk on the servo motor and fix it to the base plate.
Positioning of leftover materials.
