Introduction: How to Make Arduino Piggy Bank
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About: Founder of letsmakeprojects.com...Sciency Guy who always try to make innovative projects,check out what i made in my instructable..
Hello readers in this instructable i will show you how to make arduino piggy bank
How it Works?
when u bring coin near the piggy bank the coin slot opens for sometime in that time duration the coin can be inserted which will be closed automatically ,this is an awesome science project idea for school students
Step 1: Video Tutorial
Hate reading?
watch this simple video tutorial
https://youtu.be/wedW3inIizQ
Step 2: Materials
- Mini Breadboard
- Ultrasonic Sensor
- Arduino mini
- Jumper Wires
- Cardboard Box
- Micro Servo
Step 3: Circuit Diagram and Arduino Code
For free circuit diagram and code for this project click here
Step 4: Programming
- Connect usb to laptop
- upload the code check previous step for code
Step 5: Finishing Up
- Test the working of micro servo
- connect everything to the box
- attach the battery(i have placed outside so it can be easily replaced)
- Micro servo is attached with piece of cardboard which is used to open and close coin slot is hot glued to cardboard
- Bring your hands near sensor and start saving money
https://youtu.be/wedW3inIizQ Watch this awesome working of project