Introduction: How to Make Arduino Piggy Bank
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
The circuit is made as per the image shown above
Step 4: Programming
- Connect usb to laptop
- upload the 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

Participated in the
Arduino Contest 2019
5 Discussions
9 months ago
can you please send me the code mop98915@gmail.com
Question 9 months ago
masterportal340@gmail.com please give me the coding thank you
1 year ago
I want a code do done this project please
Reply 10 months ago
please leave ur mail id...code will be shared to u..sorry for late response
Question 1 year ago on Step 2
Hello, very nice project. Just one question, where can i find the arduino code ? thanks :-)