Coin Counting Piggy Bank Full Kit with Arduino Uno & IR Sensor
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Prices updated: 13 Oct 2026
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About this product
Full kit for a smart piggy bank that counts coins passing an IR sensor placed beside the slot. Each coin breaks the beam and increases the count, which is shown on a number display. The total is saved in the Arduino's EEPROM and survives power loss. The project counts coins only and does not recognise coin values.
Specifications
- Board
- Arduino Uno
- Sensor
- IR infrared sensor
- Count storage
- Arduino EEPROM
- Display
- Number display
- Key concept
- Edge detection
- Recommended age
- 10–12 years
- Soldering
- No
- Kit version
- Full kit (with board and cable)
Frequently asked questions
Does the count stay when the board is unplugged?
Yes. The listing states the count is stored in the Arduino's EEPROM, which keeps data without power, so the total remains after the power is disconnected.
What do I need to run this project?
You need a computer with the Arduino IDE to upload the code. The project uses edge detection and EEPROM storage, as described in the listing, so the sketch must be uploaded before the counter works.
