CAUTION: I will not responsible for any damage that you faced. FYI, I not really an expert on calculating voltage value and electrical. So, please advise me for any parts that can be harmful.
In this tutorial, I just only show on electronically and programming parts. On the piggy bank’s designing, I leave it to you how to design it.
STEP 1: PARTS and TOOLS
Parts and Components:
- Coin Acceptor with programmable 4 coin from Adafruit – [Malaysia local store]
- Arduino UNO R3
- Jumper Wires
- 16×2 RGB LCD can get it from Adafruit – [Malaysia local store]
- 2.1mm Power Adapter 12v 1A
- Soldering Iron