The conceptual project:
A device for electronic replacement of coins in shops.

1. Work principles:
- completely electronics;
- electro-mechanical.

2. Data exchange:
-InfraRed port;
-Bluetooth;
-Wi-Fi.

3. Delivery calculation in shop to 4-th sign.

4. The indicator of the rest of money.

5. The digital keyboard and buttons to "send and "receive."

Advantages:
- Replaces many coins and in a purse;
- That does not depend on cellular communication;
- Record of the additional information (medical, a drivers license, etc.) is possible;
- reduces the number of small coins in shops.

?perating conditions in Figure.