100% functional LEGO ATM by Ronald McCrae. This bonafide brick bank performs the following functions:
Bill scanner can be calibrated to accept any type of banknote- Machine accepts only the type of bill for which it is calibrated
- Tolerances for bill acceptability are adjustable directly on-brick
- Viewable histogram compares calibration and live data from bill scanner
- Functional numeric keypad uses a combination of touch and light sensors
- Entire customer database is restored from flash memory at startup
- Customer database is automatically saved after each transaction
- ATM card is retained if wrong PIN code is entered three times
- ATM card is retained after a period of inactivity
- Coin and banknote value can be configured directly on-brick
- Uses a custom created 9x13 pixel rotated text font (pictured below)
- NXT buttons function as selectors for menu options displayed on-screen
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