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Coolest Functional LEGO ATM You've Ever Seen

submitted by TheFreak

1 decade 3 years 11 months 1 week ago

lego
, atm

A fully functional Lego NXT Automatic Teller Machine (ATM) with change making capability. The machine is built 100% from Lego® parts plus a HiTechnic IRLink and a Codatex RFID Sensor. The machine is programmed in Not eXactly C (NXC) and has the following features..

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
NXT buttons function as selectors for menu options displayed on-screen