This instructable will teach you to build a simple Arduino based Voting machine using simple components such as push buttons and LCD. The highlighting feature of this system is that Serial Monitor in Arduino IDE is used to perform the polling operation no other external applications needed. Key Features: Every step of polling operation will be under control of the supervisor. Password enabled security system. Poll results can be obtained instantly. Voter will be aware of the candidate he is voting for. Step 1: PARTS REQUIRED This simple project can be done with minimal components. The parts list are given below Arduino Uno - 1 16x2 LCD -1 Push Buttons - As required Potentiometer 100k - 1 Breadboard - 1 Connecting Wires - As required. Step 2: DESIGN The design of the voting machine was given here. The Arduino reads the keypad input by the process of Polling. A 16x2 LCD was connected to the PORTD in 4 bit mode. Thi...
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