Curriculum
Logical Operators (&&, ||, !)
Two-Button Security Lock using AND Operator
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Two-Way Doorbell System Using OR Operator
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Automatic Night Light Using NOT Operator
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Assignment 1:Smart LED Indicator
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Assignment 2 – Smart Alarm System
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Text lesson
circuit Connection
Circuit Connections
Push Button 1
| Arduino | Component |
|---|---|
| Pin 2 | Push Button 1 |
| GND | Other side of Push Button 1 |
Push Button 2
| Arduino | Component |
|---|---|
| Pin 3 | Push Button 2 |
| GND | Other side of Push Button 2 |
LED
| Arduino | Component |
|---|---|
| Pin 13 | LED Positive (Long Leg) |
| GND | LED Negative through 220Ω resistor |
Note: Since we are using
INPUT_PULLUP, no external resistors are needed for the push buttons.