how to make multiple passwords to open a door using a keypad and Arduino.

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1. Arduino uno 👉 s.click.aliexpress.com/e/_EzM...
2. Keypad 4*4 👉 s.click.aliexpress.com/e/_EuV...
3. Servo motor 👉 s.click.aliexpress.com/e/_Eug...
4. Lcd display 16x2 👉 s.click.aliexpress.com/e/_EJ8...
#arduino #proteus #keypad #smartkembo #doorlock #simulation
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