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STD Arduino based door lock system

Arduino based door lock system

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Public Domain

License: Public Domain

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Update time: 2024-09-17 22:19:26
Creation time: 2023-10-17 17:35:10
Description

Description

In this system, I used a 4×4 keypad to enter a password consisting of 4 digits, and pressing the hashtag confirms it. If the password is correct, a green LED will light up for 5 seconds, as well as a servo motor will change its position from 0 degrees to 90 degrees. While the user is not interacting with the system, the red LED will keep blinking every 1 second to indicate that the system is locked.

Design Drawing

Design Drawing

schematic diagram
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ID Name Designator Footprint Quantity
1 10k R1 R0603 1
2 1k R2 R0603 1
3 220Ω R3 R0603 1
4 HDR-M-2.54_1x1 RX,TX,RST HDR-M-2.54_1X1 3 C81276
5 HDR-F-2.54_1x2 G-LED,R-LED HDR-F-2.54_1X2 2 C49661
6 47uF C2 CASE-A_3216 1
7 0.1uF C1 C0603 1
8 2700Hz BUZ BUZ-TH_BD12.0-P7.60-D0.6-FD 1 C360615
9 22pF C3,C4 C0603 2
10 HDR-M-2.54_1x8 PAD HDR-M-2.54_1X8 1 C190820
11 HDR-M-2.54_1x3 SRV HDR-M-2.54_1X3 1 C180248
12 ATMEGA328P-AU U1 TQFP-32_L7.0-W7.0-P0.80-LS9.0-BL 1 C14877
13 AMS1117-5.0 V-R SOT-223_L6.5-W3.5-P2.30-LS7.0-BR 1 C6187
14 16MHz X1 HC-49S_L11.4-W4.8 1 C111377

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Project Attachments

Project Attachments

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1

Arduino_based_door_lock_system_sketch.ino

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