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R5
Resistance
150 Ω
Q1
R4
Resistance
150 Ω
ROW_2
+5V
BUZZER
ROW_1
+5V
ROW_3
R3
Resistance
2.2kΩ
+5V
RED
*
0
8
5
GREEN
6
2
1
9
BZ1
7
#
3
4

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Keypad lock reference design

Keypad lock reference design thumbnail
This project involves the design of a keypad lock system. It utilizes an ATMEGA328P microcontroller, buzzers, LEDs for indicator functions and a 4x3 matrix keypad. An in-circuit serial programming (ISP) header is also present for programming the microcontroller. #project #Template #projectTemplate #lock #keypad #arduino #atmega328 #TPS613222A #ISP #buzzer #referenceDesign #simple-embedded #microchip #template #reference-design

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creativecommons.org/licenses/by/4.0/

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Qty 1

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