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Schematic

Layout

3D View

Schematic of Keypad lock Module isYa
R5
Resistance
150 Ω
R4
Resistance
150 Ω
R3
Resistance
2.2kΩ
A7
TXD/D1
Q1
A5/D19
A4/D18
A2/D16
D21
D20
RXD/D0
A6
A3/D17
D10
C8
Capacitance
0.1uF
U1
Manufacturer Part Number
ATMEGA328P-MU
RED
GREEN
BZ1

Keypad lock Module isYa