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Files

Schematic

Layout

3D View

A7
TXD/D1
A5/D19
A4/D18
A2/D16
D21
D20
RXD/D0
A6
A3/D17
D10
R5
Resistance
150 Ω
C2
Capacitance
4.7uF
MOSI
MISO
SCK
C7
Capacitance
1uF
C6
Capacitance
1uF
ROW_3
RESET
R4
Resistance
150 Ω
COL_3
COL_1
RESET
ROW_4
ROW_2
BUZZER
MOSI
R1
Resistance
5.11kΩ
ROW_1
ROW_1
SCK
LED_G
RESET
ROW_3
R3
Resistance
2.2kΩ
LED_R
COL_2
MISO
LED_G
COL_1
ROW_2
C8
Capacitance
0.1uF
COL_2
LED_R
R2
Resistance
10kΩ
ROW_4
COL_3
BUZZER
Q1
L1
Not Recommended for New Designs
Inductance
2.2uH
U1
Manufacturer Part Number
ATMEGA328P-MU
+5V
RED
+5V
+5V
VBAT
+5V
C5
Capacitance
22uF
+5V
C1
Capacitance
120pF
GREEN
C4
Capacitance
22uF
C3
Capacitance
22uF
+5V
+5V
+5V
*
BAT1
0
RST
D1
8
5
IC1
6
2
1
9
7
#
3
4
ISP
BZ1

Keypad lock Module