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osu_keypad_version_2.0 reference design (keypad-design) | Open App Note
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@lfscruuz
keypad-design
keypad-design
lfscruuz
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Components (13)
Reference
Value
Description
U1
ATmega32U4-A
USB2
Molex-0548190589
C1
1 uF
C2-C4
0.1uF
C5
10uF
C6,C7
22pF
D1-D4
SOD-123
F1
500mA
MX1-MX4
MX-NoLED
R1,R4
10k
R2,R3
22
SW1
SW_Push
Y1
16Mhz
keypad-design schematic
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keypad-design board