Parking Disk with E-Paper Display
An Innovative Digital Replacement
Materials
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Bill of Materials
Component List
Resistors (0.25 W, 1%)
R1, R10, R12 = 330 Ω
R2, R4, R5, R6 = 10 k
R3, R8 = 5.6 k
R7 = 3.3 k
R9 = 100 Ω
R11 = 1 kΩ
Capacitors
C1, C3, C5 = 100 nF, 50 V polyester or multilayer ceramic capacitor
C2 = 100 µF, 10 V electrolytic capacitor
C4 = 470 nF, 50 V polyester or multilayer ceramic capacitor
Semiconductors
Q1 = IRLD024 Logic-level gate drive MOSFET
Q2 = BC546B
D1 = SS34 Low Drop Schottky diode
D2 = Blue LED 3 mm, Hi-Bright
D3 = Red LED 3 mm, Hi-Bright
U1 = ATmega328P-PU
U2 = DS3231M RTC, SO-8 Package
Miscellaneous
Y1 = 8 MHz Ceramic Resonator
BUZZER = Piezo-Electric Buzzer
SW1, SW2 = N.O. Push-button
F1 = Re-triggerable fuse (polyfuse) 250 mA
X1 = Micro-USB Socket type B
JP1 = 6-pin ICSP PCB Connector, M
JP2 = 8-pin PCB Connector M/F
DISPLAY = e-Paper Display 2.9 inches B/W, (see text)
BAT1 = Ni-MH 3.6V Battery, 40 mAh (3 x V40H)
28 pin DIP Socket
8 pin DIP Socket
SMD – DIP8 for SO-8 Adaptor
Prototyping Board
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