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Arduino Uno single sided

1 year ago 592
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For noob etchers





ID Name Designator Footprint Quantity Manufacturer Part Supplier Mounted
1 ATmega328-PU ATMEGA DIP28 1 ATMEGA328P-PU LCSC Yes C33901
2 16MHz X1 OSC-49S-1 1 X49SD16MSD2SC LCSC Yes C16212
3 10KΩ R1 AXIAL-0.4 1 CFR0W4J0103A50 LCSC Yes C61299
4 22pF C2,C3 RAD-0.1 2 22pf/50V 10% LCSC Yes C9316
5 6x6x9Plastic head RESET,BT KEY-6.0*6.0-2 2 6x6x9Plastic head LCSC Yes C10889
6 333-2SURD/S530-A3-L LED1,LED3 LED-5MM/2.54 2 333-2SURD/S530-A3-L LCSC Yes C99758
7 100nF C1,C4,C5,C6,C7 RAD-0.1 5 CS1F5.6Y5V1A104Z LCSC Yes C9306
8 T-Block P2 WJ300V-5.00-2P 1 WJ300V-5.0-2P LCSC Yes C8385
9 510Ω R2,R4 AXIAL-0.4 2 CFR0W4J0511A50 LCSC Yes C61292
10 Header-Male-2.54_1x4 H1 210S-1X4P 1 210S-1*4P L=11.6MMGold-plated black LCSC Yes C124378
11 L7805CV U1 TO-220(TO-220-3) 1 L7805CV LCSC Yes C111887
12 G3MB-202PL SSR ORMON SSR 1 G3MB-202PL LCSC Yes C48654
13 Heat Sink 15.5x10.5x21 C4649 mrma HS1 HEAT SINK 15.5X10.5X21 C4649 1 C4649 LCSC Yes C4649
14 DC-072-165A DC1 DC-072-165A 1 DC-072-165A LCSC Yes C129003


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Comments (2)

ubergeek1812 Reply

I have some concerns about powers supply stability here.
I'd put 100uF at the input of 7805, about 10uF cap right after 7805 and 2x 100nF on each power input right near ATMega chip. Also i'd put one 100nF between GND and ARef pin too, for future needs.

usmanmehmood55 Reply

@ubergeek1812 You are absolutely right. I should've added those capacitors. I made this PCB for a small part of a semester project, and the power supply I was using was regulated, so I had no issues with the small caps.

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