HardLabs

ATMEGA328P

Tert2·KiCAD·ATMEGA328P/ATMEGA328P_pcb.kicad_pcb

ATMEGA328P PCB layout, top view — open source AVR/Arduino board by Tert2

About the ATMEGA328P PCB

ATMEGA328P is an open source AVR/Arduino PCB design by Tert2, published on GitHub. It is a 4-layer board measuring 36 × 37.5 mm, with 17 components from 15 distinct parts.

Its main chip is the ATmega328P-A, from the AVR/Arduino family. Other key parts include the NJM4580. By type, the board carries 4 capacitors, 4 resistors, 3 ICs, 3 connectors, 2 switches and 1 crystal.

From the project

KiCAD data

Main components on the ATMEGA328P

ATmega328P-ANJM4580

ATMEGA328P bill of materials (BOM)

17 components, 15 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ATmega328P-A
U1
1
NJM4580
CH340K
U2
1
NJM4580
TS5A23159DGS
U3
1
10MHZ
16MHz
Y1
1
USB_C_Receptacle_USB2.0_16P
J1
1
Conn_02x12_Counter_Clockwise
J2
1
USB_C_RECEPTACLE_POWERONLY_6P
Conn_01x03_Pin
J3
1
SW_MEC_5E
SW1
1
~
SW2
2
2.2U
0.1u
C1, C2
1
0.1U
22p
C3
1
4.7U
22p
C4
2
5.1k
R1, R2
1
330
10k
R4
1
10k
R5

ATMEGA328P design files

The KiCad project lives in the Tert2/KiCAD repository on GitHub; these links point at the commit this page was built from.

ATMEGA328P: common questions

What microcontroller does the ATMEGA328P use?

The ATMEGA328P is built around the ATmega328P-A, from the AVR/Arduino family.

How big is the ATMEGA328P PCB?

The ATMEGA328P measures 36 × 37.5 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the ATMEGA328P?

17 components, from 15 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the ATMEGA328P design files?

From the Tert2/KiCAD repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the ATMEGA328P design in my own project?

The repository has no license, so all rights stay with Tert2. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the ATMEGA328P without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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