HardLabs

MCU.ATMEGA328P-AU-Base

kgsully·MCU.ATMEGA328P-AU-Base·Electrical & PCB/ATMEGA328P-AU_BASE_CYUSB_v1.0.kicad_pcb

MCU.ATMEGA328P-AU-Base PCB layout, top view — open source AVR/Arduino board by kgsully

About the MCU.ATMEGA328P-AU-Base PCB

MCU.ATMEGA328P-AU-Base is an open source AVR/Arduino PCB design by kgsully, published on GitHub. It is a 2-layer board measuring 60 × 63 mm, with 51 components from 30 distinct parts.

Its main chip is the ATmega328P-AU, from the AVR/Arduino family. Other key parts include the LDL1117S50R, LMV358IDGKR, SPX3819M5-L-3-3 and CY7C65213-28PVXI. By type, the board carries 16 capacitors, 13 resistors, 11 diodes, 5 ICs, 2 connectors and 1 transistor.

From the project

Base Schematic and PCB for ATMEGA328P-AU w/ USB-UART Bridge

Main components on the MCU.ATMEGA328P-AU-Base

ATmega328P-AULDL1117S50RLMV358IDGKRSPX3819M5-L-3-3CY7C65213-28PVXI

MCU.ATMEGA328P-AU-Base bill of materials (BOM)

51 components, 30 distinct parts.

QtyPartRefs
1
ATmega328P-AU
U1
1
LDL1117S50R
U2
1
LMV358IDGKR
U3
1
SPX3819M5-L-3-3
U4
1
CY7C65213-28PVXI
U5
1
DMP2110U-7
Q1
1
16MHZ
Y1
1
Conn_01x02_Male
J2
1
USB_B_Micro
J3
1
RESET
SW1
1
BLU
D1
1
BAT760-7
D2
4
5VWM
D3, D6, D7, D8
1
RED
D4
3
GRN
D5, D9, D10
1
1N4148WS
D11
1
40-100R
FB1
6
0.1u
C1, C2, C3, C9, C11, C22
1
1u
C4
1
4u7
C5
Show 10 more
QtyPartRefs
1
100n
C6
1
10n
C7
1
2.2u
C8
2
4.7u
C10, C12
1
1u
C13
2
22p
C20, C21
1
470R
R2
4
10k
R3, R4, R10, R23
7
1k
R5, R6, R11, R12, R20, R21, R22
1
4k7
R9

MCU.ATMEGA328P-AU-Base design files

The KiCad project lives in the kgsully/MCU.ATMEGA328P-AU-Base repository on GitHub; these links point at the commit this page was built from.

MCU.ATMEGA328P-AU-Base: common questions

What microcontroller does the MCU.ATMEGA328P-AU-Base use?

The MCU.ATMEGA328P-AU-Base is built around the ATmega328P-AU, from the AVR/Arduino family.

How big is the MCU.ATMEGA328P-AU-Base PCB?

The MCU.ATMEGA328P-AU-Base measures 60 × 63 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the MCU.ATMEGA328P-AU-Base?

51 components, from 30 distinct parts. The full bill of materials is listed on this page.

Where can I download the MCU.ATMEGA328P-AU-Base design files?

From the kgsully/MCU.ATMEGA328P-AU-Base repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the MCU.ATMEGA328P-AU-Base design in my own project?

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

Can I test firmware for the MCU.ATMEGA328P-AU-Base 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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