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ATMega328-usb counter

swharden·USB-Counter·builds/1.1/PCB/ATMega328-usb-counter.kicad_pcb

ATMega328-usb counter PCB layout, top view — open source AVR/Arduino board by swharden
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About the ATMega328-usb counter PCB

ATMega328-usb counter is an open source AVR/Arduino PCB design by swharden, published on GitHub under the MIT license. It is a 2-layer board measuring 60.6 × 40 mm, with 34 components from 18 distinct parts.

Its main chip is the ATmega328PB-AU, from the AVR/Arduino family. Other key parts include the FT230XS and 74LV8154. By type, the board carries 14 resistors, 8 capacitors, 4 connectors, 3 ICs, 3 diodes and 1 transistor.

It belongs with the displays & leds designs in this gallery.

From the project

Open-source USB frequency counter

I ordered this PCB on 2019-07-28 I built this device on 2019-08-03

ATMega328-usb counter, from the project README
From the project README

Main components on the ATMega328-usb counter

FT230XSATmega328PB-AU74LV8154

ATMega328-usb counter bill of materials (BOM)

34 components, 18 distinct parts.

QtyPartRefs
1
FT230XS
U1
1
ATmega328PB-AU
U2
1
74LV8154
U3
1
MMBT3904
Q1
2
PROG
J2, J5
1
USB_B_Micro
J3
1
RF
J4
1
POWER
D1
1
STATUS
D2
1
BAV99WT1
D3
1
Ferrite
FB1
6
.1u
C1, C2, C3, C7, C8, C9
2
47p
C4, C5
7
10K
R1, R2, R3, R7, R10, R11, R12
2
27
R4, R5
2
0
R8, R14
1
1k
R9
2
50
R13, R15

ATMega328-usb counter design files

The KiCad project lives in the swharden/USB-Counter repository on GitHub; these links point at the commit this page was built from.

ATMega328-usb counter: common questions

What microcontroller does the ATMega328-usb counter use?

The ATMega328-usb counter is built around the ATmega328PB-AU, from the AVR/Arduino family.

How big is the ATMega328-usb counter PCB?

The ATMega328-usb counter measures 60.6 × 40 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the ATMega328-usb counter?

34 components, from 18 distinct parts. The full bill of materials is listed on this page.

Where can I download the ATMega328-usb counter design files?

From the swharden/USB-Counter repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the ATMega328-usb counter design in my own project?

Yes, under the terms of its MIT license, which swharden chose for the repository.

Can I test firmware for the ATMega328-usb counter 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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