HardLabs

Baduino

Lopfi·baduino·pcb/baduino.kicad_pcb

Baduino PCB layout, top view — open source AVR/Arduino board by Lopfi

About the Baduino PCB

Baduino is an open source AVR/Arduino PCB design by Lopfi, published on GitHub under the MIT license. It is a 2-layer board measuring 30 × 17.2 mm, with 18 components from 14 distinct parts.

Its main chip is the ATmega32U4-M, from the AVR/Arduino family. Other key parts include the MIC5219-3.3YM5. By type, the board carries 8 capacitors, 3 resistors, 2 ICs, 2 connectors, 1 crystal and 1 switch.

From the project

An opensource bad usb

Main components on the Baduino

ATmega32U4-MMIC5219-3.3YM5

Baduino bill of materials (BOM)

18 components, 14 distinct parts.

QtyPartRefs
1
ATmega32U4-M
U1
1
MIC5219-3.3YM5
U2
1
Crystal_GND24
Y1
1
USB_A
J1
1
TF-015
J3
1
SW_DIP_x04
SW1
1
LED
D1
2
22p
C1, C2
2
10u
C3, C5
2
1u
C4, C7
1
10p
C6
1
100n
C8
2
22R
R1, R2
1
140R
R3

Baduino design files

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

Baduino: common questions

What microcontroller does the Baduino use?

The Baduino is built around the ATmega32U4-M, from the AVR/Arduino family.

How big is the Baduino PCB?

The Baduino measures 30 × 17.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Baduino?

18 components, from 14 distinct parts. The full bill of materials is listed on this page.

Where can I download the Baduino design files?

From the Lopfi/baduino repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Baduino design in my own project?

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

Can I test firmware for the Baduino 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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