HardLabs

Arm board

elkel53930·robosweep_twilight·elec/arm_board/arm_board.kicad_pcb

Arm board layout, top view — open source AVR/Arduino board by elkel53930

About the Arm board

Arm board is an open source AVR/Arduino PCB design by elkel53930, published on GitHub under the MIT license. It is a 2-layer board measuring 39 × 31 mm, with 39 components from 22 distinct parts.

Its main chip is the ATmega328P-AU, from the AVR/Arduino family. Other key parts include the NA219AIDR, AMS1117-5.0 and FT231XQ-R. By type, the board carries 13 capacitors, 10 resistors, 6 connectors, 4 ICs, 3 diodes and 1 transistor.

From the project

A robosweeper "Twilight"

RoboSweepプレ大会で準優勝したチームからくり工房A:Macのエージェント(ロボット)Twilightのリポジトリです。

Arm board, from the project README
From the project README

Main components on the Arm board

NA219AIDRATmega328P-AUAMS1117-5.0FT231XQ-R

Arm board bill of materials (BOM)

39 components, 22 distinct parts.

QtyPartRefs
1
NA219AIDR
U1
1
ATmega328P-AU
U3
1
AMS1117-5.0
U4
1
FT231XQ-R
U17
1
DMT6008LFG
Q5
1
CSTCE16M0V53-R0
X1
2
PinHeader
J1, J2
1
B6B-ZR
J3
1
Fan motor
J5
1
B2B-XH-A(LF)(SN)
J12
1
B4B-ZR(LF)(SN)
J16
1
Switch 5V supply
JP1
1
WS2812B-2020
D1
1
D-060306G1/SS2/G1
D2
1
1N5819WS
D4
4
CL10A475KO8NNNC
C1, C2, C3, C6
6
CC0603KRX7R9BB104
C4, C7, C8, C10, C38, C41
1
RVT1A101M0505
C5
2
CL21A106KAYNNNE
C26, C32
1
25121WF500MT4E
R1
Show 2 more
QtyPartRefs
2
0603WAF1002T5E
R2, R5
7
0603WAF1001T5E
R3, R4, R6, R7, R8, R9, R12

Arm board design files

The KiCad project lives in the elkel53930/robosweep_twilight repository on GitHub; these links point at the commit this page was built from.

Arm board: common questions

What microcontroller does the Arm board use?

The Arm board is built around the ATmega328P-AU, from the AVR/Arduino family.

How big is the Arm board?

The Arm board measures 39 × 31 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Arm board?

39 components, from 22 distinct parts. The full bill of materials is listed on this page.

Where can I download the Arm board design files?

From the elkel53930/robosweep_twilight repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Arm board design in my own project?

Yes, under the terms of its MIT license, which elkel53930 chose for the repository.

Can I test firmware for the Arm board 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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