HardLabs

Automatic-Chessboard

RONITERVO·Automatic-Chessboard·hardware/reference/legacy-controller/automatic_chessboard_copy.kicad_pcb

Automatic-Chessboard PCB layout, top view — open source AVR/Arduino board by RONITERVO

About the Automatic-Chessboard PCB

Automatic-Chessboard is an open source AVR/Arduino PCB design by RONITERVO, published on GitHub under the CC-BY-NC-4.0 license. It is a 2-layer board measuring 200 × 52.2 mm, with 14 components from 9 distinct parts.

Its main chip is the Arduino Nano, from the AVR/Arduino family. Other key parts include the CD74HC4067M and A4988. By type, the board carries 5 ICs, 3 modules, 2 switches, 1 transistor, 1 inductor and 1 resistor.

From the project

The existing fabricated long PCB is functional and runs the photographed prototype after external wire and resistor modifications. Do not manufacture the archived PCB design unchanged and do not generate production Gerbers from it.

The existing fabricated long PCB is functional and runs the photographed prototype after external wire and resistor modifications. Do not manufacture the archived PCB design unchanged and do not generate production Gerbers from it.

These KiCad files are preserved because their long component layout matches the physical working board and can help explain how the modules were arranged. They predate current firmware 4.6.0 wiring and are not the electrical source of truth or a verified fabrication release.

Main components on the Automatic-Chessboard

CD74HC4067MArduino NanoA4988

Automatic-Chessboard bill of materials (BOM)

14 components, 9 distinct parts — part numbers from the project's BOM.

QtyPartRefs
4
CD74HC4067M
U1, U2, U3, U4
1
~
U6
1
Arduino Nano
A1
2
A4988
A2, A3
1
TIP120
Q1
1
~
I2C
2
SW_Push
SW1, SW2
1
L
L1
1
1k
R1

Automatic-Chessboard design files

The KiCad project lives in the RONITERVO/Automatic-Chessboard repository on GitHub; these links point at the commit this page was built from.

Automatic-Chessboard: common questions

What microcontroller does the Automatic-Chessboard use?

The Automatic-Chessboard is built around the Arduino Nano, from the AVR/Arduino family.

How big is the Automatic-Chessboard PCB?

The Automatic-Chessboard measures 200 × 52.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Automatic-Chessboard?

14 components, from 9 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 Automatic-Chessboard design files?

From the RONITERVO/Automatic-Chessboard repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Automatic-Chessboard design in my own project?

It is published under CC-BY-NC-4.0, which limits how it may be reused; read the license before building on it.

Can I test firmware for the Automatic-Chessboard 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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