HardLabs

PiZero-GRBL-Hat

dwinters42·PiZero-GRBL-Hat·board/pizero_grbl_hat.kicad_pcb

PiZero-GRBL-Hat layout, top view — open source AVR/Arduino board by dwinters42

About the PiZero-GRBL-Hat

PiZero-GRBL-Hat is an open source AVR/Arduino PCB design by dwinters42, published on GitHub under the MIT license. It is a 2-layer board measuring 65 × 30 mm, with 20 components from 18 distinct parts.

Its main chip is the ATmega328P-AU, from the AVR/Arduino family. Other key parts include the X-axis and Y-axis. By type, the board carries 8 connectors, 6 capacitors, 2 modules, 2 resistors, 1 IC and 1 crystal.

It belongs with the robotics & motion and dev boards & breakouts designs in this gallery.

From the project

2-axis stepper controller add-on board for Raspberry Pi Zero based on GRBL

Main components on the PiZero-GRBL-Hat

ATmega328P-AUX-axisY-axis

PiZero-GRBL-Hat bill of materials (BOM)

20 components, 18 distinct parts.

QtyPartRefs
1
ATmega328P-AU
U1
1
X-axis
A1
1
Y-axis
A2
1
16MHz
Y1
1
GPIO_CONNECTOR
J1
1
ISP
J2
1
LIMIT_X
J3
1
LIMIT_Y
J4
1
VMOT
J5
1
MOTOR_X
J6
1
MOTOR_Y
J7
1
I2C
J8
1
100n
C1
1
100n
C2
2
33p
C4, C5
2
100u
C8, C9
1
1M
R1
1
10K
R2

PiZero-GRBL-Hat design files

The KiCad project lives in the dwinters42/PiZero-GRBL-Hat repository on GitHub; these links point at the commit this page was built from.

PiZero-GRBL-Hat: common questions

What microcontroller does the PiZero-GRBL-Hat use?

The PiZero-GRBL-Hat is built around the ATmega328P-AU, from the AVR/Arduino family.

How big is the PiZero-GRBL-Hat?

The PiZero-GRBL-Hat measures 65 × 30 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the PiZero-GRBL-Hat?

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

Where can I download the PiZero-GRBL-Hat design files?

From the dwinters42/PiZero-GRBL-Hat repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the PiZero-GRBL-Hat design in my own project?

Yes, under the terms of its MIT license, which dwinters42 chose for the repository.

Can I test firmware for the PiZero-GRBL-Hat 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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