HardLabs

Stepcraft-GRBLizer

eflukx·Stepcraft-GRBLizer

Stepcraft-GRBLizer PCB layout, top view — open source AVR/Arduino board by eflukx

About the Stepcraft-GRBLizer PCB

Stepcraft-GRBLizer is an open source AVR/Arduino PCB design by eflukx, published on GitHub. It is a 2-layer board measuring 68 × 54 mm, with 69 components from 28 distinct parts.

Its main chip is the ATMEGA328P-AU, from the AVR/Arduino family. Other key parts include the CP2102N and ADuM1201BR. By type, the board carries 28 resistors, 16 capacitors, 9 connectors, 7 diodes, 4 ICs and 2 jumpers.

It belongs with the robotics & motion designs in this gallery.

From the project

Replacement ('Arduino') controller that fits inside a Stepcraft CNC machine. Comptatible with GRBL and EstlCAM

A GRBL compatible controller for use as a drop-in replacement for the SC100 USB standard controller deliverd with Stepcraft CNC machines. This Arduino Uno compatible controller is wired conforming the GRL v0.9+ standard. The controller can be used with the GRBL firmware and with EstlCAM.

Notes kindly provided by Albin Stigö on getting GRBL v1.1 working with the GRBLizer board.

Stepcraft-GRBLizer, from the project README
From the project README

Main components on the Stepcraft-GRBLizer

CP2102NADuM1201BRATMEGA328P-AU

Stepcraft-GRBLizer bill of materials (BOM)

69 components, 28 distinct parts.

QtyPartRefs
1
CP2102N
U1
2
ADuM1201BR
U2, U3
1
ATMEGA328P-AU
U4
1
16MHz
Y1
1
UPDATE TO USB C
J1
1
Probe
J2
1
Spindle
J3
1
out select
J4
1
relay select
J6
1
ISP/Serial
J8
1
X1
J9
1
4th Axle
J10
1
in2 select
J11
1
Polyfuse_Small
F1
1
ISP_PWR
JP1
1
length_A5
JP2
1
reset
SW1
6
Littelfuse PESD0603-240
D1, D2, D3, D4, D5, D6
1
1N5819W
D7
2
1u
C1, C4
Show 8 more
QtyPartRefs
10
100n
C2, C3, C5, C6, C8, C9, C10, C13 +2
2
10n
C7, C16
2
22p
C11, C12
22
100
R1, R2, R3, R4, R9, R10, R11, R12 +14
2
0 (DNP)
R5, R8
2
100 (DNP)
R6, R7
1
10k
R27
1
300
R28

Stepcraft-GRBLizer design files

The KiCad project lives in the eflukx/Stepcraft-GRBLizer repository on GitHub; these links point at the commit this page was built from.

Stepcraft-GRBLizer: common questions

What microcontroller does the Stepcraft-GRBLizer use?

The Stepcraft-GRBLizer is built around the ATMEGA328P-AU, from the AVR/Arduino family.

How big is the Stepcraft-GRBLizer PCB?

The Stepcraft-GRBLizer measures 68 × 54 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Stepcraft-GRBLizer?

69 components, from 28 distinct parts. The full bill of materials is listed on this page.

Where can I download the Stepcraft-GRBLizer design files?

From the eflukx/Stepcraft-GRBLizer repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Stepcraft-GRBLizer design in my own project?

The repository has no license, so all rights stay with eflukx. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Stepcraft-GRBLizer 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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