HardLabs

Stepper

hisashin·qNinja·kicad/Ninja/batch21/stepper/stepper.kicad_pcb

Stepper PCB layout, top view — open source AVR/Arduino board by hisashin

About the Stepper PCB

Stepper is an open source AVR/Arduino PCB design by hisashin, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 31 × 49 mm, with 28 components from 14 distinct parts.

Its main chip is the ATtiny404-SS, from the AVR/Arduino family. Other key parts include the MP6507GF-Z and REG_TO252-3. By type, the board carries 11 connectors, 5 capacitors, 3 ICs and 3 resistors.

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

From the project

Open source Real-Time Quantitative PCR Implementation

Stepper, from the project README
From the project README

Main components on the Stepper

MP6507GF-ZATtiny404-SSREG_TO252-3

Stepper bill of materials (BOM)

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

QtyPartRefs
1
MP6507GF-Z
U1
1
ATtiny404-SS
U2
1
REG_TO252-3
U3
1
Conn_01x04_Male
J1
6
Conn_01x01_Pin
J3, J5, J6, J7, J9, J10
1
Conn_01x04_Pin
J4
1
Conn_01x03_Pin
J11
2
Conn_01x02_Pin
J12, J13
6
R
RSENA1, RSENA2, RSENA3, RSENB1, RSENB2, RSENB3
1
4.7uF
C1
2
0.1uF
C2, C5
1
100uF
C3
1
10uF
C4
3
4.7k
R1, R2, R3

Stepper design files

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

Stepper: common questions

What microcontroller does the Stepper use?

The Stepper is built around the ATtiny404-SS, from the AVR/Arduino family.

How big is the Stepper PCB?

The Stepper measures 31 × 49 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Stepper?

28 components, from 14 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 Stepper design files?

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

Can I use the Stepper design in my own project?

Yes, under the terms of its GPL-3.0 license, which hisashin chose for the repository.

Can I test firmware for the Stepper 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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