HardLabs

Decoupling-01

P-r-i-t-h-v-i·PCGE·challenges/decoupling-01/solution/decoupling-01.kicad_pcb

Decoupling-01 PCB layout, top view — open source AVR/Arduino board by P-r-i-t-h-v-i

About the Decoupling-01 PCB

Decoupling-01 is an open source AVR/Arduino PCB design by P-r-i-t-h-v-i, published on GitHub. It is a 2-layer board measuring 35 × 25 mm, with 3 components from 3 distinct parts.

Its main chip is the ATtiny85-20S, from the AVR/Arduino family. By type, the board carries 1 IC, 1 connector and 1 capacitor.

From the project

TraceWire: an OverTheWire-style wargame for learning PCB design by fixing broken KiCad projects (sandboxed kicad-cli ERC/DRC grading)

PCB Range challenge starter — decoupling-01 Open decoupling-01.kicadpro in KiCad 10 (or newer), fix the problem described on the challenge page, then zip this folder (decoupling-01.kicadpro, decoupling-01.kicadsch, decoupling-01.kicadpcb) and upload it.

Main components on the Decoupling-01

ATtiny85-20S

Decoupling-01 bill of materials (BOM)

3 components, 3 distinct parts.

QtyPartRefs
1
ATtiny85-20S
U1
1
3V3_IN
J1
1
100nF
C1

Decoupling-01 design files

The KiCad project lives in the P-r-i-t-h-v-i/PCGE repository on GitHub; these links point at the commit this page was built from.

Decoupling-01: common questions

What microcontroller does the Decoupling-01 use?

The Decoupling-01 is built around the ATtiny85-20S, from the AVR/Arduino family.

How big is the Decoupling-01 PCB?

The Decoupling-01 measures 35 × 25 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Decoupling-01?

3 components, from 3 distinct parts. The full bill of materials is listed on this page.

Where can I download the Decoupling-01 design files?

From the P-r-i-t-h-v-i/PCGE repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Decoupling-01 design in my own project?

The repository has no license, so all rights stay with P-r-i-t-h-v-i. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Decoupling-01 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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