HardLabs

Very-Simple-TZXDuino

r0b0t1cu·Very-Simple-TZXDuino-PCB·Very_Simple_TZXDuino_KiCad/Very_Simple_TZXDuino_KiCad.kicad_pcb

Very-Simple-TZXDuino PCB layout, top view — open source AVR/Arduino board by r0b0t1cu

About the Very-Simple-TZXDuino PCB

Very-Simple-TZXDuino is an open source AVR/Arduino PCB design by r0b0t1cu, published on GitHub under the MIT license. It is a 2-layer board measuring 99.1 × 31.8 mm, with 9 components from 9 distinct parts.

Its main chip is the Arduino Nano, from the AVR/Arduino family. By type, the board carries 5 switches, 3 connectors and 1 module.

It belongs with the test & measurement and displays & leds designs in this gallery.

From the project

A very simple, open-source PCB design for the TZXDuino, an Arduino-based ZX Spectrum cassette emulator that plays TZX files from an SD card. This project provides KiCad schematics, PCB layouts, Gerber files, and firmware for easy DIY assembly.

A very simple, open-source PCB design for the TZXDuino, an Arduino-based ZX Spectrum cassette emulator that plays TZX files from an SD card. This project provides KiCad schematics, PCB layouts, Gerber files, and firmware for easy DIY assembly. No advanced soldering skills required—just basic components like an Arduino Nano, SD module, OLED display, pin headers, and five push buttons.

Very-Simple-TZXDuino, from the project README
From the project README

Main components on the Very-Simple-TZXDuino

Arduino Nano

Very-Simple-TZXDuino bill of materials (BOM)

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

QtyPartRefs
1
Arduino Nano
A1
1
OUTPUT
J1
1
SD CARD
J2
1
DISPLAY
J3
1
Play
SW1
1
Stop
SW2
1
Menu
SW3
1
Down
SW4
1
Up
SW5

Very-Simple-TZXDuino design files

The KiCad project lives in the r0b0t1cu/Very-Simple-TZXDuino-PCB repository on GitHub; these links point at the commit this page was built from.

Very-Simple-TZXDuino: common questions

What microcontroller does the Very-Simple-TZXDuino use?

The Very-Simple-TZXDuino is built around the Arduino Nano, from the AVR/Arduino family.

How big is the Very-Simple-TZXDuino PCB?

The Very-Simple-TZXDuino measures 99.1 × 31.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Very-Simple-TZXDuino?

9 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 Very-Simple-TZXDuino design files?

From the r0b0t1cu/Very-Simple-TZXDuino-PCB 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 Very-Simple-TZXDuino design in my own project?

Yes, under the terms of its MIT license, which r0b0t1cu chose for the repository.

Can I test firmware for the Very-Simple-TZXDuino 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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