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2 layers42 × 59 mmV2.2-Dev Kit, the printed circuit board in 3D

\ We ditched the screw assembly on newer Nuggets, which use a snap-fit case. You can find links to our case designs below.

Size
42 × 59 mm
Copper layers
2
Thickness
1.6 mm
Parts
30
Nets
17
Pads
42
Tracks, vias
85, 4
Pours
4
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
1 Apr 2023
Updated
1 Apr 2023

Overview

V2.2-Dev Kit is an open-source printed circuit board by RetiaLLC, from the RetiaLLC/Nugget-Developer-Kit repository on GitHub, published under the MIT licence. It is a 2-layer board of 42 × 59 mm with 30 parts on 17 nets, routed with 85 tracks and 4 vias.

It is built around the WS2812B. Its parts include 4 switches, 2 ICs, 1 diode and 1 connector.

Main components

1

README

README.md

WiFi Nugget Developer Kit v2.2

This repository contains KiCAD design files for the WiFi Nugget Developer Kit PCB. The current version of this release is 2.2. This kit is designed to teach beginners basic hardware assembly skills, and features both through-hole and surface mount components.



ESP32-S2 DevKit Components

Features

This kit is designed to work with the Wemos "mini" form factor, and accomodates breakouts for the ESP8266, ESP32-S2, and some other Espressif based board designs. The developer kit includes:

  • Buttons (D-Pad style, 4 Buttons)
  • RGB LED (WS2812B NeoPixel)
  • WiFi Microcontroller (D1/S2/C3 Mini)
  • Screen (SH1106 1.3" OLED)
  • Expansion Headers
  • Screw Assembly* (M2.5 Screws / Threaded Inserts)
  • 3D Printed Case*

* We ditched the screw assembly on newer Nuggets, which use a snap-fit case. You can find links to our case designs below.

Resources

Parts

30
QtyValueFootprintReferences
19LOGOLOGOG***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G*** +3
18 Pin HeaderConnector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_VerticalJ1
1DownButton_Switch_SMD:SW_SPST_FSMSMSW2
1LeftButton_Switch_SMD:SW_SPST_FSMSMSW3
1RightButton_Switch_SMD:SW_SPST_FSMSMSW4
1SH1106 OLEDscreens:SH1106-128x64-OLEDU2
1UpButton_Switch_SMD:SW_SPST_FSMSMSW1
1Val**Nugget-PCB-ArtRef**
1WS2812BLED_SMD:LED_WS2812B_PLCC4_5.0x5.0mm_P3.2mm_idiot_proofD1
1WeMos D1 Miniwemos-d1-mini:wemos-d1-mini-with-pin-header-and-connectorU1

The 28 most common of 30 parts.

Questions

How big is the V2.2-Dev Kit PCB?

It measures 42 × 59 mm and has 2 copper layers, 1.6 mm thick.

What parts does the V2.2-Dev Kit use?

30 parts, built around the WS2812B. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the V2.2-Dev Kit KiCad files?

From the RetiaLLC/Nugget-Developer-Kit repository on GitHub, at the commit this page was made from: the board is v2.2-Dev-Kit/v2.2-Dev-Kit.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the V2.2-Dev Kit design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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