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2 layers202.8 × 210.4 mmWiFi bit, the printed circuit board in 3D

Hardware design, BOM, gerbers and 3D files for WiFi-bit designed by Soldered Electronics.

Size
202.8 × 210.4 mm
Copper layers
2
Thickness
1.6 mm
Parts
1,234
Nets
46
Pads
2,344
Tracks, vias
3,390, 1,935
Pours
45
Routed
Yes
KiCad
KiCad 5 (file 20210623)
Created
3 Nov 2022
Updated
28 Jan 2025

Overview

WiFi bit is an open-source printed circuit board by SolderedElectronics, from the SolderedElectronics/WiFi-bit-hardware-design repository on GitHub. It is a 2-layer board of 202.8 × 210.4 mm with 1,234 parts on 46 nets, routed with 3,390 tracks and 1,935 vias.

It is built around the U262-161N-4BVC11. Its parts include 150 resistors, 90 switches, 60 capacitors, 30 ICs and 15 diodes. It belongs with the radio and wireless boards and the ESP8266 boards of this library.

Main components

1

README

README.md

WiFi:bit Hardware Design

About the Product

Micro:bit is a very interesting board with lots of options that are used by many children in school or hobbyists, but who can say no to new features! So we decided to make a micro:bit add-on that will enable internet connection via WiFi! Finally, you’ll be able to connect your micro:bit projects to the Internet and to connect to the well known Internet of Things. WiFi:bit add-on is easy to use through a MakeBlock add-on or using completed Python examples.

Just insert micro:bit to the add-on, plug in the power cable (required) and you are ready! Open the examples and start sending and receiving data from the internet. There are even two easyC connectors on the WiFi add-on, which allow the simplest connection of I2C sensors and actuators with micro:bit. There are also available pins on the board which are isolated on standard spacing used for breadboard connections or connections with cables to additional components!


Repository Contents

This repository contains all design files for WiFi:bit, organized as follows:

  • CAD folder: Contains KiCAD design files, including:
    • Schematics
    • PCB layout
    • Panel PCB layout
    • Source 3D files in Fusion360, if any
    • All files are sorted by version with a detailed change log.
  • OUTPUTS folder: Includes all production-ready files, such as:
    • Bill of Materials (BOM) and interactive BOM (iBOM)
    • PDF versions of schematics
    • 3D .step file of the board
    • 3D-printable models
    • Gerber files for PCB manufacturing
    • Image of the pinout of the board
    • Product image
    • Compliance, legal and generic sales documents

Refer to the Change Log in the CAD folder for details about updates between versions.


Learn More About the Product

Beyond the repository, explore the following resources:

Soldered Verify

Soldered Verify Logo

The Soldered Verify system ensures every board you purchase from Soldered is fully functional. It also provides access to exclusive test data for your product. To get started, find the unique Soldered Verify ID on your product's packaging and enter the ID on the Soldered Verify page to access test results and additional product details.

Soldered Community

soldered-verify-logo

Soldered Community is your go-to place for technical support. Our engineers track and answer all questions posted there, and it’s a great space for the maker community. Get answers to your questions and solutions for your challenges at Soldered Community.

solde.red

solde.red is an ultimate URL shortener and information hub. Access it by typing solde.red/ followed by your product SKU, e.g., solde.red/333000, to find getting-started guides, datasheets, open-source hardware and software files, certifications, images, pinouts, and more. Read more about the shortener here.


Contributing

Contributions are welcome! Here’s how you can get involved:

  • Submit pull requests to enhance the design or fix issues.
  • Report bugs or problems by opening an issue.

We encourage community collaboration to make this product even better.


About Soldered

soldered-logo

Soldered for Makers specializes in designing and manufacturing electronic products tailored for enthusiasts, ranging from hobbyists to professionals. Our portfolio includes electronic boards, sensors, and actuators that are widely utilized in fields such as microelectronics, mechatronics, robotics, programming, and IoT. Every product we offer is designed in-house and built upon open-source hardware and software platforms. Proudly certified and manufactured within the European Union, our catalog likely includes the product you need for your project.

We complement these products with comprehensive tutorials and manuals, product descriptions, schematics, programming codes, and project examples. Our round-the-clock customer and technical support is available for all our products, irrespective of the sales channel. Soldered’s success and services reflect our maker community’s unwavering trust, for which we are deeply grateful. Join our community and create using Soldered products.


License

All Soldered open-source hardware (OSH) is under The TAPR Open Hardware License. Read more in the LICENSE file located in this repository.

Disclaimer:

No warranty - all designs in this repository are distributed in the hope that they will be useful, but without any warranty. They are provided "AS IS", therefore without warranty of any kind, either expressed or implied. The entire quality and performance of what you do with the contents of this repository are your responsibility. In no event Soldered Electronics will be liable for your damages, or losses, including any general, special, incidental, or consequential damage arising out of the use or inability to use the contents of this repository.


Have fun!

Thank you for your support from your fellow makers at Soldered Electronics.

Happy Making!

Parts

1,234
QtyValueFootprintReferences
645buzzardLabel, , , , , , , , , , , , , , , +629
9010ke-radionica.com footprinti:0603RR1, R1, R1, R1, R1, R1, R1, R1, R1, R1, R1, R1, R1, R1, R1, R2 +74
60HOLE_3.2mme-radionica.com footprinti:HOLE_3.2mmH1, H1, H1, H1, H1, H1, H1, H1, H1, H1, H1, H1, H1, H1, H1, H2 +44
302.2uFe-radionica.com footprinti:0603CC3, C3, C3, C3, C3, C3, C3, C3, C3, C3, C3, C3, C3, C3, C3, C4 +14
305.1ke-radionica.com footprinti:0603RR9, R10, R10, R10, R10, R10, R10, R10, R10, R10, R10, R10, R10, R10, R10, R10 +14
30LOGOSoldered Graphics:Logo-Front-easyC-5mmG***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G*** +14
30SMD-JUMPER-CONNECTEDe-radionica.com footprinti:SMD_JUMPER_CONNECTEDJP1, JP1, JP1, JP1, JP1, JP1, JP1, JP1, JP1, JP1, JP1, JP1, JP1, JP1, JP1, JP2 +14
30easyC-SMDe-radionica.com footprinti:easyC-connectorK1, K1, K1, K1, K1, K1, K1, K1, K1, K1, K1, K1, K1, K1, K1, K2 +14
19FIDUCIALe-radionica.com footprinti:FIDUCIAL_23FD1, FD1, FD1, FD1, FD1, FD1, FD1, FD1, FD1, FD1, FD1, FD1, FD1, FD1, FD1, FD1 +3
15100nFe-radionica.com footprinti:0603CC2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2
1510uFe-radionica.com footprinti:1206CC1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1
152k2e-radionica.com footprinti:0402RR8, R8, R8, R8, R8, R8, R8, R8, R8, R8, R8, R8, R8, R8, R8
152k49e-radionica.com footprinti:0603RR7, R7, R7, R7, R7, R7, R7, R7, R7, R7, R7, R7, R7, R7, R7
15ESP8266(ESP12-F)e-radionica.com footprinti:ESP 8266(ESP12-F)U1, U1, U1, U1, U1, U1, U1, U1, U1, U1, U1, U1, U1, U1, U1
15HEADER_MALE_14X1e-radionica.com footprinti:HEADER_MALE_14X1K4, K4, K4, K4, K4, K4, K4, K4, K4, K4, K4, K4, K4, K4, K4
15HEADER_MALE_2X1e-radionica.com footprinti:HEADER_MALE_2X1K3, K3, K3, K3, K3, K3, K3, K3, K3, K3, K3, K3, K3, K3, K3
15LOGOSoldered Graphics:Logo-Back-OSH-3.5mmG***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***
15LOGOSoldered Graphics:Logo-Front-SolderedVERTICAL-10mmG***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***
15LOGOSoldered Graphics:Symbol-Front-USBG***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***
15MIC127-140-002e-radionica.com footprinti:MC127-140-002K6, K6, K6, K6, K6, K6, K6, K6, K6, K6, K6, K6, K6, K6, K6
15SE5218e-radionica.com footprinti:SOT-23-5U2, U2, U2, U2, U2, U2, U2, U2, U2, U2, U2, U2, U2, U2, U2
15SMD-JUMPER-CONNECTED_TRACE_SLODERMASKe-radionica.com footprinti:SMD-JUMPER-CONNECTED_TRACE_SLODERMASKJP3, JP3, JP3, JP3, JP3, JP3, JP3, JP3, JP3, JP3, JP3, JP3, JP3, JP3, JP3
15U262-161N-4BVC11e-radionica.com footprinti:U262-161N-4BVC11K5, K5, K5, K5, K5, K5, K5, K5, K5, K5, K5, K5, K5, K5, K5
15purplee-radionica.com footprinti:0402LEDD1, D1, D1, D1, D1, D1, D1, D1, D1, D1, D1, D1, D1, D1, D1

The 1,189 most common of 1,234 parts.

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Questions

How big is the WiFi bit PCB?

It measures 202.8 × 210.4 mm and has 2 copper layers, 1.6 mm thick.

What parts does the WiFi bit use?

1,234 parts, built around the U262-161N-4BVC11. 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 WiFi bit KiCad files?

From the SolderedElectronics/WiFi-bit-hardware-design repository on GitHub, at the commit this page was made from: the board is CAD/V1.1.1/PANEL/WiFi_bit.kicad_pcb and its schematic CAD/V1.0.0/WiFi_bit.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the WiFi bit design in my own project?

Its repository states no licence, so its author keeps all rights: ask SolderedElectronics before reusing the design.