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Green rectangular circuit board with grid of plated holes and pin headers along long edges

Adafruit

Adafruit FeatherWing Proto Engineering Development Tool

SKU CH-9GJ0-3P5CZ

A prototyping add-on for all Feather boards with duplicate pin breakouts and grid proto holes for portable projects

  • Product typeEngineering Development Tools
  • Prototype any Feather board with duplicate pin breakouts and grid holes
  • Stack additional FeatherWings on top or bottom using stacking headers
  • Add buttons, LEDs or custom circuits in the generous prototyping area
  • Compact 50.9 mm by 22.9 mm footprint fits portable projects
  • Lightweight 3.2 g board adds minimal mass to your design

Prototyping Add-on for Feather Boards

The FeatherWing Proto is a prototyping add-on designed for all Feather boards. It provides duplicate breakout pins for every Feather connection plus a grid of plain proto holes. Builders can solder buttons, indicator LEDs or other components directly onto the wing for portable projects.

Suits Feather Users Needing Custom Circuits

This wing suits makers who want to build custom circuits on a Feather platform without designing a PCB. It is not for buyers who need a Feather board itself, as the wing is an add-on only. Projects requiring pre-assembled sensors or wireless modules should look at dedicated FeatherWings instead.

Duplicate Pin Breakout and Grid Proto Holes

The single specification that decides fit is the duplicate breakout for each Feather pin combined with plain grid proto holes. This layout lets you route any signal to a solder point while keeping the original pin accessible for stacking another wing. The board measures 50.9 mm by 22.9 mm by 1.6 mm and weighs 3.2 g.

How it compares

Measured against everything we stock in Engineering Workstations & Dev Kits, at today’s prices. Recalculated every night.

Price $6.99
Cheaper than about 80% of the 170 comparable items (median $11.49).

Specifications

Product
Product typeEngineering Development Tools

Questions about this item

What board dimensions does the 50.9 mm x 22.9 mm FeatherWing Proto match?

It matches the standard Feather footprint so it aligns with any Feather main board and stacks with Feather Stacking Headers.

Which headers should I solder first to avoid mis-alignment when stacking?

Tack one corner pin on each header, check the board sits flat on the Feather, then solder the remaining pins.

How do I replace a damaged power rail on the 3.3 V strip?

Cut the shorted section with a fine knife, then bridge the gap with a wire link soldered to the adjacent pads.

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