BITIO

Microcontrollers and dev boards.
Click one to inspect it.

Browse catalog

click any board

Specs

Features

Not a parts bin.
A toolkit.

We don't stock everything - we stock the right things. Every board is authentic, tested, and actually in stock before it goes on the site.

Started by engineering students who got tired of waiting three weeks for a Chinese clone that didn't match the datasheet.

In Stock -

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Help & Product Info
  • Check the datasheet for full electrical specifications before wiring.
  • Operating voltage is listed in the product description above.
  • For questions email admin@bitio.io or use the contact page.
  • All products ship with a 30-day defective-on-arrival guarantee.
  • Returns accepted within 14 days of delivery if unopened.

How to use BitIO

Browse products - scroll down past the 3D boards to see the full catalog. Use the filter buttons or search bar to find what you need.

Product details - click anywhere on a product card to open its detail view, where you can set a quantity before adding to cart.

3D boards - click any board in the hero section to inspect it up close. Drag to rotate. Click the hotspot dots to see what each component is.

Cart - click the Cart link in the nav. You can change quantities, remove items, or clear the whole cart before checking out.

Account - sign up or sign in via the nav link. Your addresses and notification preferences are saved under Settings.

Admin - if your account has admin access, you'll see the full dashboard at /admin.html with product management, orders, and returns.