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Adafruit Pro Trinket 5V 16MHz is an official Adafruit product available from Circuitrocks, an official distributor of Adafruit. A compact ATmega328P development board that offers Arduino-compatible workflows in a smaller form factor.

Why choose this Adafruit board or module?

  • ATmega328P core familiar to many Arduino users
  • Compact size for embedded builds
  • USB bootloading support plus FTDI header for serial workflows

What you can build

Compact controllers, Wearables and props, Small automation prototypes.

Technical description

Adafruit Pro Trinket 5V 16MHz is designed for makers, engineers, and educators who need a genuine Adafruit part with dependable documentation, known compatibility, and easy access to official support material. It is a practical choice for prototyping, testing, and repeatable electronics builds.

Technical specifications

MCU ATmega328P
Clock 16 MHz
Logic level 5V
Flash 28KB usable
RAM 2KB
Power USB or external input

Pinout & power notes

Pins 2 and 7 are reserved for USB. Best for maintaining legacy Pro Trinket projects; Adafruit notes newer boards are easier on modern computers.

What’s in the box

Board and header strip.

Official resources

Manufacturer product page: https://www.adafruit.com/product/2000
Guide / tutorial: https://learn.adafruit.com/introducing-pro-trinket
Datasheet / downloads / documentation: https://learn.adafruit.com/introducing-pro-trinket

Q: Can I use standard Arduino sketches?

A: Most Arduino sketches that fit the available flash and pin constraints can be adapted.

Need this for a student build, prototype, or production-ready electronics project? Circuitrocks helps makers, schools, and developers source genuine Adafruit products with access to official documentation and manufacturer references.

Compatibility & downloads

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Build with this board

// from learn.circuit.rocks

Notes from the bench

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Ask the community

// from forum.circuit.rocks