# Teensy: development platform for [PlatformIO](http://platformio.org) [![Build Status](https://github.com/platformio/platform-teensy/workflows/Examples/badge.svg)](https://github.com/platformio/platform-teensy/actions) Teensy is a complete USB-based microcontroller development system, in a very small footprint, capable of implementing many types of projects. All programming is done via the USB port. No special programmer is needed, only a standard USB cable and a PC or Macintosh with a USB port. * [Home](http://platformio.org/platforms/teensy) (home page in PlatformIO Platform Registry) * [Documentation](http://docs.platformio.org/page/platforms/teensy.html) (advanced usage, packages, boards, frameworks, etc.) # Usage 1. [Install PlatformIO](http://platformio.org) 2. Create PlatformIO project and configure a platform option in [platformio.ini](http://docs.platformio.org/page/projectconf.html) file: ## Stable version ```ini [env:stable] platform = teensy board = ... ... ``` ## Development version ```ini [env:development] platform = https://github.com/platformio/platform-teensy.git board = ... ... ``` # Configuration Please navigate to [documentation](http://docs.platformio.org/page/platforms/teensy.html).