# Program CircuitPython USB Devices with iPhone & iPad ## Overview ![](https://cdn-learn.adafruit.com/assets/assets/000/081/508/medium800/circuitpython_cirpy-plus-iphone.jpg?1569547659) With the launch of **iOS** & **iPadOS 13** , iPhone and iPad now have the ability to **edit code** on **CircuitPython** **USB** **devices.**  Users can connect a board such as [Circuit Playground Express](https://www.adafruit.com/product/3333) to their mobile device and edit & run code on the go. For this guide, we'll be using a [Circuit Playground Express](https://www.adafruit.com/product/3333), but the process should work with any of **Adafruit's CircuitPython USB devices** - click [here for a full list](https://circuitpython.org/downloads?manufacturers=Adafruit). ## What you'll need • An  **iPhone** capable of running **iOS 13** or **iPad** capable of running **iPadOS.** Check your device's [compatibility here](https://support.apple.com/ios/update). Info: ### Circuit Playground Express [Circuit Playground Express](https://www.adafruit.com/product/3333) **Circuit Playground Express** is the next step towards a perfect introduction to electronics and programming. We've taken the original Circuit Playground Classic and made it even better! Not only did we pack even more sensors in, we also made it even easier to... In Stock [Buy Now](https://www.adafruit.com/product/3333) [Related Guides to the Product](https://learn.adafruit.com/products/3333/guides) ![A Black woman's manicured hand holds a round microcontroller with lit up LEDs.](https://cdn-shop.adafruit.com/640x480/3333-05.jpg) ### USB cable - USB A to Micro-B [USB cable - USB A to Micro-B](https://www.adafruit.com/product/592) This here is your standard A to micro-B USB cable, for USB 1.1 or 2.0. Perfect for connecting a PC to your Metro, Feather, Raspberry Pi or other dev-board or microcontroller Approximately 3 feet / 1 meter long Out of Stock [Buy Now](https://www.adafruit.com/product/592) [Related Guides to the Product](https://learn.adafruit.com/products/592/guides) ![USB cable - USB A to Micro-B - 3 foot long](https://cdn-shop.adafruit.com/640x480/592-01.jpg) If you're using an **iPad Pro** equipped with a **USB-C port** , skip the Lightning Adapter & USB A to Micro-B cable and simply use a **USB-C to Micro-B cable** : ### USB C to Micro B Cable - 1 ft 0.3 meter [USB C to Micro B Cable - 1 ft 0.3 meter](https://www.adafruit.com/product/3879) As technology changes and adapts, so does Adafruit! Rather than the regular USB A, this cable has  **USB C to Micro B**  plugs! USB C is the latest industry-standard connector for transmitting data _and_ power. Like Lightning and MagSafe cables, USB C has no... Out of Stock [Buy Now](https://www.adafruit.com/product/3879) [Related Guides to the Product](https://learn.adafruit.com/products/3879/guides) ![USB C to Micro B Cable. 1ft 0.3 meters.](https://cdn-shop.adafruit.com/640x480/3879-02.jpg) - [Next Page](https://learn.adafruit.com/use-circuitpython-devices-with-iphone-ipad/preparation.md) ## Featured Products ### iOS Lightning to USB OTG Cable [iOS Lightning to USB OTG Cable](https://www.adafruit.com/product/3940) Your iOS phone or tablet may not have a USB port on the bottom but that doesn't mean you can't use it to connect USB devices. Secretly known as a 'Camera Connector' or 'MIDI Connector' cable, this doohicky plugs into the bottom of your iOs device and gives you a USB A... In Stock [Buy Now](https://www.adafruit.com/product/3940) [Related Guides to the Product](https://learn.adafruit.com/products/3940/guides) ### Circuit Playground Express [Circuit Playground Express](https://www.adafruit.com/product/3333) **Circuit Playground Express** is the next step towards a perfect introduction to electronics and programming. We've taken the original Circuit Playground Classic and made it even better! Not only did we pack even more sensors in, we also made it even easier to... In Stock [Buy Now](https://www.adafruit.com/product/3333) [Related Guides to the Product](https://learn.adafruit.com/products/3333/guides) ### USB cable - USB A to Micro-B [USB cable - USB A to Micro-B](https://www.adafruit.com/product/592) This here is your standard A to micro-B USB cable, for USB 1.1 or 2.0. Perfect for connecting a PC to your Metro, Feather, Raspberry Pi or other dev-board or microcontroller Approximately 3 feet / 1 meter long Out of Stock [Buy Now](https://www.adafruit.com/product/592) [Related Guides to the Product](https://learn.adafruit.com/products/592/guides) ### USB C to Micro B Cable - 1 ft 0.3 meter [USB C to Micro B Cable - 1 ft 0.3 meter](https://www.adafruit.com/product/3879) As technology changes and adapts, so does Adafruit! Rather than the regular USB A, this cable has  **USB C to Micro B**  plugs! USB C is the latest industry-standard connector for transmitting data _and_ power. Like Lightning and MagSafe cables, USB C has no... Out of Stock [Buy Now](https://www.adafruit.com/product/3879) [Related Guides to the Product](https://learn.adafruit.com/products/3879/guides) ### Adafruit Feather M4 Express - Featuring ATSAMD51 [Adafruit Feather M4 Express - Featuring ATSAMD51](https://www.adafruit.com/product/3857) It's what you've been waiting for, the Feather M4 Express featuring ATSAMD51. This Feather is fast like a swift, smart like an owl, strong like a ox-bird (it's half ox, half bird, OK?) This feather is powered by our new favorite chip, the **ATSAMD51J19** -  with... In Stock [Buy Now](https://www.adafruit.com/product/3857) [Related Guides to the Product](https://learn.adafruit.com/products/3857/guides) ### Adafruit Feather M0 Express [Adafruit Feather M0 Express](https://www.adafruit.com/product/3403) At the Feather M0's heart is an ATSAMD21G18 ARM Cortex M0+ processor, clocked at 48 MHz and at 3.3V logic, the same one used in the new [Arduino Zero](https://www.adafruit.com/products/2843). This chip has a whopping 256K of FLASH (8x more than the Atmega328 or 32u4) and... Out of Stock [Buy Now](https://www.adafruit.com/product/3403) [Related Guides to the Product](https://learn.adafruit.com/products/3403/guides) ### Adafruit METRO M0 Express - designed for CircuitPython [Adafruit METRO M0 Express - designed for CircuitPython](https://www.adafruit.com/product/3505) Metro is our series of microcontroller boards for use with the Arduino IDE. This new **Metro M0 Express** board looks a whole lot like our [original Metro 328](https://www.adafruit.com/product/2488), but with a huge upgrade. Instead of the ATmega328, this Metro... In Stock [Buy Now](https://www.adafruit.com/product/3505) [Related Guides to the Product](https://learn.adafruit.com/products/3505/guides) ### Adafruit PyPortal - CircuitPython Powered Internet Display [Adafruit PyPortal - CircuitPython Powered Internet Display](https://www.adafruit.com/product/4116) **PyPortal** , our easy-to-use IoT device that allows you to create all the things for the “Internet of Things” in minutes. Make custom touch screen interface GUIs, all open-source, and Python-powered using tinyJSON / APIs to get news, stock, weather, cat photos,... In Stock [Buy Now](https://www.adafruit.com/product/4116) [Related Guides to the Product](https://learn.adafruit.com/products/4116/guides) ## Related Guides - [Adafruit Feather M0 Express](https://learn.adafruit.com/adafruit-feather-m0-express-designed-for-circuit-python-circuitpython.md) - [Adafruit Metro M0 Express](https://learn.adafruit.com/adafruit-metro-m0-express.md) - [Adafruit Circuit Playground Express](https://learn.adafruit.com/adafruit-circuit-playground-express.md) - [Adafruit Feather M4 Express](https://learn.adafruit.com/adafruit-feather-m4-express-atsamd51.md) - [Adafruit PyPortal - IoT for CircuitPython](https://learn.adafruit.com/adafruit-pyportal.md) - [Introducing Adafruit PyGamer](https://learn.adafruit.com/adafruit-pygamer.md) - [Adafruit MONSTER M4SK](https://learn.adafruit.com/adafruit-monster-m4sk-eyes.md) - [BOSEbuild Reactive Sound ](https://learn.adafruit.com/bosebuild-reactive-sound.md) - [Which CircuitPython Board is Right for You?](https://learn.adafruit.com/choose-your-circuitpython-board.md) - [Hello World of Robotics with Crickit](https://learn.adafruit.com/hello-world-of-robotics-with-crickit.md) - [Chinese Dragon Puppet with Motion-Reactive Flame Effect](https://learn.adafruit.com/chinese-dragon-puppet-with-motion-reactive-flame-effect.md) - [Make It a Keyboard](https://learn.adafruit.com/make-it-a-keyboard.md) - [Circuit Playground Express Treasure Hunt](https://learn.adafruit.com/circuit-playground-treasure-hunt.md) - [Comparison and Experimentation with Flammable Gas Sensors](https://learn.adafruit.com/gas-sensor-comparison.md) - [Circuit Playground Gizmo Ornaments](https://learn.adafruit.com/display-ornaments-with-circuit-playground.md) - [Rose's Shield - Steven Universe](https://learn.adafruit.com/rose-s-shield-steven-universe.md) - [Using Piezo Buzzers with CircuitPython & Arduino](https://learn.adafruit.com/using-piezo-buzzers-with-circuitpython-arduino.md) - [Dance-Reactive Tutu Sparkle Skirt](https://learn.adafruit.com/dance-reactive-tutu-sparkle-skirt.md) - [Magic Light Bag of Holding](https://learn.adafruit.com/magic-light-bag-of-holding.md) - [Animatronic Glowing Medusa Headdress](https://learn.adafruit.com/animatronic-glowing-medusa-headdress.md) - [PyPortal Winamp MP3 Player](https://learn.adafruit.com/pyportal-winamp-mp3-player.md) - [MONSTER M4SK Toon Hat](https://learn.adafruit.com/monster-mask-augmented-eyes-toon-hat.md)