Circup is a software utility that makes it easy to install and update the libraries in the lib folder on your CircuitPython devices. It can install new libraries, and also determine if any libraries need updating and perform that updating.

Circup was originally written by Nicholas Tollervey.

This kind of utility is especially useful with some of our M4 CircuitPython devices that can handle lots of libraries such as the Adafruit Grand Central M4 Express.

Top down shot of a Adafruit Grand Central M4 Express featuring the SAMD51.
Are you ready? Really ready? Cause here comes the Adafruit Grand Central featuring the Microchip ATSAMD51. This dev board is so big, it's not...

The PyPortal is packed with so many features, that it uses a lot of libraries, making this tool especially useful.

Front view of a Adafruit PyPortal - CircuitPython Powered Internet Display with a pyportal logo image on the display.
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...

Our PyGamer and PyBadge also use quite a few libraries.

Angled shot of Adafruit PyGamer for MakeCode Arcade, CircuitPython or Arduino.
What fits in your pocket, is fully Open Source, and can run CircuitPython, MakeCode Arcade or Arduino games you write yourself? That's right, it's the Adafruit...
Angled shot of a Adafruit PyBadge for MakeCode Arcade, CircuitPython, or Arduino.
What's the size of a credit card and can run CircuitPython, MakeCode Arcade or Arduino? That's right, its the Adafruit PyBadge! We wanted to see how much we...

Another very popular option is the Adafruit Feather M4 Express.

Angled shot of a Adafruit Feather M4 Express.
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,...

If you would like something in between, you can go with the Adafruit Metro M4 Express.

Angled shot of a Adafruit Metro M4 feat. Microchip ATSAMD51.
Are you ready? Really ready? Cause here comes the fastest, most powerful Metro ever. The Adafruit Metro M4 featuring the Microchip ATSAMD51. This...

If you need a Metro M4 that can also do WiFi, you may like the Adafruit Metro M4 Express Airlift Lite.

Adafruit Metro M4 Airlift Lite dev board with SAMD51 an ESP32 Wifi Co-processor.
Give your next project a lift with AirLift - our witty name for the ESP32 co-processor that graces this Metro M4. You already know about the Adafruit Metro...

This guide was first published on Sep 18, 2019. It was last updated on Jun 07, 2024.

This page (Overview) was last updated on May 19, 2024.

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