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Required Hardware

Before you get started, make sure you have all required hardware.


Raspberry Pi 4B (4GB) kits are now available, with everything you need to run PrintNanny.

Continue reading if you want to purchase your own hardware.

1. Raspberry Pi 4, Model B

  • Minimum: 2GB RAM
  • Recommended: 4GB RAM

Search to find an approved Raspberry Pi reseller.

2. Power Supply

  • 5.1V / 3.0A DC output
  • 96-264Vac operating input range

Inadquate power will impact the quality of your prints and limit PrintNanny's ability to catch defects.

The official Raspberry Pi 15W USB-C Power Supply is recommended.

3. Camera

PrintNanny is known to work with the following cameras:


Do you have a camera not listed above? No problem!

Create a new Github issue to request support for your camera..

4. Heatsinks

  • Minimum: CPU heatsink
  • Recommended: heatsinks CPU, USB, ethernet, and RAM chip

For help installing the heatsinks, check out How to Install Heatsinks on the Raspberry Pi 4.

Image showing dimensions and locations of heatsinks on Raspberry Pi board.

5. Micro SD card

  • Minimum: 10MB/s write speed

You'll need an SD card with UHS speed class 1 or UHS speed class 3.

SD Card Selection Guide

6. USB to SD card adaptor (optional)

If your computer doesn't have SD card slot, you'll need a USB to SD card adaptor.

SD Card Selection Guide