Free, downloadable schematics and libraries for popular CAD applications like Eagle. These can be used for reference or to design and produce your own modules. Find a technical flaw or oversight? Report it and earn a reward!

BoardX Motherboard Schematic

The official open source schematic of the BoardX Motherboard

AVR-X Schematic

The official open source schematic of the AVR-X Add-on

FRAM-X Schematic

The official open source schematic of the FRAM-X Add-on

ADC-X Schematic

The official open source schematic of the ADC-X Add-on.

ADC-X Code Examples

Learn how to read voltages with I2C and then print them to a serial terminal in C and Arduino using our free libraries

FRAM-X Code Examples

Learn how to read and write data to FRAM with I2C and then print it to a serial terminal in C and Arduino using our free libraries.

Add-on Template

A blank template for you to use to make your own add-ons for BoardX.

Main Port Add-on Template

A blank template for you to use to make your own Main Port add-ons for BoardX.

PROTO-X Schematic

The official open source schematic of the PROTO-X Add-on

XBee-X Schematic

The official open source schematic of the XBee-X Add-on