Crypto Shield Hookup Guide
This Tutorial is Retired!
This tutorial covers concepts or technologies that are no longer current. It's still here for you to read and enjoy, but may not be as useful as our newest tutorials.
Contributors:
jbdatko, 
CaseyTheRobot
jbdatko, CaseyTheRobot 
Using the CryptoShield
There are two ways to use this shield:
With Linux on a board like the following. Not all of these have been tested, this is just a list of boards that claim to support Linux and support the physical Arduino form factor:
- pcDuino3
- Intel Edison Arduino Breakout Kit
- Atmel SAMA5D3 Xplained
- Atmel SAMA5D4 Xplained
- Rubix A10
- UDOO Board
- 86duino
- BeagleBone Black with the Shield Cape
- Any board that directly supports the Arduino IDE and the Arduino form-factor.
IO Voltage Levels
The CryptoShield is 3.3V and 5V friendly. The CryptoShield contains onboard logic level conversion circuitry. If the main board is properly supplying IOREF, as per the Arduino board specification, then the CryptoShield should work without any external voltage conversion.