The Secure 3 Click Board™ carries the ATSHA204A, a cryptographic coprocessor with secure hardware-based key storage from Microchip. The Click Board™ is designed to run on either 3.3V or 5V power supply. Secure 3 Click Board™ communicates with the target microcontroller over an I2C interface.
NOTE: The Secure 3 Click Board™ comes with stacking headers which allow you to combine it with other Click Boards™ more easily by using just one mikroBUS socket.