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Hardware Requirements for Alexa Gadgets

This topic lists the hardware requirements for Alexa Gadgets.

Requirements

Description Requirement

MCU/CPU

Varies based on the desired experience. As a reference, the Echo Wall Clock uses an ARM-Cortex M4 family SOC clocked at 48 MHz.

Memory

A minimum of 16 KB for protocol buffer and security support. The memory requirement may be higher depending on the complexity of the gadget.

Bluetooth

Your gadget must support Classic Bluetooth (Bluetooth 4.2 or above).

Pairing

Your gadget must be able to enter pairing mode, either via a mechanical button or switch, or through some other mechanism like powering off and on.