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New Wi-Fi Solutions for IoT


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Introduction

The Atmel® Smart Plug is a reference design targeting any secure Internet of Things (IoT) design. It contains all the core functionality required for a secure Internet-connected product. The Smart Plug is a Wi-Fi-enabled power plug that can be controlled in three ways: locally using the capacitive touch button, using a mobile App with Wi-Fi connection (with or without cloud), or using on/off timing scheduled via a mobile App. The design is based on the Atmel SmartConnect ATSAMW25 module, as well as an ECC508A crypto device, to realize ARM® Cortex®-M0+ microcontroller (MCU) processing, Wi-Fi connection, Atmel CryptoAuthentication™ with ultra-secure hardware-based key storage and Atmel QTouch® capacitive touch buttons. It also features the ATM90E26 device, which is a sensor for energy metering functions. Three models are available: US, EU and Chinese standards.

This design targets an Atmel Cloud (by Proximetry) version, which allows control of the unit through a mobile app and through the Atmel Cloud. Two other firmware variants are available: One with cloud integration for the Chinese market using the JD Smart Cloud solution, and one cloudless version, which allows control of the unit through a local Wi-Fi network. Note that all hardware options supports all versions of the firmware.

Block Diagram




Atmel SMART:

Atmel cloud portal on Proximetry:

Mobile Apps:

  • Android app for local Wi-Fi control (Download from Google Play)
Reference Design - Smart Plug with Proximetry CloudReference Design - Smart Plug with Proximetry Cloud

Key Features

  • Proximetry connectivity solutions with low footprint Agent library and SDK
  • Proximetry AMP v2.6 protocol optimized for low bandwidth and lossy sensor networks
  • Automatic device registration
  • Remote control, scheduled control, and group operation with the Cloud
  • Mutual authentication with the Proximetry Cloud using X.509 certificates
  • Device sensors data collection and UI for browsing historical data on graphs


Ordering Code Atmel Store Availability1 Unit Price2 Buy Online
ATSMARTPLUG-US
ATSMARTPLUG-EU
ATSMARTPLUG-CN



1Backlog orders can be placed for items currently not available.
2Suggested retail price per unit for budgetary use only.

 


ATSMARTPLUG-CN: China (type I), ATSMARTPLUG-EU: EU (type F), ATSMARTPLUG-US: US and Canada (type B)