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New Wi-Fi Solutions for IoT

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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 a cloudless version, which allows control of the unit through a local Wi-FI network. Two other firmware variants are available: One with cloud integration for the worldwide markets using the Atmel Cloud by Proximetry solution, and one for the Chinese market using the JD Smart Cloud solution. Note that all hardware options supports all versions of the firmware.

Block Diagram

Atmel START:

Mobile apps:

  • Android app for local Wi-Fi control (Download from Google Play)
Reference Design - Smart PlugReference Design - Smart Plug

Principais recursos

  • Local Wi-Fi network solution
  • Dedicated hardware for secure authentication and key storage
  • Secured communication via Wi-Fi with ATSAMW25 module
  • Power and energy metering function with Smart Energy ATM90E26
  • QTouch capacitive touch button
  • Over-the-Air-Upgrade (OTAU) firmware upgrade
  • CE/FCC/UL&CUL certified

Código do Pedido Disponibilidade da Loja Atmel1 Preço unitário2 Comprar on-line

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)