Implementing SimpleLink Wi-Fi Connectivity in a Smart Electric Meter


Design files


This design implements a three-phase energy meter with Wi-Fi connectivity. The e-meter SoC is used to perform all metrology functions and control the SimpleLink™ Wi-Fi transceiver. The smart meter data can then be displayed on any Wi-Fi connected device via a standard web browser.

  • Three-phase e-meter implementation that calculates metrology parameters such as RMS current, RMS voltage, active and reactive power and energies, power factor, and frequency
  • Wi-Fi connectivity over IEEE-802.11 b/g/n networks from any smart phone, tablet, or computer through a standard web browser
  • 160-segment LCD display for Wi-Fi status and metrology parameter display
  • Expandable to support other internet applications
  • PC-based GUI for calibration
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDU520.PDF (9545 K)

Reference design overview and verified performance test data

TIDRB12.PDF (234 K)

Detailed schematic diagram for design layout and components

TIDRB13.PDF (236 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRB14.ZIP (260 K)

Detailed overview of design layout for component placement

TIDRB15.ZIP (2386 K)

Files used for 3D models or 2D drawings of IC components

TIDC683.ZIP (1161 K)

Design file that contains information on physical board layer of design PCB

TIDRB16.ZIP (842 K)

PCB layer plot file used for generating PCB design layout


Includes TI products in the design and potential alternatives.

MSP430 microcontrollers

MSP430F67791Polyphase metering SoC with 7 Sigma-Delta ADCs, LCD, real-time clock, 512KB Flash, 32KB RAM

Data sheet: PDF | HTML
Wi-Fi products

CC3100SimpleLink™ 32-bit Arm Cortex-M3 Wi-Fi® wireless network processor

Data sheet: PDF | HTML
Wi-Fi products

CC3100MODSimpleLink™ Wi-Fi CERTIFIED™ network processor module for Internet-of-Things with 2 TLS/SSL

Data sheet: PDF

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Technical documentation

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* Design guide Implementing Wi-Fi Connectivity in a Smart Electric Meter Design Guide Sep. 30, 2014

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