Elektor ESP32 Energy Meter Kit

  • BrandElektor Labs

Description

The Elektor ESP32 Energy Meter is a device designed for real-time energy monitoring and smart home integration. Powered by the ESP32-S3 microcontroller. it offers robust performance with modular and scalable features.

The device uses a 220 V-to-12 V step-down transformer for voltage sampling. ensuring galvanic isolation and safety. Its compact PCB layout includes screw-type terminal blocks for secure connections. a Qwiic connector for additional sensors. and a programming header for direct ESP32-S3 configuration. The energy meter is compatible with single-phase and three-phase systems. making it adaptable for various applications.

The energy meter is simple to set up and integrates with Home Assistant. offering real-time monitoring. historical analytics. and automation capabilities. It provides accurate measurements of voltage. current. and power. making it a valuable tool for energy management in homes and businesses.

Features

  • Comprehensive Energy Monitoring: Get detailed insights into your energy usage for smarter management and cost savings.
  • Customizable Software: Tailor functionality to your needs by programming and integrating custom sensors.
  • Smart Home Ready: Compatible with ESPHome. Home Assistant. and MQTT for full Smart Home integration.
  • Safe & Flexible Design: Operates with a 220 V-to-12 V step-down transformer and features a pre-assembled SMD board.
  • Quick Start: Includes one Current Transformer (CT) sensor and access to free setup resources.

Specifications

Microcontroller ESP32-S3-WROOM-1-N8R2
Energy Metering IC ATM90E32AS
Status Indicators 4x LEDs for power consumption indication
2x Programmable LEDs for custom status notifications
User Input 2x Push buttons for user control
Display Output I²C OLED display for real-time power consumption visualization
Input Voltage 110/220 V AC (via step-down transformer)
Input Power 12 V (via step-down transformer or DC input)
Clamp Current Sensor YHDC SCT013-000 (100 A/50 mA) included
Smart Home Integration ESPHome. Home Assistant. and MQTT?for seamless connectivity
Connectivity Header for programming. Qwiic for sensor expansion
Applications Supports single-phase and three-phase energy monitoring systems
Dimensions 79.5 x 79.5 mm

Included

  • 1x Partly assembled board (SMDs are pre-mounted)
  • 2x Screw terminal block connerctors (not mounted)
  • 1x YHDC SCT013-000 current transformer

Required

  • Power transformer not included

Downloads


From Prototype to Finished Product

What started as an innovative project to create a reliable and user-friendly energy meter using the ESP32-S3 microcontroller has evolved into a robust product. Initially developed as an open-source project. the ESP32 Energy Meter aimed to provide precise energy monitoring. smart home integration and more. Through meticulous hardware and firmware development. the energy meter now stands as a compact. versatile solution for energy management.

Product form

The Elektor ESP32 Energy Meter is a device designed for real-time energy monitoring and smart home integration. Powered by the... Read more

€ 79,95€ 64,95 incl. VAT
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    • Ship today? Order within Feb 19, 2025 17:00:00 +0100

    Details

    SKU: 21044
    EAN: 7442105133192

    Description

    The Elektor ESP32 Energy Meter is a device designed for real-time energy monitoring and smart home integration. Powered by the ESP32-S3 microcontroller. it offers robust performance with modular and scalable features.

    The device uses a 220 V-to-12 V step-down transformer for voltage sampling. ensuring galvanic isolation and safety. Its compact PCB layout includes screw-type terminal blocks for secure connections. a Qwiic connector for additional sensors. and a programming header for direct ESP32-S3 configuration. The energy meter is compatible with single-phase and three-phase systems. making it adaptable for various applications.

    The energy meter is simple to set up and integrates with Home Assistant. offering real-time monitoring. historical analytics. and automation capabilities. It provides accurate measurements of voltage. current. and power. making it a valuable tool for energy management in homes and businesses.

    Features

    • Comprehensive Energy Monitoring: Get detailed insights into your energy usage for smarter management and cost savings.
    • Customizable Software: Tailor functionality to your needs by programming and integrating custom sensors.
    • Smart Home Ready: Compatible with ESPHome. Home Assistant. and MQTT for full Smart Home integration.
    • Safe & Flexible Design: Operates with a 220 V-to-12 V step-down transformer and features a pre-assembled SMD board.
    • Quick Start: Includes one Current Transformer (CT) sensor and access to free setup resources.

    Specifications

    Microcontroller ESP32-S3-WROOM-1-N8R2
    Energy Metering IC ATM90E32AS
    Status Indicators 4x LEDs for power consumption indication
    2x Programmable LEDs for custom status notifications
    User Input 2x Push buttons for user control
    Display Output I²C OLED display for real-time power consumption visualization
    Input Voltage 110/220 V AC (via step-down transformer)
    Input Power 12 V (via step-down transformer or DC input)
    Clamp Current Sensor YHDC SCT013-000 (100 A/50 mA) included
    Smart Home Integration ESPHome. Home Assistant. and MQTT?for seamless connectivity
    Connectivity Header for programming. Qwiic for sensor expansion
    Applications Supports single-phase and three-phase energy monitoring systems
    Dimensions 79.5 x 79.5 mm

    Included

    • 1x Partly assembled board (SMDs are pre-mounted)
    • 2x Screw terminal block connerctors (not mounted)
    • 1x YHDC SCT013-000 current transformer

    Required

    • Power transformer not included

    Downloads


    From Prototype to Finished Product

    What started as an innovative project to create a reliable and user-friendly energy meter using the ESP32-S3 microcontroller has evolved into a robust product. Initially developed as an open-source project. the ESP32 Energy Meter aimed to provide precise energy monitoring. smart home integration and more. Through meticulous hardware and firmware development. the energy meter now stands as a compact. versatile solution for energy management.

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