{"product_id":"elektor-esp32-energy-meter","title":"Elektor ESP32 Energy Meter","description":"\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003cp\u003eThe device uses a 110\/230 V\u003csub\u003eAC\u003c\/sub\u003e to 12 V\u003csub\u003eAC\u003c\/sub\u003e 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.\u003c\/p\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Energy Monitoring:\u003c\/strong\u003e Get detailed insights into your energy usage for smarter management and cost savings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable Software:\u003c\/strong\u003e Tailor functionality to your needs by programming and integrating custom sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Home Ready:\u003c\/strong\u003e Compatible with ESPHome, Home Assistant, and MQTT for full Smart Home integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe \u0026amp; Flexible Design:\u003c\/strong\u003e Operates with a 110\/230 V\u003csub\u003eAC\u003c\/sub\u003e to 12 V\u003csub\u003eAC\u003c\/sub\u003e step-down transformer and features a pre-assembled SMD board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick Start:\u003c\/strong\u003e Includes one Current Transformer (CT) sensor and access to free setup resources.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eESP32-S3-WROOM-1-N8R2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnergy Metering IC\u003c\/td\u003e\n\u003ctd\u003eATM90E32AS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Indicators\u003c\/td\u003e\n\u003ctd\u003e4x LEDs for power consumption indication\u003cbr\u003e2x Programmable LEDs for custom status notifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Input\u003c\/td\u003e\n\u003ctd\u003e2x Push buttons for user control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Output\u003c\/td\u003e\n\u003ctd\u003eI²C OLED display for real-time power consumption visualization\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e12~16 V\u003csub\u003eAC\u003c\/sub\u003e (via a step-down transformer 110\/230 V\u003csub\u003eAC\u003c\/sub\u003e to 12 V\u003csub\u003eAC\u003c\/sub\u003e)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamp Current Sensor\u003c\/td\u003e\n\u003ctd\u003eYHDC SCT013-000 (100 A\/50 mA) included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSmart Home Integration\u003c\/td\u003e\n\u003ctd\u003eESPHome, Home Assistant, and MQTT for seamless connectivity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eHeader for programming, Qwiic for sensor expansion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplications\u003c\/td\u003e\n\u003ctd\u003eSupports single-phase and three-phase energy monitoring systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e79.5 x 79.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eIncluded\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x Partly assembled board (SMDs are pre-mounted)\u003c\/li\u003e\n\u003cli\u003e2x Screw terminal block connectors (not mounted)\u003c\/li\u003e\n\u003cli\u003e1x YHDC SCT013-000 current transformer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRequired\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePower transformer not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDownloads\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.espressif.com\/sites\/default\/files\/documentation\/esp32-s3-wroom-1_wroom-1u_datasheet_en.pdf\" target=\"_blank\"\u003eDatasheet (ESP32-S3-WROOM-1)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/ww1.microchip.com\/downloads\/aemDocuments\/documents\/OTH\/ProductDocuments\/DataSheets\/Atmel-46003-SE-M90E32AS-Datasheet.pdf\" target=\"_blank\"\u003eDatasheet (ATM90E32AS)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2723\/6858\/files\/SCT013_5b22fa10-3b01-4e3e-a77a-49f08879930b.pdf\" target=\"_blank\"\u003eDatasheet (SCT013-000)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0626\/6280\/3788\/files\/FAQ_Elektor_ESP32_Energy_Meter.pdf\" target=\"_blank\"\u003eFrequently Asked Questions (FAQ)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFrom Prototype to Finished Product\u003c\/h2\u003e\n\u003cp\u003eWhat started as an \u003ca href=\"https:\/\/www.elektormagazine.com\/articles\/esp32-based-energy-meter-project-introduction\" target=\"_blank\"\u003einnovative project\u003c\/a\u003e to create a reliable and user-friendly energy meter using the ESP32-S3 microcontroller has evolved into a robust product. Initially developed as an \u003ca href=\"https:\/\/www.elektormagazine.com\/labs\/esp32-energy-meter-an-open-source-solution-for-real-time-energy-monitoring\" target=\"_blank\"\u003eopen-source project\u003c\/a\u003e, 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.\u003c\/p\u003e","brand":"Elektor Labs","offers":[{"title":"Default Title","offer_id":48885147959628,"sku":"21044","price":64.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/6280\/3788\/files\/Elektor-ESP32-Energy-Meter.jpg?v=1737984721","url":"https:\/\/www.qavlunxerzi.info\/products\/elektor-esp32-energy-meter","provider":"Elektor","version":"1.0","type":"link"}