IoT Energy Meter using INA219 Sensor ESP8266 & Blynk 2.0
Published at : 23 Dec 2025
ESP8266 based Multifunction IoT Energy Meter using INA219 current sensor and Blynk IoT cloud. *************************************** Get 1-2 Layer PCBs only at $5 https://www.pcbway.com/?from=iotprojectsideas02 Build Time: Only 24 hour Gerber File of this project: https://iotprojectsideas.com/iot-energy-meter-using-ina219-sensor-esp8266-blynk/ *************************************** Today we will make an IoT-based energy meter using the INA219 sensor and ESP8266, NodeMCU, OLED Display, and Blink IoT Cloud. This small device can be very useful for you in your day-to-day life. It can measure Voltage, Current, Power, Energy, Capacity, and Energy cost calculated from energy consumption and energy price per kWh. We can monitor those calculated data on 0.96 inch OLED Display as well as on Blynk 2.0 IoT platform from anywhere in the world. We can use this little device for measuring the real capacity of the battery pack or power bank using a dummy load. It is suitable for almost any DC Device. It can measure voltage from 0 - 26V and a maximum current of 3.2A.
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Chapters: IoT Energy Meter using INA219 Sensor ESP8266 & Blynk *************************************** 0:00 Overview 0:47 About PCBWay.com 1:26 Components Required 1:45 IoT Energy Meter Circuit Diagram 2:32 Setting up Blynk IoT Dashboard 2:52 Creating Blynk New template 3:24 Creating New Blynk Datastream 4:15 Design the Blynk 2.0 Web Dashboard 4:35 Source Code/Program 5:17 Setting Blynk IoT 2.0 App 6:03 Project Demonstration 6:35 Conclusion *************************************** *********************** Follow us on Social Media: ► Facebook: https://facebook.com/iotprojectsideas ► Twitter: https://twitter.com/iotprojectsidea ► Website URL: https://iotprojectsideas.com ************************ Please Subscribe to this Channel and Never Miss any Future Projects ► Channel Link: https://www.youtube.com/channel/UCIzkX_IfPUG3WgC6nE_79mA