Smart Arduino Power Meter Using SCT-013 & ZMPT101B Sensor

Published at : 23 Dec 2025

Smart Arduino Power Meter SCT-013 Current Sensor & ZMPT101B Voltage Sensor.

Want to build a reliable DIY Arduino Energy Monitor for your home or workshop? In this in-depth tutorial, learn how to create an Arduino Power Meter using the SCT013 current sensor, ZMPT101B voltage sensor, and a relay module for automatic overvoltage and undervoltage protection. Perfect for energy monitoring, smart home projects, and industrial safety!

🔌Electronic Parts:
Arduino Nano: https://amzn.to/43JiD0X
16x2 LCD Display (I2C Module): https://amzn.to/4mQ6TTe
20x4 LCD Display (I2C Module): https://amzn.to/442wMYr
ZMPT101B Voltage Sensor: https://amzn.to/4dKUfk8
SCT013 Current Sensor Module: https://amzn.to/3Ho8y2h
5 Volt Relay Module: https://amzn.to/4jBS7wm
Push Button: https://amzn.to/3ZeoaLO
Veroboard: https://amzn.to/4kT1id5

🔗 Download Code & Schematics:
https://circuitdiagrams.in/arduino-power-meter-with-voltage-protection

🔧 Components & Tools:
Arduino Nano (or compatible)
SCT013-000 Non-Invasive AC Current Sensor
ZMPT101B Voltage Sensor Module
16×2 / 20×4 LCD Display + I2C Module
5V Relay Module (SSD Relay)
Resistors, Wires & Breadboard/PCB

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Don’t forget to hit the 🔔 for more DIY electronics and Arduino tutorials.

📸 Gear Used:
Camera: Sony Alpha ZV-E10M2K (16-50mm Power Zoom Lens) [https://amzn.to/4rePypn]
Tripod: DIGITEK DPTR 895VD [https://amzn.to/42y7Cjd]

📱 Connect & Follow:
🌐 Website: https://www.circuitdiagrams.in
🐙 GitHub: https://github.com/tanmoykundu80
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✉️ Email: info@circuitdiagrams.in

🔍 Tags:
#ArduinoEnergyMonitor #DIYPowerMeter #SCT013 #ZMPT101B #VoltageProtection #Overvoltage #Undervoltage #HomeEnergyMonitoring #SmartHomeDIY #ArduinoProjects #ElectroGadget #CircuitDiagrams #EmbeddedSystems #EnergyEfficiency