ESP32 Energy Monitor Dashboard Kit - IoT Power Meter with Live Web Charts
ESP32 Energy Monitor Dashboard Kit - Build a Real-Time IoT Power Meter with Live Web Charts
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Monitor real-world electrical consumption with industrial-grade accuracy. This kit equips you to build a dashboard that charts voltage, current, power, and cumulative energy in real time on any browser - perfect for understanding load patterns in a home, lab, or school setting. The PZEM-004T energy meter connects to any AC appliance under 100A, while the ESP32 pushes data over MQTT and displays live plots.
What You'll Build
You'll assemble a fully functional energy monitoring station that shows live metrics on a locally hosted web page and a crisp OLED screen. Connect the PZEM-004T sensor to a geyser, air conditioner, or lab bench, and watch the ESP32 deliver voltage, current, power, and cumulative energy readings to any phone or laptop on the same Wi-Fi. The built-in web chart updates second by second, helping you visualise consumption spikes and idle periods instantly.
What You'll Learn
- How to interface a PZEM-004T energy meter with ESP32 over UART
- Publishing sensor data to an MQTT broker for IoT applications
- Creating a live-updating web dashboard using HTML/CSS/JavaScript served from ESP32
- Practical AC power measurement concepts like power factor and cumulative energy calculation
Kit Contents
| Component | Quantity |
|---|---|
| ESP32 Dev Board | x1 |
| PZEM-004T Energy Meter | x1 |
| 0.96in OLED | x1 |
| LM2596 Buck Converter | x1 |
| 100nF Caps | x5 |
| 4.7k? Resistors | x5 |
| 400-pt Breadboard | x1 |
| M-M Wires | x20 |
| Micro USB Cable | x1 |
Why Buy This Kit Instead of Sourcing Parts Separately
| Factor | Sourcing Separately | Compoden Kit |
|---|---|---|
| Compatibility checks | You verify every part | Pre-tested as a system |
| Build support | Forums and scattered tutorials | AI companion trained on this exact project |
| Time to first working build | Days of debugging | Hours, with step-by-step guidance |
| Shipping coordination | Multiple sellers, multiple delays | One shipment from Bengaluru in 3-5 days |
Who This Kit Is For
This kit is designed for Indian students and makers aged 15 and above who want to move beyond simple sensor readings into real IoT dashboards. Whether you're a CBSE Class 12 student exploring smart energy concepts for a science exhibition, a B.Tech ECE/EEE second-year building a mini project, or a Smart India Hackathon team prototyping an energy monitoring solution, this kit gives you everything needed to succeed. It's equally suited for ATL Tinkering Labs and hobbyists who love practical, data-driven projects.
Built and Backed by Compoden
Every Compoden kit ships with an AI build companion trained on this exact project - accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.
What if I get stuck during the build?
Scan the QR code on the box to chat with our AI build companion trained on this project. For further help, our team is available on WhatsApp and typically responds in a few hours.
Can I monitor AC mains voltage safely with this kit?
Yes, the PZEM-004T uses a non-invasive current transformer clamp (100A) and voltage measurement via safe terminal blocks. Rated for 80-260V AC, it works safely with Indian domestic supplies when installed as directed. Always exercise caution with live circuits.
Do I need a separate MQTT server?
No, the kit includes code to run a lightweight MQTT broker on the ESP32 itself, or you can use a free public broker. The project works out of the box on your local Wi-Fi without any external server.
What can I power with this dashboard?
Monitor any single-phase appliance under 100A - room AC, geyser, lab equipment, or even a whole floor distribution. The dashboard shows real-time energy consumption, helping you analyse load patterns and estimate electricity costs.
PZEM-004T measures voltage, current, power and energy. ESP32 publishes to MQTT and serves live web chart.
What's in this kit
Other projects you can build
Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items