Renewable Energy Mix Calculator Kit with Arduino Mega + LED
Renewable Energy Mix Calculator Kit with Arduino Mega + OLED — Measure Solar, Wind, Grid in Real Time
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Understanding how much of your energy comes from renewable sources is no longer a theoretical exercise. This kit turns a breadboard into a real-time energy mix dashboard, reading solar, wind, and grid power simultaneously through three INA219 sensors. The OLED display shows the exact green percentage at any moment, making it a perfect hands-on project for students, hackathon participants, and engineering undergraduates exploring smart grids and sustainable energy.
What You'll Build
You'll assemble a standalone calculator that continuously samples voltage and current from a 6V solar panel, a wind turbine input, and a 9V battery simulating the grid. The Arduino Mega stores timestamped data on a MicroSD card via an RTC, while the OLED screen displays real-time power readings and the renewable fraction. When sunlight is strong or a turbine spins, the green percentage climbs; when you rely on the battery, it drops — giving an immediate, intuitive understanding of energy mix dynamics.
What You'll Learn
- Interface multiple INA219 current sensors over I2C using a TCA9548A multiplexer
- Read time from a DS3231 RTC and log data to a MicroSD card
- Calculate real-time power and renewable fraction from three simultaneous inputs
- Debug serial protocols and manage multiple I2C addresses in one Arduino project
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Mega 2560 | 1 |
| INA219 | 3 |
| TCA9548A I2C Mux | 1 |
| Solar Panel 6V 2W | 1 |
| DS3231 RTC | 1 |
| MicroSD Module | 1 |
| 0.96in OLED | 1 |
| 4.7kΩ Resistors | 5 |
| 100nF Capacitors | 10 |
| 400-pt Breadboard | 1 |
| M-M Jumper Wires | 25 |
| 9V Battery Snap | 1 |
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
Engineered for CBSE Class 11-12 students building energy trackers, B.Tech ECE/EEE students prototyping smart grid mini projects, and teams at Smart India Hackathon or ATL Tinkering Labs needing a reliable energy measurement setup. The intermediate complexity also suits IIT, NIT, VIT, and BITS Pilani undergraduates who want to move beyond basic Arduino tutorials into practical power electronics and data logging.
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?
You’ll have immediate access to the AI companion via the QR code or WhatsApp, offering step-by-step guidance specific to this kit’s wiring and code. No need to search forums for scattered bits of help.
Can I use a real wind turbine instead of the battery input?
Yes, the kit includes a 9V battery snap for grid simulation, but the third INA219 channel is ready for any 0-26V source. Connect a small wind turbine generator and adjust the code’s calibration constants.
How do I calibrate the INA219 sensors for accurate readings?
Each sensor comes pre-configured, but the AI companion includes a calibration routine you run using a known load. It adjusts the current and voltage registers so your power calculations match real measurements closely.
Does this kit work for ATL Tinkering Lab demonstrations?
Absolutely. The clear OLED display and real-time updates make it ideal for exhibitions. Students can point the solar panel toward a window or lamp and watch the green percentage change instantly.
Three INA219 on solar, wind and grid feeds calculate real-time renewable fraction. OLED shows green percentage.
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