DC-DC Boost Converter Demo Kit with Arduino Uno + LED
Build an Adjustable DC-DC Boost Converter with Arduino Uno, INA219, and OLED Display
Every part needed to build an adjustable 12V-24V DC-DC boost converter with real-time power monitoring, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
You are about to build the core of a programmable power supply — a circuit that takes a 12V input and boosts it to any voltage you set up to 24V, all while a crisp OLED screen displays live voltage, current, and wattage. This hands-on project demystifies the working principles behind phone chargers, laptop adapters, and DC microgrids, making it an ideal anchor for school science exhibitions or introductory engineering coursework.
What You'll Build
By the time you solder the last joint and upload the code, you will have a bench-ready boost converter prototype. The Arduino Uno controls an IRF540N MOSFET via PWM to switch energy through an inductor, while the INA219 sensor feeds real-time electrical data to the OLED. The result is an adjustable power stage you can demonstrate, test with different loads, and integrate into larger robotics or IoT prototypes that demand stable, elevated DC voltages.
What You'll Learn
- How to regulate output voltage by varying PWM duty cycle on an Arduino Uno
- The operational principles of a DC-DC boost converter topology, including inductor charging and flyback action
- Real-time power measurement and calibration using an INA219 current sensor over I2C
- Interfacing a 0.96-inch OLED display with Arduino for live data visualization
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Uno R3 | 1 |
| IRF540N MOSFET | 1 |
| Schottky Diode 1N5819 | 1 |
| 100µH Inductor | 1 |
| 100µF 50V Cap | 2 |
| INA219 | 1 |
| 0.96in OLED | 1 |
| 10Ω Gate Resistors | 3 |
| PCB Prototype Board | 2 |
| 12V 2A PSU | 1 |
| Soldering Iron | 1 |
| Solder Wire | 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
This kit is built for CBSE Class 11-12 students preparing physics practicals or science fair demonstrations, first-year B.Tech ECE/EEE students tackling introductory power electronics labs, and ATL Tinkering Lab participants exploring energy conversion. It is also a solid choice for hobbyists and IIT/NIT/VIT/BITS engineering aspirants who want a tangible, working power electronics project for their portfolio, without chasing components across multiple web stores.
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 launch the AI companion, which has been trained on this boost converter project's exact schematics and code. You can also send your question and a photo over WhatsApp for direct troubleshooting guidance.
What happens if the output voltage does not change when I adjust the PWM?
Start by verifying the gate resistor is soldered correctly and that the IRF540N's source pin connects firmly to the common ground. The AI companion includes a systematic check from the Arduino signal pin all the way to the inductor-diode junction.
Do I need an oscilloscope to see if the boost converter is working?
No. The INA219 sensor and OLED display show the real-time output voltage and current, which is more than enough for a beginner to validate stable 12V-to-24V conversion. An oscilloscope is helpful for advanced noise analysis, but not required.
How much current can this circuit safely deliver at 24V?
This design is optimized for loads drawing around 200mA at 24V, perfect for powering sensor arrays, small motor drivers, or microcontroller peripherals. Building and testing within this range ensures the inductor and MOSFET operate well within their thermal limits.
Arduino PWM drives IRF540N boost converter. Output voltage adjustable 12V to 24V. INA219 measures power.
What's in this kit
- Arduino Uno R3
- IRF540N MOSFET
- Schottky Diode 1N5819
- 100µH Inductor
- 100µF 50V Cap x2
- INA219
- 0.96in OLED
- 10Ω Gate Resistors x3
- PCB Prototype Board x2
- 12V 2A PSU
- Soldering Iron
- Solder Wire
Choose your assembly option:
- Soldering Kit — 25W soldering iron, 60/40 solder wire, flux, and small perfboard for permanent assembly.
- Breadboard Combo — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.
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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