Precision Dual-BMP280 Altimeter Kit - Log Model Rocket Flight Profiles with Arduino Nano

Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.

Transform two BMP280 barometric pressure sensors into a flight-ready altimeter that cross-validates readings for sub-meter accuracy, then logs the entire flight curve to an SD card with real-time clock timestamps. This kit is built for university rocketry teams, engineering competitions, and serious hobbyists who need reliable altitude telemetry during model rocket launches. Every component is chosen to withstand the rigors of a high-G launch and deliver clean data you can trust for post-flight analysis.

What You'll Build

You'll assemble and program a compact altimeter board that reads dual barometric sensors through an I2C multiplexer, compensates for temperature drift, and writes timestamped altitude, pressure, and temperature data to a microSD card throughout the flight. The 0.96-inch OLED display provides real-time readings during ground checks, while the entire system runs off a rechargeable LiPo battery with onboard charging. By the end, you'll have a complete telemetry payload ready to install in a model rocket or high-altitude balloon.

What You'll Learn

• Use the TCA9548A multiplexer to read two BMP280 sensors on a single I2C bus without address conflicts
• Fuse dual sensor data to reduce altitude measurement errors below 1 meter
• Integrate a DS3231 real-time clock for precise timestamping of flight logs
• Design a self-contained power system with LiPo battery, TP4056 charging, and filtering for sensor stability

Kit Contents

Why Buy This Kit Instead of Sourcing Parts Separately

Who This Kit Is For

Designed for B.Tech ECE and EEE students at IIT, NIT, VIT, BITS Pilani, and beyond, working on model rocketry or payload telemetry for competitions such as Smart India Hackathon, Spaceport America Cup, or Inter-IIIT tech fests. It also suits ATL tinkering labs looking for an advanced soldering and sensor fusion project, and seasoned hobbyists in India's growing rocket enthusiast community who demand data integrity.

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.

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.