Avionics & Embedded Control • ECE • Mechatronics • EEE • 3rd Year Mini Project (5th/6th Sem)
STM32 Quadcopter Flight Controller
A hands-on embedded flight controller executing 500Hz Complementary Filter sensor fusion and cascaded PID loops on STM32 ARM hardware for multirotor stabilization.
Hardware Bench Preview
Component Bill of Materials (BOM)
Total: ₹980 1. STM32F103C8T6 ARM Cortex-M3 "Blue Pill" Board
Qty: 1 ₹190
2. ST-Link V2 USB Programmer & In-Circuit Debugger
Qty: 1 ₹210
3. MPU6050 6-Axis I2C Gyroscope and Accelerometer
Qty: 1 ₹180
4. 4-Channel Micro PWM ESC Signal Breakdown Board
Qty: 1 ₹160
5. NRF24L01+ 2.4GHz RF Transceiver with Antenna
Qty: 1 ₹180
6. 3.3V Ultra-Low Dropout Linear Voltage Regulator Module
Qty: 1 ₹60
Academic Deliverables Included
- ✓ 35-page university Minor Project report formatted to standard college guidelines
- ✓ Hardware connection schematics with pinout table and breadboard wiring map
- ✓ Complete Keil µVision / STM32CubeIDE C firmware with detailed inline comments
- ✓ Mini Viva question guide explaining PID tuning matrices and sensor fusion math
Bench Testing Benchmarks
- • 500Hz sensor fusion loop utilizing complementary filter for angle estimation
- • Sub-millisecond cascaded PID rate/attitude calculations with zero delay loops
- • Hardware timer capture for fail-safe PPM/PWM radio receiver input decoding
- • Oscilloscope-verified ESC PWM output jitter under 2 microseconds