This is a Kalman filter used to calculate the angle, rate and bias from from the input of an accelerometer/magnetometer and a gyroscope.
Software for "Guide to gyro and accelerometer with Arduino including Kalman filtering"
Neato XV-11 LIDAR connected to an STM32F429IDISCOVERY board for 360-degree range scanning and measurement
IoT featured soccer table - Soccer table with touch screens, online score registration and RGB strips
Control an WS2801 LED string with your Arduino and an Android app via Bluetooth
Source code for the native Windows application for the Balanduino
This is the Arduino version of the code for my balancing robot/segway
How to use a 50 pixel WS2801 LED String to make a 7x7 RGB LED Matrix - with Plasma effect and Snake game