The Simple Kalman Filter. ... The sketch takes input from a potentiometer and produces a fair LED fade, using the CIE1931 perceived lightness formula. ... The wiper of the 10K potentiometer is wired ...

This DIY gas leakage detector is designed for educational and basic monitoring purposes. For critical safety applications, ...

This is a simple arduino project for a soil moisture sensor that will light up a LED at a certain moisture level. It uses Arduino Duemilanove microcontroller board. Two wires placed in the soil pot ...

An Arduino with 40 lines of code, a temperature resistor, and servo are all that’s truly needed to save some dough with this thermostat by [Peter Hamilton]. LEDs and a potentiometer are added… ...