This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...

This is a very simple but useful project, strobe navigation lights for rc airplanes, or you can adjust the flashing time and make it a warning light for a forklift or even a turn signal light for a ...

b) Sysfs group to control rgb, fade, hsb, scripts ... This extended interface is available as folder blinkm in the sysfs folder of the I2C device. E.g. below /sys/bus ...