In this project I did a Christmas jumper with rgb LEDs, this can also be a creative clothing project or whatever you want, it ...

The TLC5917 library allows control over the 8 channels (outputs) of a TLC5917 device. This library also support more than one device in a daisy chain (see below). The library allows to set the ...

Default value for maximum measurement distance is 4m, since HC-SR04 sensor can't measure reliably beyond that. However, if you are using another sensor or if you you don't care about distances larger ...