Greenmodule

invention

finish line detector

by riptou

Published on January 3, 2015

This project detects when a model car reaches the track's finish line by using a sound trigger. The car gently slams into a plastic piece at the end of the track, and the sound trigger turns the circuit on to light up the LED and sound the buzzer.

Credits: ilo

Related Projects

Olympics Bicycle Race

The cyclist (you) must click back and forth between two buttons in order to make the bicycle move forward.  The faster you pe...

Drum Pattern Sequencer

Using the littleBits Sequencer to program a 4-part drum pattern, and adding a few tricks in for variation along the way!This patch...

3D-printable littleBits Connector Band

Keep your littleBits securely together with this super-low-profile connector band.