RubberDucky like payloads for DigiSpark Attiny85

This project demonstrates how to interface the MQ-135 gas sensor with an Arduino to measure CO2 levels in parts per million (ppm).

Arduino Projects

The LASER Maze is a movie-style laser "security system" that is set up in our college classroom. Trick-or-treaters must dodge a web of red laser beams to avoid setting off the lights and sirens