Lasers are some of the coolest devices around. We can use them to cut things, create laser light shows, and also as a rangefinder.[Ignas] wrote in to tell us about [Berryjam’s] AMAZING write-… ...

4. Connect the breadboard rails to Arduino GND and +5V, and then check that your setup matches that of Figure 10-3. Mounting the Laser. For this project, I’ve attached the servos to a pan-and ...

A light-based Morse code communication system using Arduino, laser transmitter, and LDR receiver. This project transmits text as encoded laser pulses (encoded by duration) and decodes received signals ...

The beam is captured by solar cell which acts as a photodetector in receiver. The received data will be demodulated in Arduino to be displayed in serial monitor to observe the communication ...