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-up on creating an Arduino based laser rangefinder.

Posted in Arduino Hacks Tagged arduino, hackaday.io, laser, range finder, sf02, sf02/f ← Teach An ATTiny 85 To Swear Bluetooth Thermometer Minds Your Meats → ...

Description 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 ...

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 ...

To generate these signals, I used an Arduino. One of the greatest challenges of the project was creating an analog output that was fast enough to move the galvo (and laser beam) so that it ...

Here’s the version of his laser engraver” DIY laser engraver components list : – Arduino Nano – 250mW 650nm Laser Module – A4988 Motor Driver – IRFZ44N Mosfet – LM7805 Voltage Regulator.