Step 1: The Big Idea. Arduino Due Laser Show (github added) - Duration: 1:08. But more than that, I want to take the software side of the project further.Arduino is good, but Raspberry Pi would be cooler.
This project uses an Arduino and some cheap audio speakers to create a real laser show with full X and Y axis control. This project uses an Arduino and some cheap audio speakers to create a real laser show with full X and Y axis control.The included source code lets you easily draw text and even simple pictures!You should be able to get most components locally (besides the Arduino).Assuming you already have an Arduino – expect to spend roughly $35 on this project.If you can upload a program to an Arduino and solder – you can probably build this project in an afternoon.Most laser shows use galvonometers (the little boxes in the picture) or “galvos”  to aim their mirrors.Galvonometers are electromechanical devices that rotate to different angles based on how much voltage they are provided.A minimum of two galvos are used – one for “X” (horizontal) control and one for “Y” (vertical control).The laser show’s controlling electronics quickly adjusts galvo voltages, and turns the laser on and off – moving it around so quickly that it appears to create a persistent image.Commercially available galvos can move to up to 50,000 different points each second.Galvos tend to be expensive – so we’ll be making our own out of audio speakers!An Arduino with an Atmega 168 should work – but be aware the project barely fits into its memory – so you may hit issues adding your own functionality.It’s assumed you have a programming cable, a computer with the Arduino environment installed, etc.Speaker quality does make a difference in performance.I’ve found speakers with large magnets and power ratings of 80 watts or more tend to work best.Look for something that might be capable of producing some bass. Wear the Many of the galvo driver rigs available online include a small power supply to provide +15 & -15V DC lines.

The galvanometers are really easy to damage. Do not “chain” the connection between the two galvos.Get Notified Whenever There Is A New Project In Your Desired CategoryThe Geiger–Müller counter is a relatively simple tool to measure ionizing radiation. I built a laser show using an Arduino, a laser pointer, a pair of cheap speakers. Some operational amplifiers (Op Amps) are used to “rescale” the 0-5V provided by the DACs to -12V to +12V. Aug 26, 2011, 11:00 am. OLSD has a few methods to control the blanking on your lasers, you should make use of these as they will be faster and better synchronised than using the standard You can test your rig with blanking disabled or disconnected, or completely absent if your laser doesn’t have that functionality.This is a reasonably safe thing to build. It’s a great little library and allowed me to avoid working with some of the lower-level Arduino hardware, namely the timers and interrupt handling.The real magic behind this project happens in the DAC (Digital to Analog Converter) chips. I have a lot of ideas but work has taken over my life a little at the moment. They worked quite well.I also had good luck with speakers having a resonant frequency of 81hz and a Qts of .96.I have also tested a set of speakers with a resonant frequency of 120hz and Qts of 1.4 – which resulted in My suggestion would be to look for a driver with a Qts between .5 and 1 with a resonant frequency between 50hz and 85hz.Other speaker parameters (like Vas) may or may not effect project performance.Look for close-outs / deals. Most of this project was directly adapted from the excellent Arduino Laser Show with Full X-Y Control by Rich Olson / nothinglabs.. You need two connections to a serial port, to 3.3V RX and from 3.3V TX on a 3.3V Arduino.

Project in progress by Josh From BreakoutBros.com. TTL (Transistor-Transistor Logic - effectively 5V for “On” and 0V for “Off”) blanking is supported by a lot of laser modules and you can interface with it using the digital output pins on the Arduino.


Because servo/steppers are too slow and you would see just the laser dot moving, instead of a whole shape. A ballpoint pen spring with a tiny mirror glued to the top produces some fascinating oscillating patterns when you shine a simple laser pointer at it - imagine what you can do when you introduce digital control and high precision…Projecting the ILDA test pattern onto my wall. Building the Circuit for Our Christmas Light Show With Arduino Set up the circuit as shown in the diagram and connect an external relay power source. As of last check, these drivers: If you want to try testing your own speakers – take a look at this site: This project requires positioning the laser and both “galvos” (speakers) so the laser bounces off the first galvo, onto the second galvo, then onto the wall.While this isn’t a high-precision operation – it can be a little tricky.The right tools for the job will depend on the exact size and shape of your speakers.If you don’t already have the items below – look in your toolbox and junk drawer and improvise!Mark two 1.5 inch squares on the back of the acrylic camping mirror.Cut out the mirror squares using a band saw, hacksaw or rotary tool.If using a band saw – cut face-down with a paper towel between the saw table and mirror to prevent scratching.Be careful not to peel off the mirror’s shiny backing.Use the hot glue gun to mount Lego blocks on opposite sides of one of the speakers as pictured.The top of the Legos should be about 1/4″ above the foam surround of the speakers. This is crucial to drawing anything that isn’t a simple closed shape. Arduino Laser Tripwire. This video shows you how to connected and use Laser transmitter module with laser sensor module to detect laser beam and turn ON or OFF a buzzer or relay or light. To create laser tunnels, text, images,... aalex_arduino

> Arduino Laser Show; Print.