22 Apr '17, 2pm

Little Laser Light Show is Cleverly Packaged, Cheap to Build

Little Laser Light Show is Cleverly Packaged, Cheap to Build

We’re suckers for any project that’s nicely packaged, but an added bonus is when most of the components can be sourced cheaply and locally. Such is the case for this little laser light show , housed in electrical boxes from the local home center and built with stuff you probably have in your junk bin. When we first came across [replayreb]’s write-up and saw that he used hard drives in its construction, we assumed he used head galvanometers to drive the mirrors. As it turns out, he used that approach in an earlier project , but this time around, the hard drive only donated its platters for use as low mass, first surface mirrors. And rather than driving the mirrors with galvos, he chose plain old brushed DC motors. These have the significant advantage of being cheap and a perfect fit for 3/4″ EMT set-screw connectors, designed to connect thin-wall conduit, also known as elec...

Full article: http://hackaday.com/2017/04/22/little-laser-light-show-is...

Tweets

My little gift

My little gift

watchprosite.com 22 Apr '17, 2pm

Watch_kha_wen 109 Show profile Show other posts Send PM My little gift Apr 22, 2017,06:49 AM From Rolex login to reply Com...

Go Wireless with This DIY Laser Ethernet Link

hackaday.com 22 Apr '17, 11am

Most of us have Ethernet in our homes today. The real backbones of the Internet though, use no wires at all. Optical fiber...

Perhaps a little moon phase?

Perhaps a little moon phase?

watchprosite.com 22 Apr '17, 8pm

Arie 6463 Show profile Show other posts Send PM Perhaps a little moon phase? Apr 22, 2017,12:54 PM login to reply Comments...

Ultraviolet Light Sensor For #Wearable Devices

Ultraviolet Light Sensor For #Wearable Devices

ecnmag.com 22 Apr '17, 12pm

Mass production technology for silicon based ultraviolet (UV) light sensors, suitable for smartphones and wearable devices...

How can you build an in-house #linkbuilding team?

searchengineland.com 23 Apr '17, 7pm

Getting traffic and attention through the ‘usual’ means of social media is simply not enough. You need a solid link-earnin...

8 packaged foods you can make yourself

8 packaged foods you can make yourself

treehugger.com 01 May '17, 11pm

Save money, eat more healthfully, consume less packaging and find a better connection with food and the process of making ...

Create your 'web presence' in no time. Build a ...

namecheap.com 29 Apr '17, 5pm

Namecheap for Individuals Business Resellers Create your pro web presence in no time. Choose Your Name You’ll need a domai...

Want a great tip on how to build back links?

Want a great tip on how to build back links?

seoimage.com 23 Apr '17, 4pm

Be honest. When was the last time you checked your backlink profile? Do you know the number of high PR backlinks on your w...

Automated Parts Counter Helps Build a Small Business

Automated Parts Counter Helps Build a Small Bus...

hackaday.com 21 Apr '17, 3pm

We love to see projects undertaken for the pure joy of building something new, but to be honest those builds are a dime a ...

Replace kerosene with a wind-up light

Replace kerosene with a wind-up light

electronicsweekly.com 23 Apr '17, 9am

Hang a 12.5kg bag of rocks the hook, and it slowly falls 2m over 20 minutes producing electricity for the LED. The artists...

New Part Day: Very Cheap LIDAR

hackaday.com 20 Apr '17, 11pm

Self-driving cars are, apparently, the next big thing. This thought is predicated on advancements in machine vision and ch...