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Project  Laser Harp

Laser Harp

“The laser harp is an electronic instrument that is played by blocking laser beams. Several laser beams are produced, and a note is played when one of the beams is blocked by the player, similar to plucking a stick on …

Low cost OBD2 communications on K-line (ISO 9141-2 and ISO 14230-4)

“This is just another OBD2 solution for monitoring the sensors in a verhicle. It supports the K-line OBD2 serial communication between a verhicle and a microcontroller. This K-line communication is also known as ISO 9141-2 or ISO 14230-4 (also known …

Make Your Own LED Sign VU Meter

“In this project I will show you how to create a custom LED sign that reacts to the loudness of your music, just like a VU meter does.”

master clock driver for antique slave clocks

“Big old wall clocks that were used in facilities such as schools, factories and hospitals are very appealing and will probably never go out of style. They are very durable and almost never break down due to very simple mechanism …

MSP430 VFD Clock Manhattan Style

“I wanted to do a follow-up to my last clock build, the MSP430 Analog Gauge Clock, reusing some of the code from that project, and I had an IV-18 vacuum florescent display (VFD) tube that I bought on Ebay …

Neopixel Ampli-Pelz Tuxedo Lights

“Will you be king of the prom or just prince? Bask in the purple glow or in any color of the rainbow. Mod your tuxedo jacket(rented or not), regular suit jacket or blazer lapels to light up. For partying …

OpenDrop Digital Microfludics Plattform

“OpenDrop is a new design for an open source digital microfludics platform for research purposes. The device uses recent electro-wetting technology to control small droplets of liquids. Potential applications are lab on a chip devices for automating processes of digital …

PCB UV Exposure Unit

“A UV exposure box is an extremely useful piece to make PCBs. I have searched and found that they are too big and too expensive for my uses. In addition, all the devices require an external power sorce. Thereupon I …

Plug And Play remote relay (Raspberry and Arduino and reading sensors)

“The goal was to create easy to use End to End control over power sockets using relay, including (and maybe mainly) Web GUI and automation. As always I try to use existing solutions and rely as little as possible on …

Powered Camera Slider

“This instructable was created in fulfillment of the project requirement of the Makecourse at the University of South Florida (www.makecourse.com) Thank you for viewing my instructable on the powered camera slider. Before starting, I would like to note …