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PCBs made using a Laser Cutter

PCBs made using a Laser Cutter

If you have a laser cutter and need a double sided PCB made the same day you can give this method a try. You first paint the PCB on both sides with spray paint to act as a etching resist.

Published: April 11th, 2014

Thermometer and Hygrometer with Analog Displays

Thermometer and Hygrometer with Analog Displays

 Kerry Wong built this Thermometer and Hygrometer with Analog Displays instead of the typical digital display.  Via: Electronics Labs and Dangerous Prototypes  The circuit itself is as simple as it gets.

Published: April 11th, 2014

Nixie Bargraph Clock

Nixie Bargraph Clock

This is a cool Nixie Bargraph Clock that has an hour and minute tube, the heights of the plasma in each tube indicates the time. There are some wires wrapped around the tubes so you can easily see what time it is without estimating.

Published: April 11th, 2014

RC Car using Arduino, PS3 Controller and XBee

RC Car using Arduino, PS3 Controller and XBee

OtakuSanel built a cool RC car that uses an Arduino, PS3 Controller and a few XBee transmitters. The RC car electronics are totally custom allowing him to take full control of the car functions using his PS3 controller.

Published: April 2nd, 2014

Etch A Sketch Laser Cutter

Etch A Sketch Laser Cutter

Laser machines are very useful pieces of gear. You can send a very precise file to it and it will cut or etch it perfectly and accurately as many times as you like.

Published: April 2nd, 2014

RGB Lamp made from an old Scanner

RGB Lamp made from an old Scanner

In really old scanners you will normally find a florescent light source but new ones use a RGB light bar to shine on the document being scanned.

Published: March 24th, 2014

Toothbrush Timer using a 555 Timer Chip

Toothbrush Timer using a 555 Timer Chip

In this project Steve Hoefer uses some electronics to create some fun chattering teeth that will give you some fun incentive to keep brushing your teeth for long enough to maximize effectiveness.

Published: March 24th, 2014

Arduino Based Z Axis Laser Cutter Controller

Arduino Based Z Axis Laser Cutter Controller

   Many laser machines have very crude table positioning for Z control. Martin Raynsford wanted to add some additional Z table control to his laser machine.

Published: March 15th, 2014

Ping Pong Robot

Ping Pong Robot

 If you hate when you dont have a partner to play ping pong with you why not build a robot. Ulf Hoffmann is an industrial mechanic and has some creative ideas.

Published: March 15th, 2014

DIY Arduino SVG Plotter

DIY Arduino SVG Plotter

With a used printer and a handful of inexpensive parts you can make your own old school plotter. I remember when plotters were all the rage, if you had a high end one it could even handle multiple colored pens and change them automatically.

Published: March 7th, 2014


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