Go Kart Light Relay

Go Kart Light bulb relay. This is a simple build. It just uses a relay shield and Arduino to control a set of relays and bulbs. It turns the bulbs from red to yellow to green. I used it when I built a go kart track for my daughters birthday....
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Toll Booth Controller

Toll Booth controller: So my kids wanted to have a toll booth, for whatever reason. They like pedaling through and stopping each other, having to pay imaginary money, whatever. So I built an Arduino controlled, servo lifting, box. It has leds for the signals-to let them know to go through...
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Chinese Laser Cutter

Cheapo Laser Cutter: It took a while to get the drivers and software setup correctly. And I still have to reverse the images to get them to engrave correctly, but for $200 bucks, it’s a great Chinese made laser engraver. It’s not too big, and it doesn’t cut-unless you engrave...
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