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Laser Show Motor Controller

Here’s a fun idea I had while quarantined during the 2020 pandemic. I have a bunch of these cheap laser modules that can easily be driven from an Arduino with 5V, and they only draw 20mA of current. I also have a handful of cheap vibration motors. What happens...

Individually Addressable Incandescent Lamps

Everyone playing with electronics these days knows about LED strips made of dozens or hundreds of individually addressable RGB LEDs. I love them and make great use of them in the nootropic design Lumazoid music visualizer. But what about incandescent lamps? Old-school...

I’m Featured in the New Book “Maker Pro”!

I’m so happy to be one of the authors of the new book Maker Pro edited by John Baichtal. Maker Pro is a collection of essays by makers who have gone pro by starting their own businesses. Last year John asked me to write an essay about my experiences, and I...

Tabasco Bottle LED Mood Lamp

I love Tabasco and always though that their cute little miniature bottles could be the basis for a great specialty lamp. I was very happy to find that a 3mm LED fits perfectly in the bottle opening of the miniature bottles. By designing a custom circuit board I was...