Posts tagged as:


PWM Disco Ball – Lights, Music, and Electric Cars

December 28, 2011

At home, I have a small LED light that is designed for use under cabinets. I use it mostly to illuminate one side of my aquarium, and I occasionally pull it out to use it as a light for filming video. The problem is that it is quite a bit brighter than the other LED […]

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PWM DC Motor Controller / LED Dimmer

April 21, 2011

Last week, I started work on a very basic DC Motor Controller.  It’s a really simple circuit that just turns voltage on and off, but very quickly (like about 1000 times a second..) By varying the time off vs time on of the circuit, a Light Emitting Diode (LED) can be dimmed, or a DC […]

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