KA7OEI's blog

Random musings - usually on a technical (nerdy) subject - perhaps related to amateur radio and things found at ka7oei.com and modulatedlight.org. No AI is used to generate this content.

Sunday, November 24, 2013

Improving the bass response of a (cheap) subwoofer amplifier system by reducing its bass response

Several weeks ago I happened to be at a local electronics type store (I'll admit it, it was Radio Shack!) and they had on clearance - f...

Monday, November 11, 2013

Attention-getting brake light "modulator" for a motorcycle.

Figure 1: Figuring out how to remove the tail light. It required removing the bracket and license-plate holder just to get to the bolt...

Tuesday, October 29, 2013

Fun with the Microchip PICKit 3 and the Sure Electronics DB-UD11111 ZIF adapter

For many years now I've been using my old, trusty Picstart Plus programmer for my PIC-based projects. Having used PICs since about 1990...

Monday, October 28, 2013

Repair of the speedometer on a Polaris Sportsman 500 4-wheeler

Important: If you are at this page you probably have a Polaris with a bad speedometer which means that you can't put it in 4 wheel dri...

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