futz f&ts v.i. To tinker experimentally; to change something just to see what it does

I was recently looking at Microchip's PIC10F322 microcontroller and thought it was a very capable little MCU for its price (and size). It has some really interesting peripherals onboard, like the Configurable Logic Cell (CLC), the Numerically Controlled Oscillator (NCO) Module and the...

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13 Jun

New Site

I'm playing with a new flat-file CMS called Grav, and building a new site with it. I've had my fill of the giant database-driven CMSs like Joomla and WordPress. They're good for what they're good for, but for my dinky little site they're just massive bloatware overkill. I'm looking for...

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In a recent Ebay China toy order I grabbed four HY-SRF05 ultrasonic rangefinder sensors to play with. Can't beat the price at $1.89 USD each with free shipping. They'd be dirt cheap at twice that price.

Here I'm controlling the SRF05 with a PIC18F2680 and displaying the results on my "Predko"...

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Ever since I was a youngster I've always wanted an oscilloscope. I didn't know much about them, but I knew that every electronics lab has them and they looked like they must be a good thing to have. Several months ago I finally broke down and decided to go oscilloscope shopping. I ended up with...

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So I wanted to buy a Macetech ChronoDot but they were constantly out of stock. So I drew up something similar and had some boards made. They work great.

Mine uses a CR2032 cell rather than the smaller CR1632 that the ChronoDot uses. I use the bigger cell because I get my battery holders off old...

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