2015 was a busy year. The project that I had the most fun with was a bit off the beaten path compared to what I normally do. This started off as a fun project for a friend. It started off with, \”I have this LEGO project I need to put LEDs in, can you help me?\” Sure…Continue reading
Gotcha with the TI TCA6408A
The TI TCA6408A is a wonderful little chip when you need a few more I/O. It\’s simple to program and use… so why did pressing the button attached to one of the pins cause the chip to reset? Read on to find out.
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These are not the bits you\’re looking for
I\’ve noticed recently that the number of bits available in an ADC is slowly creeping up. That makes me excited… until I look at the system accuracy. Continue reading
ATX Power Supply Breakout Board
How many of you have or know of someone who has an old computer just sitting in the closet gathering dust. How many of you would like to have a multiple output bench power supply? Do you need an extra +12V DC power supply for your CB, ham shack or office? What we have here is a 4\” x 6.3\” PCB that has all the standard connectors needed to take the output connectors from an ATX power supply and give you easy access to them.Continue reading
The Dirty Truth about USB device Charging
How many devices do you have that charge over USB? How many devices require you to do something special, or have a special adapter to do it?
The last few cell phones I\’ve had have USB micro or mini ports to charge from. I figure I can take a USB A Male to USB micro/mini Male cable and just plug it into a USB port and get power… except that doesn\’t work some times. Then there are the Apple devices. You\’ve got your iPods, iPhones and iPads. They do their own thing as well. What\’s a geek to do?Continue reading