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AVR Programming Guides
We have some nice AVR code samples to share. Lots of AVR goodies like timers, interrupts, and pin I/O for the beginner. |
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Watts Tables
Use these tables to help you determine how much various items in your house cost you by the day, month, and year. |
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Saving Electricity
A list of a variety of ways to help you save money by learning how much it costs to run things. |
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Read Your Power Meter
By reading your power meter you can get a good idea of how much various electrical devices cost you. |
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Intro to Capacitors Page 4
Real Life Example
Lets use a real life circuit board to see if you can pick out the bulk capacitors and the decoupling capacitors. Use these rules to help you out.
- Bulk capacitors are generally close to the power connector or battery.
- Bulk capacitors are generally round and large (like the polarized examples at the beginning of this guide). Blue is a popular color.
- Decoupling capacitors are usually right up next to the device they are protecting.
- There will be as many decoupling capacitors as there are sensitive devices on the board.
- Decoupling capacitors are usually yellow (but not always).
We have marked the power connecter in red, and drawn a red square around 3 of the sensitive devices on this board.
Try to find the bulk capacitors and the decoupling capacitors.
Don't cheat. Try to find them on your own. You should find 2 bulk capacitors and 9 decoupling capacitors. When you are done studying the board and think you have identified them, go to the next page.
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