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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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What Is A Circuit Page 2
Open Circuit
If you do not have an closed circuit, then you have an open circuit. Lets look at some open circuits.
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Open Circuit Example 1: missing top wire.
In Example 1 we have left off the top wire. This is an open circuit. Notice that the light bulb is off. Without a complete circuit, the light bulb will not be lit. In this example the light bulb is said to be missing voltage, because ground is hooked up but the wire providing +9 volts is not.
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Open Circuit Example 2: missing bottom wire.
In Example 2 we have left off the bottom wire. This is also an open circuit and the light bulb is off. In this example, the light bulb is said to be missing ground because the light bulb has +9 volts but doesn't have a ground connection.
Note that these are still circuits, they just happen to be open circuits.
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